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CVE-2025-14435GHSA-MX8M-V8QM-XWR8GO-2026-4326

Application-Level DoS via infinite re-render loop in user profile handling

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.11.9, 11.1.2, 11.0.7, 10.11.9+incompatible, 11.0.7+incompatible, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Mattermost versions 10.11.x <= 10.11.8, 11.1.x <= 11.1.1, 11.0.x <= 11.0.6 fail to prevent infinite re-renders on API errors which allows authenticated users to cause application-level DoS via triggering unbounded component re-render loops.

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 10.11.8; From 11.1.0 · through 11.1.1; From 11.0.0 · through 11.0.6

  • github.com/mattermost/mattermost-serverGo

    From 10.11.0 · fixed in 10.11.9

  • github.com/mattermost/mattermost-serverGo

    From 11.1.0 · fixed in 11.1.2

  • github.com/mattermost/mattermost-serverGo

    From 11.0.0 · fixed in 11.0.7

  • github.com/mattermost/mattermost-serverGo

    From 10.11.0+incompatible · fixed in 10.11.9+incompatible; From 11.0.1+incompatible · fixed in 11.0.7+incompatible; From 11.1.0+incompatible · fixed in 11.1.2+incompatible

References 1

mattermost.com