Authorization Flaw in LinkAce Affects Multiple Users
CVE-2025-62721

7.1HIGH

Key Information:

Vendor

Kovah

Status
Linkace
Vendor
CVE Published:
4 November 2025

What is CVE-2025-62721?

LinkAce, a self-hosted solution for managing website links, has a significant security flaw in its RSS feed endpoints within the FeedController class. In affected versions, specifically 2.3.1 and earlier, the application fails to enforce proper authorization checks. This oversight allows any authenticated user to gain unauthorized access to all links, lists, and tags created by every user, disregarding their individual ownership and visibility settings. The issue was resolved in version 2.4.0, and it is crucial for users of affected versions to upgrade to this release to safeguard their data against unauthorized access.

Affected Version(s)

LinkAce < 2.4.0

References

https://github.com/Kovah/LinkAce/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/Kovah/LinkAce/commit/1fef32694cee2bd80...
x_refsource_MISC
https://github.com/Kovah/LinkAce/releases/tag/v2.4.0
x_refsource_MISC

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-62721 : Authorization Flaw in LinkAce Affects Multiple Users