CVE-2026-30954

LinkAce has a Cross-User Tag/List Attachment IDOR in processTaxonomy()

CVSS 5.3 MEDIUMEPSS 0.2%CWE-639

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

10 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 integer IDs.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected products

Kovah · LinkAce

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References

https://github.com/Kovah/LinkAce/security/advisories/GHSA-vc99-cgj6-wwxh