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CVE-2025-13870GO-2025-4178GHSA-58W6-W55X-6WQ8

Unauthorized access and subscription vulnerability in Boards

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.5.13+incompatible, 10.11.5+incompatible, 8.0.0-20251212204551-54f2e9b4afd5, 8.0.0-20250905150616-ba86dfc5876b, 10.11.5, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Boards, which allows an authenticated user to access other board files and was able to subscribe to the block from other boards that the user does not have access to

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    From 10.11.0 · through 10.11.4; From 10.5.0 · through 10.5.12

  • github.com/mattermost/mattermostGo

    From 10.5.0+incompatible · fixed in 10.5.13+incompatible; From 10.11.0+incompatible · fixed in 10.11.5+incompatible

  • github.com/mattermost/mattermost-serverGo

    All versions

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

    All versions

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

    All versions

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

    fixed in 8.0.0-20251212204551-54f2e9b4afd5

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

    fixed in 8.0.0-20250905150616-ba86dfc5876b

  • github.com/mattermost/mattermostGo

    From 10.11.0 · fixed in 10.11.5

  • github.com/mattermost/mattermostGo

    From 10.5.0 · fixed in 10.5.13

References 1

mattermost.com