MEDIUM 6.5 NVD
CVE-2026-102985
Plane is an open-source project management tool. In 1.3.1 and earlier, ProjectMemberViewSet.partial_update places its authorization checks inside the role updat
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.
References
- https://github.com/makeplane/plane/commit/dc9d80b2d2a499b967f0b541e083b283f463719f
- https://github.com/makeplane/plane/pull/9367
- https://github.com/makeplane/plane/releases/tag/v1.4.0
- https://github.com/makeplane/plane/security/advisories/GHSA-25gg-cxm8-g7h9
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-10-14 via NVD.
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