---
title: "CVE-2026-100744: coollabsio Coolify - Authorization Bypass"
description: "coollabsio Coolify <= 4.1.2 contains an authorization bypass caused by a flaw in Route-Level Middleware in app/Http/Middleware/CanUpdateResource.php, letting remote attackers bypass authorization, exploit requires no special conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-100744/
---

# CVE-2026-100744 coollabsio Coolify - Authorization Bypass

coollabsio Coolify <= 4.1.2 contains an authorization bypass caused by a flaw in Route-Level Middleware in app/Http/Middleware/CanUpdateResource.php, letting remote attackers bypass authorization, exploit requires no special conditions.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100744)

## Details

Type

Authorization Bypass

Impact

Broken Access Control

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Upgrade to version 4.2.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100744](https://nvd.nist.gov/vuln/detail/CVE-2026-100744)
- [https://vuldb.com/vuln/410615/cti](https://vuldb.com/vuln/410615/cti)
- [https://github.com/coollabsio/coolify/](https://github.com/coollabsio/coolify/)
- [https://github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-missing-authorization-route-middleware.7z](https://github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-missing-authorization-route-middleware.7z)
- [https://github.com/coollabsio/coolify/commit/39ae16de4248075de8c08f3259114e064b20d52d](https://github.com/coollabsio/coolify/commit/39ae16de4248075de8c08f3259114e064b20d52d)
- [https://github.com/coollabsio/coolify/pull/10829](https://github.com/coollabsio/coolify/pull/10829)
- [https://github.com/coollabsio/coolify/releases/tag/v4.2.0](https://github.com/coollabsio/coolify/releases/tag/v4.2.0)
- [https://vuldb.com/cve/CVE-2026-100744](https://vuldb.com/cve/CVE-2026-100744)
- [https://vuldb.com/submit/897358](https://vuldb.com/submit/897358)
- [https://vuldb.com/vuln/410615](https://vuldb.com/vuln/410615)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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