{"id":"CVE-2026-102985","state":"PUBLISHED","title":"Plane: Any project member can modify (deactivate) other members' records","description":"Plane is an open-source project management tool. In 1.3.1 and earlier, ProjectMemberViewSet.partial_update places its authorization checks inside the role update branch, so a guest or member can omit role and change another ProjectMember record's is_active field, including deactivating a project administrator. ProjectMemberPreferenceEndpoint.patch separately trusts the member_id path value and lets a project member overwrite another member's preferences. These missing object-level authorization checks permit membership disruption and cross-member preference tampering. The vulnerability is fixed in 1.4.0.","publishedAt":"2026-10-14T19:31:13.476Z","updatedAt":"2026-10-20T02:05:06.225Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["makeplane plane"],"affected":[{"vendor":"makeplane","product":"plane","versions":[{"version":"< 1.4.0","status":"affected"}]}],"references":["https://github.com/makeplane/plane/security/advisories/GHSA-25gg-cxm8-g7h9","https://github.com/makeplane/plane/pull/9367","https://github.com/makeplane/plane/commit/dc9d80b2d2a499b967f0b541e083b283f463719f","https://github.com/makeplane/plane/releases/tag/v1.4.0"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102985.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102985","state":"PUBLISHED","datePublished":"2026-10-14T19:31:13.476Z","dateUpdated":"2026-10-20T02:05:06.225Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-29T20:46:08.334Z"},"containers":{"cna":{"title":"Plane: Any project member can modify (deactivate) other members' records","descriptions":[{"lang":"en","value":"Plane is an open-source project management tool. In 1.3.1 and earlier, ProjectMemberViewSet.partial_update places its authorization checks inside the role update branch, so a guest or member can omit role and change another ProjectMember record's is_active field, including deactivating a project administrator. ProjectMemberPreferenceEndpoint.patch separately trusts the member_id path value and lets a project member overwrite another member's preferences. These missing object-level authorization checks permit membership disruption and cross-member preference tampering. The vulnerability is fixed in 1.4.0."}],"affected":[{"vendor":"makeplane","product":"plane","versions":[{"version":"< 1.4.0","status":"affected"}]}],"references":[{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-25gg-cxm8-g7h9","name":"https://github.com/makeplane/plane/security/advisories/GHSA-25gg-cxm8-g7h9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/makeplane/plane/pull/9367","name":"https://github.com/makeplane/plane/pull/9367","tags":["x_refsource_MISC"]},{"url":"https://github.com/makeplane/plane/commit/dc9d80b2d2a499b967f0b541e083b283f463719f","name":"https://github.com/makeplane/plane/commit/dc9d80b2d2a499b967f0b541e083b283f463719f","tags":["x_refsource_MISC"]},{"url":"https://github.com/makeplane/plane/releases/tag/v1.4.0","name":"https://github.com/makeplane/plane/releases/tag/v1.4.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","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":"2026-10-14T19:31:13.476Z"},"source":{"advisory":"GHSA-25gg-cxm8-g7h9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-25gg-cxm8-g7h9","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T02:04:42.986238Z","id":"CVE-2026-102985","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T02:05:06.225Z"}}]}}}