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CVE-2025-20051GO-2025-3483GHSA-V469-7WP6-7CVP

Arbitrary file read via block duplication in Mattermost Boards

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 9.11.8+incompatible, 10.2.3+incompatible, 10.3.3+incompatible, 10.4.2+incompatible, 8.0.0-20250122165010-4ed702ccff4e, and 4 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    From 10.4.0 · through 10.4.1; From 9.11.0 · through 9.11.7; From 10.3.0 · through 10.3.2; From 10.2.0 · through 10.2.2

  • github.com/mattermost/mattermost-serverGo

    From 9.11.0-rc1+incompatible · fixed in 9.11.8+incompatible; From 10.2.0-rc1+incompatible · fixed in 10.2.3+incompatible; From 10.3.0-rc1+incompatible · fixed in 10.3.3+incompatible; From 10.4.0-rc1+incompatible · fixed in 10.4.2+incompatible

  • github.com/mattermost/mattermost-server/v5Go

    All versions

  • github.com/mattermost/mattermost-server/v6Go

    All versions

  • github.com/mattermost/mattermost/server/v8Go

    fixed in 8.0.0-20250122165010-4ed702ccff4e

  • github.com/mattermost/mattermost/server/v8Go

    From 9.11.0-rc1 · fixed in 9.11.8

  • github.com/mattermost/mattermost/server/v8Go

    From 10.2.0-rc1 · fixed in 10.2.3

  • github.com/mattermost/mattermost/server/v8Go

    From 10.3.0-rc1 · fixed in 10.3.3

  • github.com/mattermost/mattermost/server/v8Go

    From 10.4.0-rc1 · fixed in 10.4.2

References 1

mattermost.com