What is CVE-2026-102985?

CVE-2026-102985 is a medium-severity vulnerability in Makeplane Plane, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-14.

How severe is CVE-2026-102985?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Makeplane Plane

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 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.

Vulnerability class: Broken Access Control

Published 2026-10-14 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Makeplane Plane — versions < 1.4.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-102985?: CVE-2026-102985 is a medium-severity vulnerability in Makeplane Plane, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-14.
How severe is CVE-2026-102985?: Medium severity. CVSS v3 base score is 6.5 out of 10.