CVE-2026-54840

HIGHCVSS 7.3/10

Last modified

CVE-2026-54840 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Unauthenticated Broken Access Control in Newsletters <= 4.13 versions..

Description

Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.

Metrics

CVSS 3.1
7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-54840?
Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.
How severe is CVE-2026-54840?
CVE-2026-54840 has a CVSS score of 7.3/10 (HIGH severity).
How do I fix CVE-2026-54840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-54840?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST