Auth bypass in Coollabsio Coolify
CVE-2026-100744
A flaw has been found in coollabsio Coolify up to 4.1.2. The affected element is an unknown function of the file app/Http/Middleware/CanUpdateResource.php of the component Route-Level Middleware. Executing a manipulation can lead to missing authorization. The attack may be launched remotely. The exploit has been published and may be used. Upgrading to version 4.2.0 is sufficient to fix this issue. This patch is called 39ae16de4248075de8c08f3259114e064b20d52d. It is advisable to upgrade the affected component.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Coollabsio Coolify — versions 4.1.0, 4.1.1, 4.1.2
Weakness classification (CWE)
References
- VDB-410615 | coollabsio Coolify Route-Level Middleware CanUpdateResource.php authorization (vdb-entry)
- VDB-410615 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- CVE-2026-100744 | CVE Analysis and Report (third-party-advisory)
- Submit #897358 | coollabsio Coolify 4.1.1 Missing Authorization (third-party-advisory)
- github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-missing-authorization-… (exploit)
- github.com/coollabsio/coolify/pull/10829 (issue-tracking, patch)
- github.com/coollabsio/coolify/commit/39ae16de4248075de8c08f3259114e064b20d52d (patch)
- github.com/coollabsio/coolify/releases/tag/v4.2.0 (patch)
- github.com/coollabsio/coolify/ (product)
Frequently asked questions
- What is CVE-2026-100744?
- CVE-2026-100744 is a high-severity vulnerability in Coollabsio Coolify, classified under Missing Authorization. CVSS score: 7.3/10. Published 2026-09-27.
- How severe is CVE-2026-100744?
- High severity. CVSS v3 base score is 7.3 out of 10.