---
cve: "CVE-2026-19650"
severity: "HIGH"
cvss: 7.1
epss: "24%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-08-17 20:04:56"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T10:04:09+02:00"
---

# CVE-2026-19650

> 7.1 HIGH

## Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Patch verfügbar (OSV)

- 16bd35699eb29fa0c5595aa8ae57534f39b95145 (Commit)
- ae687184779ad629f8aeb78ca2c9ff808b02f86c (Commit)

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/work_items/612617>
- <https://hackerone.com/reports/3903669>
- <https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-19650) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_