7.5
HIGH CVSS 2.0
CVE-2026-100744
coollabsio Coolify Route-Level Middleware CanUpdateResource.php authorization
Description

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.

INFO

Published Date :

Sept. 27, 2026, 2:17 a.m.

Last Modified :

Sept. 27, 2026, 2:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-100744 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Coollabsio coolify
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Update Coolify to version 4.2.0 or later to address the missing authorization flaw.
  • Upgrade Coolify to version 4.2.0 or later.
  • Apply the vendor-supplied patch.
  • Ensure the affected component is updated.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-100744 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-100744 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-100744 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-100744 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 27, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 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:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-862
    Added CWE CWE-863
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/100xxx/CVE-2026-100744.json">CVE-2026-100744</a>
    Added Reference https://github.com/coollabsio/coolify/
    Added Reference https://github.com/coollabsio/coolify/commit/39ae16de4248075de8c08f3259114e064b20d52d
    Added Reference https://github.com/coollabsio/coolify/pull/10829
    Added Reference https://github.com/coollabsio/coolify/releases/tag/v4.2.0
    Added Reference https://github.com/lakshayyverma/CVE-Discovery/blob/main/coolify-missing-authorization-route-middleware.7z
    Added Reference https://vuldb.com/cve/CVE-2026-100744
    Added Reference https://vuldb.com/submit/897358
    Added Reference https://vuldb.com/vuln/410615
    Added Reference https://vuldb.com/vuln/410615/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.