---
cve: "CVE-2026-5760"
severity: "CRITICAL"
cvss: 9.8
epss: "85%"
vendor: "SGLang"
kev: false
exploited: false
published: "2026-04-20 14:16:21"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T11:03:50+02:00"
---

# CVE-2026-5760

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

SGLang's reranking endpoint (/v1/rerank) achieves Remote Code Execution (RCE) when a model file containing a malcious tokenizer.chat_template is loaded, as the Jinja2 chat templates are rendered using an unsandboxed jinja2.Environment().

## CVSS-Vektor

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

| 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 | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 612785ffdcaf35552f1ed433a981d596ca9fe900 (Commit)

## Referenzen

- <https://github.com/Stuub/SGLang-0.5.9-RCE>
- <https://github.com/sgl-project/sglang/pull/23660>
- <https://www.kb.cert.org/vuls/id/915947>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5760) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_