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    CVE-2026-33954

    LinkAce 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 to a different authenticated user via the web interface. The API appears to correctly enforce note visibility, but the web link detail page renders notes without applying equivalent visibility filtering. As a result, an authenticated user who is allowed to view another user's `internal` or `public` link can read that user's `private` notes attached to the link. Version 2.5.3 patches the issue.

    Published:Mar 27, 2026
    Last Modified:Mar 31, 2026
    EPS:Mar 27, 2026
    EPSS Score:0.00028
    CVSS Score:6.5

    Affected Products

    Vendor
    Kovah
    Product
    Linkace
    Vendor
    Linkace
    Product
    Linkace

    Exploits

    https://github.com/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8qhttps://github.com/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8q

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

    CVE-2026-49436 (CVSS 7.3) — LinkAce is a self-hosted archive to collect website links. Prior to version 2.5.7, the Bulk Link API endpoint …
    CVE-2026-45342 (CVSS 7.1) — LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains an Insecure Direct…
    CVE-2026-45343 (CVSS 8.5) — LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, LinkAce contains a stored cross-sit…
    CVE-2026-45344 (CVSS 8.1) — LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, the setup database configuration fl…
    CVE-2026-40905 (CVSS 8.1) — LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerab…
    CVE-2026-35516 (CVSS 5) — LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, LinkRepository::update and CheckLin…
    CVE-2026-33953 (CVSS 8.5) — LinkAce is a self-hosted archive to collect website links. Versions prior to 2.5.3 block direct requests to pr…
    CVE-2026-30954 (CVSS 5.3) — LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method …
    CVE-2026-30953 (CVSS 7.7) — LinkAce is a self-hosted archive to collect website links. When a user creates a link via POST /links, the ser…
    CVE-2026-27458 (CVSS 8.7) — LinkAce is a self-hosted archive to collect website links. Versions 2.4.2 and below have a Stored Cross-site S…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High