CVE-2025-13767 (GCVE-0-2025-13767)

Vulnerability from cvelistv5 – Published: 2025-12-24 08:01 – Updated: 2025-12-24 16:36
VLAI?
Title
Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin
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.
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 11.1.0 , ≤ 11.1.0 (semver)
Affected: 11.0.0 , ≤ 11.0.5 (semver)
Affected: 10.12.0 , ≤ 10.12.3 (semver)
Affected: 10.11.0 , ≤ 10.11.7 (semver)
Unaffected: 11.2.0
Unaffected: 11.1.1
Unaffected: 11.0.6
Unaffected: 10.12.4
Unaffected: 10.11.8
Create a notification for this product.
Credits
Juho Forsén
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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