Unrated severityNVD Advisory· Published Jul 28, 2026· Updated Jul 28, 2026
SAML certificate deletion allows path traversal to delete arbitrary files outside the config directory
CVE-2026-7521
Description
Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint.. Mattermost Advisory ID: MMSA-2026-00666
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.8.0, <=11.7.3, <=11.6.5, <=10.11.20
Patches
Vulnerability mechanics
References
1- mattermost.com/security-updatesmitrevendor-advisory
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