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}/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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

13 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 16:17

Updated : 2026-10-16 23:16

NVD link : CVE-2026-102981

Mitre link : CVE-2026-102981

CVE.ORG link : CVE-2026-102981

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-639

Authorization Bypass Through User-Controlled Key

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