---
cve: "CVE-2026-58440"
severity: "MEDIUM"
cvss: 6.8
epss: "28%"
vendor: "Gitea"
kev: false
exploited: false
published: "2026-08-13 17:17:28"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T10:38:44+02:00"
---

# CVE-2026-58440

> 6.8 MEDIUM · 🧪 PoC

## Beschreibung

Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content (incomplete revocation cleanup in `DeleteCollaboration`)

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 73e0e442988704487b285d59f7494a85229e41e2 (Commit)

## Referenzen

- <https://github.com/go-gitea/gitea/security/advisories/GHSA-66m4-5jjr-2rg5>
- <https://github.com/go-gitea/gitea/releases/tag/v1.27.0>
- <https://blog.gitea.com/gitea-1.27.0-is-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-58440) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_