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github.com/mattermost/mattermost-plugin-boards

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

Open advisories

2 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 4.3GoPublished

    Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications

    CVE-2026-2461 · GHSA-hf8w-x9h5-5gf9

    Affected
    • Go github.com/mattermost/mattermost-plugin-boards < 0.0.0-20260108044135-57c5be5b6ef5
    Fixed in
    0.0.0-20260108044135-57c5be5b6ef5· Vendor fix available
    Issue
    Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559

    Recommended action: Upgrade to 0.0.0-20260108044135-57c5be5b6ef5 (pre-release) or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  2. Low, CVSS 3.1GoPublished

    Mattermost boards plugin fails to restrict download access to files

    CVE-2025-9081 · GHSA-f72g-52v7-mg3p

    Affected
    • Go github.com/mattermost/mattermost-plugin-boards < 0.0.0-20250716054606-3f3e3becfe1d
    Fixed in
    0.0.0-20250716054606-3f3e3becfe1d· Vendor fix available
    Issue
    Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration

    Recommended action: Upgrade to 0.0.0-20250716054606-3f3e3becfe1d (pre-release) or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →