---
cve: "CVE-2026-0595"
severity: "HIGH"
cvss: 7.3
epss: "22%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-02-11 12:16:03"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T13:56:59+02:00"
---

# CVE-2026-0595

> 7.3 HIGH

## Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- e529f6c3f048a1600ee184ee72f234cfd3ecbdb6 (Commit)
- 4597d837d39a31d0978b23cbf4b4dd9a496ae536 (Commit)

## Referenzen

- <https://gitlab.com/gitlab-org/gitlab/-/issues/584975>
- <https://hackerone.com/reports/3486862>
- <https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-0595) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_