CVE-2026-23846: Tugtainer is a self-hosted app for automating updates of Docker containers

Q: How do I fix CVE-2026-23846?

tugtainer: upgrade to 1.16.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-23846 being exploited?

CVE-2026-23846 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-23846 affect?

CVE-2026-23846 affects tugtainer. Severity is high (CVSS 8.1). Tugtainer is a self-hosted app for automating updates of Docker containers. In versions prior to 1.16.1, the password authentication mechanism transmits passwords via URL query parameters instead of the HTTP request body. This causes passwo

Q: How urgent is CVE-2026-23846?

Priority 48/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 8.1WATCHLISTUPGRADE

CVE-2026-23846 is a high-severity flaw (CVSS 8.1) affecting tugtainer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tugtainer is a self-hosted app for automating updates of Docker containers. In versions prior to 1.16.1, the password authentication mechanism transmits passwords via URL query parameters instead of the HTTP request body. This causes passwords to be logged in server access logs and potentially exposed through browser history, Referer headers, and proxy logs. Version 1.16.1 patches the issue.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-598
Published	2026-01-19
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: quenary

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-19 20:15 UTCPublished CVE record published
2026-06-17 10:22 UTCUpdated Record last modified

quenary tugtainer UPGRADE

Affected: < 1.16.1

Fixed in: 1.16.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tugtainer || rpm -q tugtainer || tugtainer --version

2. UPGRADE to 1.16.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tugtainer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tugtainer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-23846?

tugtainer: upgrade to 1.16.1. Exact commands for each OS are on this page.

Is CVE-2026-23846 being exploited?

CVE-2026-23846 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-23846 affect?

CVE-2026-23846 affects tugtainer. Severity is high (CVSS 8.1). Tugtainer is a self-hosted app for automating updates of Docker containers. In versions prior to 1.16.1, the password authentication mechanism transmits passwords via URL query parameters instead of the HTTP request body. This causes passwo

How urgent is CVE-2026-23846?

Priority 48/100. High severity; Public exploit reference; On your watchlist

Software pages

Docker vulnerabilities

Related CVEs

CVE-2025-69201 CRITICAL 9.8 UPGRADE Tugtainer is a self-hosted app for automating updates of docker containers

References

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