CVEvulnerability
CVE-2026-22892
4.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-863
Description
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
Affected configurations
• mattermost mattermost server (>= 10.11.0 < 10.11.10)
• mattermost mattermost server (>= 11.0.0 < 11.1.3)
• mattermost mattermost server (>= 11.2.0 < 11.2.2)
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://mattermost.com/security-updates Vendor Advisory