---
cve: "CVE-2026-10712"
severity: "HIGH"
cvss: 8.0
epss: "0.4%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-06-25 05:16:50"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-11-11T02:00:31+01:00"
---

# CVE-2026-10712

> 8.0 HIGH

## Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitLab**
- State: PUBLISHED
- Stand: 2026-06-26 03:55:21
- CNA-CVSS: **8.0** (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## 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 |

## Schwachstellen-Klasse

- **CWE-79** — Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
  The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

## Angriffsmuster (CAPEC)

- [CAPEC-63 — Cross-Site Scripting (XSS)](https://capec.mitre.org/data/definitions/63.html) _(Severity: Very High)_
- [CAPEC-85 — AJAX Footprinting](https://capec.mitre.org/data/definitions/85.html) _(Severity: Low)_
- [CAPEC-209 — XSS Using MIME Type Mismatch](https://capec.mitre.org/data/definitions/209.html) _(Severity: Medium)_
- [CAPEC-588 — DOM-Based XSS](https://capec.mitre.org/data/definitions/588.html) _(Severity: Very High)_
- [CAPEC-591 — Reflected XSS](https://capec.mitre.org/data/definitions/591.html) _(Severity: Very High)_
- [CAPEC-592 — Stored XSS](https://capec.mitre.org/data/definitions/592.html) _(Severity: Very High)_

## Patch verfügbar (OSV)

- 0626dbe45d0ea9a431f494135ee4636d149eb523 (Commit)
- e1892478cfb7980c694d13e0e5e15e129aa3d908 (Commit)

## BSI-Hinweise (deutsch)

- [GitLab CE/EE: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-2070) — _BSI-Einstufung: hoch_
  Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder Cross-Site-Scripting-Angriffe durchzuführen.

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/work_items/601857>
- <https://hackerone.com/reports/3688717>
- <https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-10712/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_