---
cve: "CVE-2026-0752"
severity: "HIGH"
cvss: 8.0
epss: "31%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-02-25 21:16:36"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T22:56:39+02:00"
---

# CVE-2026-0752

> 8.0 HIGH

## Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- f70152f12046139e8d5b1652c185af8af63ebca3 (Commit)
- a28bcd8f433ae9da128464ded4f904d9a3bd89fe (Commit)

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/issues/585371>
- <https://hackerone.com/reports/3473276>
- <https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-0752) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_