---
cve: "CVE-2026-100746"
severity: "MEDIUM"
cvss: 6.9
epss: "0.5%"
vendor: "coollabsio"
kev: false
exploited: false
published: "2026-09-27 04:16:34"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-03T22:32:04+02:00"
---

# CVE-2026-100746

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulDB**
- State: PUBLISHED
- Stand: 2026-09-28 13:48:00
- CNA-CVSS: **6.9** (`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`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- fc89e357feed5180ed1ab5eb9cb330578f025539 (Commit)
- 5a27427cad54e98c21a691a08077c20f94f84f73 (Commit)

## BSI-Hinweise (deutsch)

- [Coolify: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-3600) — _BSI-Einstufung: mittel_
  Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Coolify ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-100746) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_