CVE-2026-22892 (GCVE-0-2026-22892)

Vulnerability from cvelistv5 – Published: 2026-02-13 10:29 – Updated: 2026-02-13 17:03
VLAI?
Title
Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments
Summary
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, 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 via the /create-issue API endpoint by providing the post ID of an inaccessible post.. Mattermost Advisory ID: MMSA-2025-00550
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 , ≤ 11.1.2 (semver)
Affected: 10.11.0 , ≤ 10.11.9 (semver)
Affected: 11.2.0 , ≤ 11.2.1 (semver)
Unaffected: 11.3.0
Unaffected: 11.1.3
Unaffected: 10.11.10
Unaffected: 11.2.2
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 confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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