{"items":[{"id":"NVI-00005414","kind":"vulnerability","title":"Kirby: Request header injection in `Http\\Remote`","revision":7,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-4v4h-m2qq-ppgw","CVE-2026-50188"],"plain_summary":"GitHub lists this reviewed advisory for getkirby/cms, getkirby/cms. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-030f8df738c9a3e48d28d32585873433"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.9.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-25T17:10:00.197Z","value":"6.9 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-c03e2da39d1e5d62baa517a9193fe8e3"},{"kind":"EPSS","as_of":"2026-11-06T12:00:23.000Z","value":"0.443%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38691. Missing scores are unknown.","source_id":"sr-030f8df738c9a3e48d28d32585873433"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4a95e0b4feb63ac06495ef5b88c8350f","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T07:20:10.578Z"},{"id":"sr-8e92bf58daf5362f3ff74c6936ad4360","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-c03e2da39d1e5d62baa517a9193fe8e3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50188","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-50188","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:22.913Z"},{"id":"sr-030f8df738c9a3e48d28d32585873433","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-50188","publisher":"FIRST EPSS","observed_at":"2026-11-07T00:50:47.037Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4a95e0b4feb63ac06495ef5b88c8350f"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["<= 4.9.3"]},{"certainty":"source_listed","source_ids":["sr-4a95e0b4feb63ac06495ef5b88c8350f"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":[">= 5.0.0-alpha.1, <= 5.4.3"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha.1; fixed 5.4.4"]}],"null_published_at":"2026-11-07T22:29:26.087Z","source_updated_at":"2026-06-18T15:04:47.000Z","source_disclosed_at":"2026-06-18T15:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00005414","kind":"vulnerability","title":"Kirby: Request header injection in `Http\\Remote`","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v4h-m2qq-ppgw","CVE-2026-50188"],"plain_summary":"GitHub lists this reviewed advisory for getkirby/cms, getkirby/cms. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0448aefea4020fbb7898509b5bdca07c"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.9.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.443%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.3867. Missing scores are unknown.","source_id":"sr-0448aefea4020fbb7898509b5bdca07c"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4a95e0b4feb63ac06495ef5b88c8350f","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T07:20:10.578Z"},{"id":"sr-8e92bf58daf5362f3ff74c6936ad4360","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-0448aefea4020fbb7898509b5bdca07c","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-50188","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.379Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4a95e0b4feb63ac06495ef5b88c8350f"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["<= 4.9.3"]},{"certainty":"source_listed","source_ids":["sr-4a95e0b4feb63ac06495ef5b88c8350f"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":[">= 5.0.0-alpha.1, <= 5.4.3"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha.1; fixed 5.4.4"]}],"null_published_at":"2026-11-07T07:07:42.547Z","source_updated_at":"2026-06-18T15:04:47.000Z","source_disclosed_at":"2026-06-18T15:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00005414","kind":"vulnerability","title":"Kirby: Request header injection in `Http\\Remote`","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v4h-m2qq-ppgw","CVE-2026-50188"],"plain_summary":"OSV carries this publisher advisory for getkirby/cms, getkirby/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.9.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-029332f778b153b2243d7bd542927cd3"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.443%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38649. Missing scores are unknown.","source_id":"sr-029332f778b153b2243d7bd542927cd3"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8e92bf58daf5362f3ff74c6936ad4360","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-029332f778b153b2243d7bd542927cd3","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-50188","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.330Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha.1; fixed 5.4.4"]}],"null_published_at":"2026-11-06T07:24:11.237Z","source_updated_at":"2026-09-10T03:50:48.186Z","source_disclosed_at":"2026-06-18T15:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00005414","kind":"vulnerability","title":"Kirby: Request header injection in `Http\\Remote`","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v4h-m2qq-ppgw","CVE-2026-50188"],"plain_summary":"OSV carries this publisher advisory for getkirby/cms, getkirby/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.9.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8c4dc439792e4cbbd5d85352e607fe18"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.443%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38529. Missing scores are unknown.","source_id":"sr-8c4dc439792e4cbbd5d85352e607fe18"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8e92bf58daf5362f3ff74c6936ad4360","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-8c4dc439792e4cbbd5d85352e607fe18","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-50188","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.382Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha.1; fixed 5.4.4"]}],"null_published_at":"2026-11-03T02:33:09.135Z","source_updated_at":"2026-09-10T03:50:48.186Z","source_disclosed_at":"2026-06-18T15:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00005414","kind":"vulnerability","title":"Kirby: Request header injection in `Http\\Remote`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v4h-m2qq-ppgw","CVE-2026-50188"],"plain_summary":"OSV carries this publisher advisory for getkirby/cms, getkirby/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.9.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.4.4 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8e92bf58daf5362f3ff74c6936ad4360","url":"https://github.com/advisories/GHSA-4v4h-m2qq-ppgw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v4h-m2qq-ppgw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-8e92bf58daf5362f3ff74c6936ad4360"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects Kirby sites and plugins that use the `Kirby\\Http\\Remote` class (including `Remote::request()`, `Remote::get()`, `Remote::post()`, and similar helpers) to send outgoing HTTP requests and that pass untrusted, user-controlled data into the `headers` option of such a request.\n\nBy including newline characters in the value of the header, it was possible to inject a separate, independent header that was not intended to be set.\n\nA successful attack requires that an application or plugin forwards attacker-influenced input into a request header value. Sites that only send static, developer-defined headers are *not* affected. The attack does not target Panel users or site visitors directly; it targets the remote service that Kirby connects to.\n\nIn Kirby's default configuration, the `Remote` class is not exposed to untrusted input, so a default installation is *not* affected. The vulnerability becomes relevant for custom code, plugins, or integrations that build request headers from user input.\n\n----\n\n### Introduction\n\nHTTP header injection (also known as CRLF injection) is a type of vulnerability that allows an attacker to insert additional, attacker-cont","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha.1; fixed 5.4.4"]}],"null_published_at":"2026-10-31T22:13:01.464Z","source_updated_at":"2026-09-10T03:50:48.186Z","source_disclosed_at":"2026-06-18T15:04:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:49.673Z"}],"next_cursor":null,"snapshot_revision":"42594"}