{"id":"CVE-2026-67527","state":"PUBLISHED","title":"OpenProject: Improper Access Control through /api/v3/work_packages/<X.id> via PATCH parameter \"fileLinks\"","description":"OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/work_packages/{id} accepted _links.fileLinks and allowed authenticated users with edit_work_packages but without manage_file_links to resolve Storages::FileLink records by raw id, detach or hard-delete existing FileLinks, and re-parent FileLinks from other projects to an attacker-controlled work package, exposing origin filename, origin id, and MIME type metadata. This issue is fixed in 17.6.0.","publishedAt":"2026-07-30T19:19:25.028Z","updatedAt":"2026-07-31T15:59:12.286Z","severity":{"score":7.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["opf openproject"],"affected":[{"vendor":"opf","product":"openproject","versions":[{"version":"< 17.6.0","status":"affected"}]}],"references":["https://github.com/opf/openproject/security/advisories/GHSA-c6rc-4288-8p4f","https://github.com/opf/openproject/pull/23815","https://github.com/opf/openproject/commit/db480bdeb8802e3d33e4448bb4e4b56a01de2e1f","https://github.com/opf/openproject/releases/tag/v17.6.0"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/67xxx/CVE-2026-67527.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67527","state":"PUBLISHED","datePublished":"2026-07-30T19:19:25.028Z","dateUpdated":"2026-07-31T15:59:12.286Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-29T18:47:17.073Z"},"containers":{"cna":{"title":"OpenProject: Improper Access Control through /api/v3/work_packages/<X.id> via PATCH parameter \"fileLinks\"","descriptions":[{"lang":"en","value":"OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/work_packages/{id} accepted _links.fileLinks and allowed authenticated users with edit_work_packages but without manage_file_links to resolve Storages::FileLink records by raw id, detach or hard-delete existing FileLinks, and re-parent FileLinks from other projects to an attacker-controlled work package, exposing origin filename, origin id, and MIME type metadata. This issue is fixed in 17.6.0."}],"affected":[{"vendor":"opf","product":"openproject","versions":[{"version":"< 17.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/opf/openproject/security/advisories/GHSA-c6rc-4288-8p4f","name":"https://github.com/opf/openproject/security/advisories/GHSA-c6rc-4288-8p4f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/opf/openproject/pull/23815","name":"https://github.com/opf/openproject/pull/23815","tags":["x_refsource_MISC"]},{"url":"https://github.com/opf/openproject/commit/db480bdeb8802e3d33e4448bb4e4b56a01de2e1f","name":"https://github.com/opf/openproject/commit/db480bdeb8802e3d33e4448bb4e4b56a01de2e1f","tags":["x_refsource_MISC"]},{"url":"https://github.com/opf/openproject/releases/tag/v17.6.0","name":"https://github.com/opf/openproject/releases/tag/v17.6.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-30T19:19:25.028Z"},"source":{"advisory":"GHSA-c6rc-4288-8p4f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T15:45:55.982320Z","id":"CVE-2026-67527","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T15:59:12.286Z"}}]}}}