{"items":[{"id":"NVI-00002644","kind":"vulnerability","title":"Kirby is missing permission checks in the content changes API","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-4j78-4xrm-cr2f","CVE-2026-21896"],"plain_summary":"OSV carries this publisher advisory for 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 5.2.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"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-17080d8ecf591975ad8c09ef0299834c"],"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":"2026-06-17T10:19:06.563Z","value":"5.7 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5ed86348cddda31ed17139996fd646f7"},{"kind":"CVSS","as_of":"2026-06-17T10:19:06.563Z","value":"5.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5ed86348cddda31ed17139996fd646f7"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.230%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13913. Missing scores are unknown.","source_id":"sr-17080d8ecf591975ad8c09ef0299834c"}],"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-2111dfac6ab0d4b7462ff7ffbcfe49f4","url":"https://github.com/advisories/GHSA-4j78-4xrm-cr2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4j78-4xrm-cr2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.670Z"},{"id":"sr-5ed86348cddda31ed17139996fd646f7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21896","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-21896","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:47.597Z"},{"id":"sr-17080d8ecf591975ad8c09ef0299834c","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-2026-21896","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.780Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites where user permissions are configured to prevent specific role(s) from performing write actions, specifically by disabling the `update` permission with the intent to prevent modifications to site content.\n\nIf developers haven't configured any user permissions that deviate from the default of allowing all actions, their site is *not* affected.\n\n----\n\n### Introduction\n\nKirby allows to restrict the permissions of specific user roles. Users of that role can only perform permitted actions.\n\nPermissions for updating content have already existed and could be configured for each model type, but were not enforced by Kirby's API backend code during operations to the changes version.\n\nThe changes version is the content version that contains unsaved changes of existing models (pages, users, files or the site).\n\n### Impact\n\nThe missing permission checks allowed attackers with Panel access to create or discard a changes version or update the content fields in an existing changes version. All of these actions could affect arbitrary models.\n\nThis could cause the following impact:\n\n- Attackers could maliciously create changes versions for all mo","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.2.2"]}],"null_published_at":"2026-11-07T14:01:55.371Z","source_updated_at":"2026-02-03T03:16:05.615Z","source_disclosed_at":"2026-01-08T20:32:05.000Z","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":"2026-10-31T21:41:49.670Z"},{"id":"NVI-00002644","kind":"vulnerability","title":"Kirby is missing permission checks in the content changes API","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-4j78-4xrm-cr2f","CVE-2026-21896"],"plain_summary":"OSV carries this publisher advisory for 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 5.2.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"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-375915b1f8b24e68f01f819490dfb74a"],"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":"2026-06-17T10:19:06.563Z","value":"5.7 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5ed86348cddda31ed17139996fd646f7"},{"kind":"CVSS","as_of":"2026-06-17T10:19:06.563Z","value":"5.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5ed86348cddda31ed17139996fd646f7"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.230%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13885. Missing scores are unknown.","source_id":"sr-375915b1f8b24e68f01f819490dfb74a"}],"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-2111dfac6ab0d4b7462ff7ffbcfe49f4","url":"https://github.com/advisories/GHSA-4j78-4xrm-cr2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4j78-4xrm-cr2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.670Z"},{"id":"sr-5ed86348cddda31ed17139996fd646f7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21896","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-21896","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:47.597Z"},{"id":"sr-375915b1f8b24e68f01f819490dfb74a","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-2026-21896","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites where user permissions are configured to prevent specific role(s) from performing write actions, specifically by disabling the `update` permission with the intent to prevent modifications to site content.\n\nIf developers haven't configured any user permissions that deviate from the default of allowing all actions, their site is *not* affected.\n\n----\n\n### Introduction\n\nKirby allows to restrict the permissions of specific user roles. Users of that role can only perform permitted actions.\n\nPermissions for updating content have already existed and could be configured for each model type, but were not enforced by Kirby's API backend code during operations to the changes version.