Vulnerability · Published Sep 27, 2026 · Assigned by VulDB
CVE-2026-100746coollabsio Coolify GitHub App Setup redirect missing authentication
High 7.3
In plain English
A high-severity missing authentication in Coolify from coollabsio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| coollabsio | Coolify | 4.04.1.0 |
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-410617 | coollabsio Coolify GitHub App Setup redirect missing authentication vdb-entry, technical-description
- VDB-410617 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-100746 | CVE Analysis and Report third-party-advisory
- Submit #897404 | coollabsio Coolify 4.1.1 Missing Authentication third-party-advisory
- https://github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-unauth-secret-overwrite-github-app-redirect.7z exploit
- https://github.com/coollabsio/coolify/pull/10362 issue-tracking, patch
- https://github.com/coollabsio/coolify/commit/fc89e357feed5180ed1ab5eb9cb330578f025539 patch
- https://github.com/coollabsio/coolify/releases/tag/v4.1.1 patch
- https://github.com/coollabsio/coolify/ product