CVE-2025-13767

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 fails to validate user channel membership when attaching Mattermost posts as comments to Jira issues, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost11.1.0 <= 11.1.0affected
MattermostMattermost11.0.0 <= 11.0.5affected
MattermostMattermost10.12.0 <= 10.12.3affected
MattermostMattermost10.11.0 <= 10.11.7affected
MattermostMattermost11.2.0unaffected
MattermostMattermost11.1.1unaffected
MattermostMattermost11.0.6unaffected
MattermostMattermost10.12.4unaffected
MattermostMattermost10.11.8unaffected

Weaknesses

  • CWE-863: CWE-863: Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References