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  4. CVE 2026 104961 plane workspaceownerpermission missing isactive
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Back to active CVEs
Medium · CVSS 5.4CVE-2026-104961

Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner accessCVE-2026-104961

Answer in brief

CVE-2026-104961 records a Medium severity (CVSS 5.4) vulnerability in Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access. The current sources do not mark it as known exploited. The current feed maps makeplane/plane (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 5, 2026Updated Oct 5, 2026Source checked Oct 5, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps makeplane/plane (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
makeplane/planegeneric<1.4.01.4.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for makeplane/plane.
  2. 2Review the reported fix. Update makeplane/plane to 1.4.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 5, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Plane: Plaintext logging of API tokenSame makeplane/plane package
  • Plane: Improper validation allows arbitrary modification of API token rate limitsSame makeplane/plane package
  • Plane: Cross-Tenant Module Issue Linking via IDORSame makeplane/plane package
  • Plane: Project Member can escalate Project Guest to Member via PATCH /project-members/{pk} (BAC / Privilege Escalation)Same makeplane/plane package
  • Plane: Unauthenticated ORM field-name injection via `group_by`/`sub_group_by` on public deploy boards (DoS + blind oracle)Same makeplane/plane package
  • Plane: Authorization bypass in workspace-scoped asset download endpoint exposes secret project file assets to non-project workspace usersSame makeplane/plane package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Oct 5, 2026
References
4 linked sources
Open source record