What is CVE-2026-40349?

CVE-2026-40349 is a high-severity vulnerability in Leepeuker Movary, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-04-18.

How severe is CVE-2026-40349?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Leepeuker Movary

CVE-2026-40349

Movary is a self hosted web app to track and rate a user's watched movies. Prior to version 0.71.1, an ordinary authenticated user can escalate their own account to administrator by sending `isAdmin=true` to `PUT /settings/users/{userId}`…

Vulnerability class: Broken Access Control

EPSS: 0.000 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Leepeuker Movary — versions < 0.71.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/leepeuker/movary/security/advisories/GHSA-mcfq-8rx7-w25v (x_refsource_CONFIRM)
https://github.com/leepeuker/movary/pull/750 (x_refsource_MISC)
https://github.com/leepeuker/movary/commit/12c8a090051b1a1c07a3aa48922f3bc9ffe44c8b (x_refsource_MISC)
https://github.com/leepeuker/movary/releases/tag/0.71.1 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40349?: CVE-2026-40349 is a high-severity vulnerability in Leepeuker Movary, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-04-18.
How severe is CVE-2026-40349?: High severity. CVSS v3 base score is 8.8 out of 10.