{"items":[{"id":"NVI-00003329","kind":"vulnerability","title":"Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling","revision":4,"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-9vx2-j98c-p72w","CVE-2026-75594"],"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-6959e81fcf217bfc0b3d4050f87d171d"],"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 4.9.5 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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 5.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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":"2026-09-08T21:11:31.703Z","value":"8.2 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-32e09e4f859d545f7dae2e3df0252e20"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.762%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.55353. Missing scores are unknown.","source_id":"sr-6959e81fcf217bfc0b3d4050f87d171d"}],"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-653e182449db5b5821113c97590d1f5d","url":"https://github.com/advisories/GHSA-9vx2-j98c-p72w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9vx2-j98c-p72w","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:58.521Z"},{"id":"sr-3ab6ba6e1364edd916d9709d5d8eb007","url":"https://github.com/advisories/GHSA-9vx2-j98c-p72w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9vx2-j98c-p72w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-32e09e4f859d545f7dae2e3df0252e20","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75594","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-75594","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"},{"id":"sr-6959e81fcf217bfc0b3d4050f87d171d","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-2026-75594","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-653e182449db5b5821113c97590d1f5d"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["<= 4.9.4"]},{"certainty":"source_listed","source_ids":["sr-653e182449db5b5821113c97590d1f5d"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":[">= 5.0.0, < 5.5.2"]},{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.5"]},{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.5.2"]}],"null_published_at":"2026-11-03T10:03:31.363Z","source_updated_at":"2026-08-31T22:12:45.000Z","source_disclosed_at":"2026-08-31T22:12:45.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00003329","kind":"vulnerability","title":"Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling","revision":3,"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-9vx2-j98c-p72w","CVE-2026-75594"],"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 4.9.5 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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 5.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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-6959e81fcf217bfc0b3d4050f87d171d"],"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":"CVSS","as_of":"2026-09-08T21:11:31.703Z","value":"8.2 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-32e09e4f859d545f7dae2e3df0252e20"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.762%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.55353. Missing scores are unknown.","source_id":"sr-6959e81fcf217bfc0b3d4050f87d171d"}],"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-3ab6ba6e1364edd916d9709d5d8eb007","url":"https://github.com/advisories/GHSA-9vx2-j98c-p72w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9vx2-j98c-p72w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-32e09e4f859d545f7dae2e3df0252e20","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75594","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-75594","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"},{"id":"sr-6959e81fcf217bfc0b3d4050f87d171d","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-2026-75594","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.5"]},{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.5.2"]}],"null_published_at":"2026-11-01T14:34:07.618Z","source_updated_at":"2026-08-31T22:40:38.012Z","source_disclosed_at":"2026-08-31T22:12:45.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00003329","kind":"vulnerability","title":"Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9vx2-j98c-p72w","CVE-2026-75594"],"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 4.9.5 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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 5.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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-6959e81fcf217bfc0b3d4050f87d171d"],"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":"0.762%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.55353. Missing scores are unknown.","source_id":"sr-6959e81fcf217bfc0b3d4050f87d171d"}],"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-3ab6ba6e1364edd916d9709d5d8eb007","url":"https://github.com/advisories/GHSA-9vx2-j98c-p72w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9vx2-j98c-p72w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-6959e81fcf217bfc0b3d4050f87d171d","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-2026-75594","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.5"]},{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.5.2"]}],"null_published_at":"2026-11-01T01:45:40.745Z","source_updated_at":"2026-08-31T22:40:38.012Z","source_disclosed_at":"2026-08-31T22:12:45.000Z","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":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00003329","kind":"vulnerability","title":"Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9vx2-j98c-p72w","CVE-2026-75594"],"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 4.9.5 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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 5.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"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-3ab6ba6e1364edd916d9709d5d8eb007","url":"https://github.com/advisories/GHSA-9vx2-j98c-p72w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9vx2-j98c-p72w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.9.5"]},{"certainty":"source_listed","source_ids":["sr-3ab6ba6e1364edd916d9709d5d8eb007"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that are deployed to a server that allows requests for URLs with encoded slashes (`%2f`), such as nginx, PHP's built-in server or Apache setups that have the option `AllowEncodedSlashes` enabled.\n \nIt was possible to create and access thumbnails from media files in arbitrary accessible directories on the server that have a valid thumbnail configuration (JSON job file). It was also possible to detect the presence of files with the `.json` file extension anywhere on the server.\n \n**This vulnerability is of high severity for affected sites.**\n \nServer setups using Apache's default configuration or other servers that have been hardened against encoded slashes in URLs are *not* affected.\n\n----\n\n### Introduction\n\nA path traversal (also known as directory traversal) vulnerability occurs when untrusted input is used to build a filesystem path without properly confining the result to an intended base directory. By injecting sequences such as `../`, an attacker can escape that directory and reach files elsewhere on the server.\n\n### Affected components\n\nKirby's media handler processes requests for files in the `media` directory that have n","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.5.2"]}],"null_published_at":"2026-10-31T22:12:48.012Z","source_updated_at":"2026-08-31T22:40:38.012Z","source_disclosed_at":"2026-08-31T22:12:45.000Z","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":"2026-10-31T21:42:10.691Z"}],"next_cursor":null,"snapshot_revision":"42594"}