What is CVE-2026-33954?

CVE-2026-33954 is a medium-severity vulnerability in Kovah Linkace, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-03-27.

How severe is CVE-2026-33954?

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

Auth bypass in Kovah Linkace

CVE-2026-33954

LinkAce is a self-hosted archive to collect website links. In versions prior to 2.5.3, a private note attached to a non-private link can be disclosed to a different authenticated user via the web interface. The API appears to correctly enf…

EPSS: 0.000 (14.0th percentile) — read the EPSS interpretation.

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:H/I:N/A:N.

Affected products

Kovah Linkace — versions < 2.5.3

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

https://github.com/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8q (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33954?: CVE-2026-33954 is a medium-severity vulnerability in Kovah Linkace, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-03-27.
How severe is CVE-2026-33954?: Medium severity. CVSS v3 base score is 6.5 out of 10.