CVE-2026-100746 coollabsio Coolify GitHub App Setup redirect missing authentication
Attackers can bypass authentication in the GitHub App Setup redirect handler, potentially gaining unauthorized access to the Coolify platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100746?
CVE-2026-100746 is a medium-severity missing authorization vulnerability in coollabsio Coolify, published on 27 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in coollabsio Coolify up to 4.1.0. This affects the function Github::redirect of the file /webhooks/source/github/redirect of the component GitHub App Setup Handler. The manipulation of the argument state results in missing authentication. The attack can be executed remotely. The exploit has been made public and could be used. Upgrading to version 4.1.1 mitigates this issue. The patch is identified as fc89e357feed5180ed1ab5eb9cb330578f025539. The affected component should be upgraded.
Which versions are affected by CVE-2026-100746?
How do I fix CVE-2026-100746?
No fix has been published for CVE-2026-100746 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-100746 being exploited?
There is no known exploitation of CVE-2026-100746 in the wild and no public exploit code.
Sources
Also known as GHSA-696w-453m-h6jm.