MEDIUM 6.5 NVD
CVE-2026-102981
Plane is an open-source project management tool. Prior to 1.4.0, self-hosted Plane deployments allow unauthenticated GET requests to api/workspaces/{slug}/invit
Plane is an open-source project management tool. Prior to 1.4.0, self-hosted Plane deployments allow unauthenticated GET requests to api/workspaces/{slug}/invitations/{pk}/join/ through WorkspaceJoinEndpoint, whose WorkSpaceMemberInviteSerializer exposes the secret invitation token directly and through get_invite_link. An external attacker can retrieve a token intended for another user and submit it to the invitation acceptance flow, joining the workspace without receiving the invitation and gaining the role assigned to the invite. This issue is fixed in version 1.4.0.
References
- https://github.com/makeplane/plane/commit/6220ba990b2276a1a1979d1d5df68f650b8b47ad
- https://github.com/makeplane/plane/pull/9297
- https://github.com/makeplane/plane/releases/tag/v1.4.0
- https://github.com/makeplane/plane/security/advisories/GHSA-gf48-p6jp-cwc4
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-10-13 via NVD.
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