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CVE-2025-64641GO-2025-4260GHSA-VWW6-79RV-3J4X

Mattermost Jira plugin crafted action leaks Jira issue details

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.11.8+incompatible, 10.12.4+incompatible, 11.0.6+incompatible, 11.1.1+incompatible, 8.0.0-20251121122154-b57c297c6d7, and 4 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    From 11.1.0 · through 11.1.0; From 11.0.0 · through 11.0.5; From 10.12.0 · through 10.12.3; From 10.11.0 · through 10.11.7

  • github.com/mattermost/mattermost-serverGo

    From 10.11.0+incompatible · fixed in 10.11.8+incompatible; From 10.12.0+incompatible · fixed in 10.12.4+incompatible; From 11.0.1+incompatible · fixed in 11.0.6+incompatible; From 11.1.0+incompatible · fixed in 11.1.1+incompatible

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

    All versions

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

    All versions

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

    All versions

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

    fixed in 8.0.0-20251121122154-b57c297c6d7

  • github.com/mattermost/mattermost-serverGo

    From 10.11.0 · fixed in 10.11.8

  • github.com/mattermost/mattermost-serverGo

    From 10.12.0 · fixed in 10.12.4

  • github.com/mattermost/mattermost-serverGo

    From 11.0.0 · fixed in 11.0.6

  • github.com/mattermost/mattermost-serverGo

    From 11.1.0 · fixed in 11.1.1

References 1

mattermost.com