What is CVE-2026-30954?

CVE-2026-30954 is a medium-severity vulnerability in Kovah Linkace, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-03-10.

How severe is CVE-2026-30954?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Kovah Linkace

CVE-2026-30954

LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing inte…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Kovah Linkace — versions <= 2.1.0
Linkace

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-30954?: CVE-2026-30954 is a medium-severity vulnerability in Kovah Linkace, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-03-10.
How severe is CVE-2026-30954?: Medium severity. CVSS v3 base score is 4.3 out of 10.