Medium severity4.5NVD Advisory· Published Oct 16, 2026
CVE-2026-19600
CVE-2026-19600
Description
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to sanitize authentication tokens before writing them to server log entries, which allows an attacker with access to server logs to obtain valid session tokens or OAuth access tokens and impersonate authenticated users via the debug-level Mattermost server log.. Mattermost Advisory ID: MMSA-2026-00763
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.9.1, <=11.8.5, <=11.7.10, <=11.10.1
Patches
Vulnerability mechanics
References
1News mentions
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