Vulnerability DatabaseCVE-2026-47752
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CVE-2026-47752
Published:July 23, 2026
Updated:August 04, 2026
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.
Affected Packages
https://github.com/Quenary/tugtainer.git (GITHUB):
Affected version(s) >=v1.0.0 <v1.30.2
Fix Suggestion:
Update to version v1.30.2
Related Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2026-47752
https://github.com/Quenary/tugtainer/security/advisories/GHSA-g2cj-2x47-78vq
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47752.json
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CVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements Used in a Template Engine
CWE-1336
EPSS
Base Score:
0.39