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Vulnerability record · CVE-2025-62721 · published 4 November 2025

CVE-2025-62721: Linkace information exposure vulnerability

Linkace · Linkace

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.

7.1 CVSS 4.0 High EPSS 0.37% · top 72.1% CWE-200 · Information exposureCWE-284 · Improper access control
7.1CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Kovah/LinkAce/commit/1fef32694cee2bd80892fb478416be9364c3fddd Patch
https://github.com/Kovah/LinkAce/releases/tag/v2.4.0 Release Notes
https://github.com/Kovah/LinkAce/security/advisories/GHSA-47g2-qw6q-cr96 ExploitVendor Advisory
https://github.com/Kovah/LinkAce/security/advisories/GHSA-47g2-qw6q-cr96 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-27458Linkace vulnerabilityLinkAce is a self-hosted archive to collect website links. Versions 2.4.2 and below have a Stored Cross-site Scripting vulnerability through the Atom…EPSS 0.26%8.7CVE-2025-62722Linkace cross-site scripting vulnerabilityLinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cros…EPSS 0.25%8.5CVE-2026-33953Linkace server-side request forgery (ssrf) vulnerabilityLinkAce is a self-hosted archive to collect website links. Versions prior to 2.5.3 block direct requests to private IP literals, but still performs s…EPSS 0.33%8.4CVE-2025-53838Linkace cross-site scripting vulnerabilityLinkAce is a self-hosted archive to collect website links. A stored cross-site scripting (XSS) vulnerability was discovered in versions prior to 2.1.…EPSS 0.27%7.6CVE-2024-56508Linkace unrestricted file upload vulnerabilityLinkAce is a self-hosted archive to collect links of your favorite websites. Prior to 1.15.6, a file upload vulnerability exists in the LinkAce. This…EPSS 0.43%7.3CVE-2025-59424Linkace cross-site scripting vulnerabilityLinkAce is a self-hosted archive to collect website links. Prior to 2.3.1, a Stored Cross-Site Scripting (XSS) vulnerability has been identified on t…EPSS 0.34%7.1CVE-2025-62720Linkace information exposure vulnerabilityLinkAce is a self-hosted archive to collect website links. Versions 2.3.1 and below allow any authenticated user to export the entire database of lin…EPSS 0.37%6.5CVE-2026-33954Linkace improper authorization vulnerabilityLinkAce is a self-hosted archive to collect website links. In versions prior to 2.5.3, a private note attached to a non-private link can be disclosed…EPSS 0.38%

Source: NIST National Vulnerability Database (record CVE-2025-62721), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.