---
cve: "CVE-2026-27771"
severity: "HIGH"
cvss: 8.2
epss: "43.1%"
vendor: "Gitea"
kev: false
exploited: false
published: "2026-07-03 21:16:59"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T12:18:16+02:00"
---

# CVE-2026-27771

> 8.2 HIGH · 🧪 PoC

## Beschreibung

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
```

| 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 | Hoch | bad |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 2c749ce548b1da0a52835861a87b888e67842d29 (Commit)

## Referenzen

- <https://github.com/go-gitea/gitea/security/advisories/GHSA-8qw8-rq86-9pc2>
- <https://github.com/go-gitea/gitea/pull/37610>
- <https://github.com/go-gitea/gitea/releases/tag/v1.26.2>
- <https://blog.gitea.com/release-of-1.26.2/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-27771) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_