CVE-2026-47752

Tugtainer is a self-hosted app for automating updates of Docker containers. Versions prior to 1.30.2 are vulnerable to Server-Side Template Injection (SSTI) in the notification template feature. The `title_template` and `body_template` fields are rendered using an unsandboxed `jinja2.Environment`, allowing any authenticated user to execute arbitrary OS commands as root inside the container. Version 1.30.2 fixes the issue.

• CWE-1336

• https://github.com/Quenary/tugtainer/security/advisories/GHSA-g2cj-2x47-78vq
• https://github.com/Quenary/tugtainer/security/advisories/GHSA-g2cj-2x47-78vq

Published

Jul 23, 2026

Last Modified

Jul 23, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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