High severity8.8NVD Advisory· Published Apr 6, 2026· Updated Apr 7, 2026
CVE-2026-3524
CVE-2026-3524
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=1.1.4
Patches
Vulnerability mechanics
References
1News mentions
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