What’s Vulnerable › Vulnerabilities

CVE-2025-62721: LinkAce: Authorization Bypass Allows Unauthorized Access to All Private Links, Lists, and Tags

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-11-04 · updated 2026-10-18
• Weakness: CWE-200

Description

LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, authenticated RSS feed endpoints in the FeedController class fail to implement proper authorization checks, allowing any authenticated user to access all links, lists, and tags from all users in the system, regardless of their ownership or visibility settings. This issue is fixed in version 2.4.0.

Affected products

• Kovah LinkAce: before 2.4.0 — fixed in 2.4.0

How to fix

Upgrade to a fixed version: Kovah LinkAce 2.4.0. Check the vendor advisory for mitigations.

References

• https://github.com/Kovah/LinkAce/commit/1fef32694cee2bd80892fb478416be9364c3fddd
• https://github.com/Kovah/LinkAce/releases/tag/v2.4.0
• https://github.com/Kovah/LinkAce/security/advisories/GHSA-47g2-qw6q-cr96
• https://github.com/Kovah/LinkAce/security/advisories/GHSA-47g2-qw6q-cr96

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