CVEvulnerability
CVE-2026-3524
8.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-06
- Last modified
- 2026-08-06
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-862
Description
Mattermost Plugin Legal Hold versions <=1.1.4 fail to halt request processing after a failed authorization check in ServeHTTP which allows an authenticated attacker to access, create, download, and delete legal hold data via crafted API requests to the plugin's endpoints. Mattermost Advisory ID: MMSA-2026-00621
Affected configurations
• mattermost legal hold (< 1.1.5)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://mattermost.com/security-updates Vendor Advisory