---
cve: "CVE-2026-19478"
severity: "CRITICAL"
cvss: 9.4
epss: "1.5%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-08-17 20:16:41"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T21:11:17+02:00"
---

# CVE-2026-19478

> 9.4 CRITICAL

## 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 allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.

## CVSS-Vektor

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

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

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/work_items/611377>
- <https://hackerone.com/reports/3926431>
- <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-2026-19478) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_