CVE-2026-104961

Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access

5.4 Medium

Plane is an open-source project management tool. Prior to 1.4.0, WorkspaceOwnerPermission does not require is_active=True when checking whether a user is a workspace owner. A deactivated user can therefore remain authorized as the workspace owner and retain owner-level access. This issue is fixed in 1.4.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.18%Unchanged since Oct 6, 2026

What each source reports

CVE List Score used 5.4

Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access

Record: CVE-2026-104961
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-863
Updated: 2026-11-02

EUVDEUVD-2026-92482 5.4

Record: EUVD-2026-92482
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

NVD 5.4

Record: CVE-2026-104961
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-863
Updated: 2026-11-02

OSV 5.4

Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access

Record: CVE-2026-104961
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-863
Updated: 2026-11-02

Affected products

makeplane plane

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-104961 is a medium vulnerability (CVSS 5.4) in Makeplane Plane, published October 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.