What is CVE-2026-47752?

CVE-2026-47752 is a critical-severity vulnerability in Quenary Tugtainer, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.9/10. Published 2026-07-23.

How severe is CVE-2026-47752?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Quenary Tugtainer

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` fie…

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Quenary Tugtainer — versions < 1.30.2

Weakness classification (CWE)

CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-47752?: CVE-2026-47752 is a critical-severity vulnerability in Quenary Tugtainer, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.9/10. Published 2026-07-23.
How severe is CVE-2026-47752?: Critical severity. CVSS v3 base score is 9.9 out of 10.