CVE-2026-55181
Tugtainer is a self-hosted app for automating updates of Docker containers
- Risk score
- 81/100
- CVSS
- 9.4 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 30 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.3, Tugtainer's OIDC authentication can still be initiated even when OIDC_ENABLED=false. The /auth/oidc/enabled endpoint correctly reports that OIDC is disabled. However, a direct request to /auth/oidc/login still starts t…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.30.3 or later.
- Exploitation
- No known exploitation
Why it is Red
- CVSS 9.4 critical
- Remotely exploitable without logging in
- On your watchlist: docker
References
Original description
Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.3, Tugtainer's OIDC authentication can still be initiated even when OIDC_ENABLED=false. The /auth/oidc/enabled endpoint correctly reports that OIDC is disabled. However, a direct request to /auth/oidc/login still starts the OIDC login flow, returns HTTP 302, sets an oidc_state cookie, and redirects the user to the configured OIDC authorization endpoint. This bypasses the intended OIDC disable switch. This issue has been patched in version 1.30.3.
Last activity 30 Sep 2026. Patch Forecast updates every hour.