{"id":"CVE-2026-33159","state":"PUBLISHED","title":"Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users","description":"Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. This issue has been patched in versions 4.17.8 and 5.9.14.","publishedAt":"2026-03-24T17:28:37.422Z","updatedAt":"2026-03-24T17:57:50.529Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["craftcms cms"],"affected":[{"vendor":"craftcms","product":"cms","versions":[{"version":">= 4.0.0-RC1, < 4.17.8","status":"affected"},{"version":">= 5.0.0-RC1, < 5.9.14","status":"affected"}]}],"references":["https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w","https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592","https://github.com/craftcms/cms/releases/tag/4.17.8","https://github.com/craftcms/cms/releases/tag/5.9.14"],"weaknesses":["CWE-306","CWE-862"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33159.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33159","state":"PUBLISHED","datePublished":"2026-03-24T17:28:37.422Z","dateUpdated":"2026-03-24T17:57:50.529Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-17T21:17:08.887Z"},"containers":{"cna":{"title":"Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users","descriptions":[{"lang":"en","value":"Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. This issue has been patched in versions 4.17.8 and 5.9.14."}],"affected":[{"vendor":"craftcms","product":"cms","versions":[{"version":">= 4.0.0-RC1, < 4.17.8","status":"affected"},{"version":">= 5.0.0-RC1, < 5.9.14","status":"affected"}]}],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w","name":"https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592","name":"https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592","tags":["x_refsource_MISC"]},{"url":"https://github.com/craftcms/cms/releases/tag/4.17.8","name":"https://github.com/craftcms/cms/releases/tag/4.17.8","tags":["x_refsource_MISC"]},{"url":"https://github.com/craftcms/cms/releases/tag/5.9.14","name":"https://github.com/craftcms/cms/releases/tag/5.9.14","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-24T17:28:37.422Z"},"source":{"advisory":"GHSA-6mrr-q3pj-h53w","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-24T17:57:07.569945Z","id":"CVE-2026-33159","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-24T17:57:50.529Z"}}]}}}