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Critical 9.9Published Jul 23, 2026

CVE-2026-47752Tugtainer has Server-Side Template Injection in notification templates that leads to Remote Code Execution

Updated under an hour ago ()

Does this affect you?

It affects Quenary tugtainer. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-1336
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
Jul 23, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Quenary tugtainer
quenary:tugtainer (from the name)
before 1.30.2
CNA record

References

  • x-refsource-confirm

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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