\n\nThe changes version is the content version that contains unsaved changes of existing models (pages, users, files or the site).\n\n### Impact\n\nThe missing permission checks allowed attackers with Panel access to create or discard a changes version or update the content fields in an existing changes version. All of these actions could affect arbitrary models.\n\nThis could cause the following impact:\n\n- Attackers could maliciously create changes versions for all mo","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.2.2"]}],"null_published_at":"2026-11-02T20:21:10.276Z","source_updated_at":"2026-02-03T03:16:05.615Z","source_disclosed_at":"2026-01-08T20:32:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.670Z"},{"id":"NVI-00002644","kind":"vulnerability","title":"Kirby is missing permission checks in the content changes API","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4j78-4xrm-cr2f","CVE-2026-21896"],"plain_summary":"OSV carries this publisher advisory for 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 5.2.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"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-375915b1f8b24e68f01f819490dfb74a"],"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":"0.230%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13885. Missing scores are unknown.","source_id":"sr-375915b1f8b24e68f01f819490dfb74a"}],"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-2111dfac6ab0d4b7462ff7ffbcfe49f4","url":"https://github.com/advisories/GHSA-4j78-4xrm-cr2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4j78-4xrm-cr2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.670Z"},{"id":"sr-375915b1f8b24e68f01f819490dfb74a","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-2026-21896","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites where user permissions are configured to prevent specific role(s) from performing write actions, specifically by disabling the `update` permission with the intent to prevent modifications to site content.\n\nIf developers haven't configured any user permissions that deviate from the default of allowing all actions, their site is *not* affected.\n\n----\n\n### Introduction\n\nKirby allows to restrict the permissions of specific user roles. Users of that role can only perform permitted actions.\n\nPermissions for updating content have already existed and could be configured for each model type, but were not enforced by Kirby's API backend code during operations to the changes version.\n\nThe changes version is the content version that contains unsaved changes of existing models (pages, users, files or the site).\n\n### Impact\n\nThe missing permission checks allowed attackers with Panel access to create or discard a changes version or update the content fields in an existing changes version. All of these actions could affect arbitrary models.\n\nThis could cause the following impact:\n\n- Attackers could maliciously create changes versions for all mo","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.2.2"]}],"null_published_at":"2026-10-31T22:27:15.290Z","source_updated_at":"2026-02-03T03:16:05.615Z","source_disclosed_at":"2026-01-08T20:32:05.000Z","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":"2026-10-31T21:41:49.670Z"},{"id":"NVI-00002644","kind":"vulnerability","title":"Kirby is missing permission checks in the content changes API","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4j78-4xrm-cr2f","CVE-2026-21896"],"plain_summary":"OSV carries this publisher advisory for 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 5.2.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"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-2111dfac6ab0d4b7462ff7ffbcfe49f4","url":"https://github.com/advisories/GHSA-4j78-4xrm-cr2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4j78-4xrm-cr2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.670Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2111dfac6ab0d4b7462ff7ffbcfe49f4"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites where user permissions are configured to prevent specific role(s) from performing write actions, specifically by disabling the `update` permission with the intent to prevent modifications to site content.\n\nIf developers haven't configured any user permissions that deviate from the default of allowing all actions, their site is *not* affected.\n\n----\n\n### Introduction\n\nKirby allows to restrict the permissions of specific user roles. Users of that role can only perform permitted actions.\n\nPermissions for updating content have already existed and could be configured for each model type, but were not enforced by Kirby's API backend code during operations to the changes version.\n\nThe changes version is the content version that contains unsaved changes of existing models (pages, users, files or the site).\n\n### Impact\n\nThe missing permission checks allowed attackers with Panel access to create or discard a changes version or update the content fields in an existing changes version. All of these actions could affect arbitrary models.\n\nThis could cause the following impact:\n\n- Attackers could maliciously create changes versions for all mo","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.2.2"]}],"null_published_at":"2026-10-31T22:00:33.898Z","source_updated_at":"2026-02-03T03:16:05.615Z","source_disclosed_at":"2026-01-08T20:32:05.000Z","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":"2026-10-31T21:41:49.670Z"}],"next_cursor":null,"snapshot_revision":"42594"}