CVE-2026-55494GHSA-WGW2-C96G-P7H7
Tugtainer: Unauthenticated access to Tugtainer Agent Docker management APIs when AGENT_SECRET is unset
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Fix
- Fixed in 1.30.4
- Public exploit
- None on Exploit-DB
CISA SSVC
- Exploitation: poc
- Automatable: yes
- Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).
SSVC documentationSummary
Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.4, Tugtainer Agent allows unauthenticated access to Docker management APIs when AGENT_SECRET is not configured. The Agent uses request signatures to protect its API routes. However, in agent/auth.py, the signature verification function returns successfully if Config.AGENT_SECRET is empty. This causes protected Agent APIs to become accessible without authentication. This issue has been patched in version 1.30.4.
Affected versions
- Quenary tugtainer
fixed in 1.30.4