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CVE-2026-30954

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

MEDIUM
4.3
CVSS Score
Published: March 10, 2026 at 08:40 PM UTC
Updated: June 17, 2026 at 10:33 AM UTC
2 products affected across 2 vendorsLinkaceLinkAce

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMMitigationVendor Advisory
Source: cverecord
https://github.com/Kovah/LinkAce/security/advisories/GHSA-vc99-cgj6-wwxh

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-639

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