What is CVE-2026-104974?

CVE-2026-104974 is a high-severity vulnerability in Makeplane Plane, classified under Improper Access Control. CVSS score: 8.1/10. Published 2026-10-05.

How severe is CVE-2026-104974?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Makeplane Plane

CVE-2026-104974

Plane is an open-source project management tool. Prior to 1.4.0, a user whose account has been deactivated by setting is_active=False can still log in with existing credentials. Successful authentication silently changes is_active back to True, reactivating the account without notifying the administrator. This issue is fixed in 1.4.0.

Published 2026-10-05 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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-284 — Improper Access Control

References

Frequently asked questions

What is CVE-2026-104974?: CVE-2026-104974 is a high-severity vulnerability in Makeplane Plane, classified under Improper Access Control. CVSS score: 8.1/10. Published 2026-10-05.
How severe is CVE-2026-104974?: High severity. CVSS v3 base score is 8.1 out of 10.