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Vulnerability record · CVE-2026-100746 · published 27 September 2026

CVE-2026-100746: Improper authentication vulnerability

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.

5.5 CVSS 4.0 Medium CWE-287 · Improper authenticationCWE-306 · Missing authentication for critical function Received
5.5CVSS 4.0 base score, v2 7.5
—EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
9References
27 Sep 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/coollabsio/coolify/
https://github.com/coollabsio/coolify/commit/fc89e357feed5180ed1ab5eb9cb330578f025539
https://github.com/coollabsio/coolify/pull/10362
https://github.com/coollabsio/coolify/releases/tag/v4.1.1
https://github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-unauth-secret-overwrite-github-app-redirect.7z
https://vuldb.com/cve/CVE-2026-100746
https://vuldb.com/submit/897404
https://vuldb.com/vuln/410617
https://vuldb.com/vuln/410617/cti

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Source: NIST National Vulnerability Database (record CVE-2026-100746), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.