CVE-2026-13014: Thales Cert Suspicious

Critical severity, CVSS 9.2. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability in Thales CERT "Suspicious" application =< 1.3.4 allows a remote and unauthenticated attacker to execute arbitrary code and arbitrarily overwrite writable application files—including Python modules, configuration files, cron inputs, and runtime artifacts—leading to a persistent denial of service, the potential compromise of application secrets or integrations, and root-level execution inside the Django application container. This vulnerability has been names "Matryoshka Mail". Thales PSIRT acknowledges and thanks Lucien Doustaly (aka wlayzz) for discovering and reporting this issue.

Affected products

• Thales Cert Suspicious

Published 2026-07-13. Last modified 2026-07-13.