CVE-2026-100746: Auth Bypass (CVSS 7.3)

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0050

Probability of exploitation

0.41%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-306 Missing Authentication

References

Other References

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

Frequently Asked Questions

What is CVE-2026-100746? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-100746? +

CVE-2026-100746 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0050, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-100746? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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