---
cve: "CVE-2026-12774"
severity: "MEDIUM"
cvss: 5.3
epss: "26%"
vendor: "berriai"
kev: false
exploited: false
published: "2026-06-21 03:45:06"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T03:48:11+02:00"
---

# CVE-2026-12774

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function _execute_with_mcp_client of the file litellm/proxy/_experimental/mcp_server/rest_endpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://vuldb.com/vuln/372516>
- <https://vuldb.com/vuln/372516/cti>
- <https://vuldb.com/cve/CVE-2026-12774>
- <https://vuldb.com/submit/811285>
- <https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-12774) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_