Critical severity · published Jul 23, 2026
CVE-2026-47752
Tugtainer has Server-Side Template Injection in notification templates that leads to Remote Code Execution
9.9
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TU
tugtainer · Quenary
< 1.30.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47752
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47752
github.com
https://github.com/Quenary/tugtainer/security/advisories/GHSA-g2cj-2x47-78vq
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