---
cve: "CVE-2026-96757"
severity: "CRITICAL"
cvss: 9.3
epss: "0.6%"
vendor: "orval-labs"
kev: false
exploited: false
published: "2026-09-23 17:17:24"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-10T02:00:01+02:00"
---

# CVE-2026-96757

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

orval before 8.29.0 fails to escape OpenAPI media-type keys when emitting them into single-quoted Content-Type string literals in generated code. Attackers can inject JavaScript through crafted media-type keys in OpenAPI specifications that executes when generated fetch operations or mock resolvers are invoked.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 3ea429d1161c0470cf34c08052821214ad908835 (Commit)

## Referenzen

- <https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p>
- <https://github.com/orval-labs/orval/security/advisories/GHSA-rcpr-mq4m-jx9j>
- <https://github.com/orval-labs/orval/pull/4007>
- <https://github.com/orval-labs/orval/commit/43af282d62dca0ef3140023741fb768f6a718adb>
- <https://github.com/orval-labs/orval/commit/a2d4af59f3b167dc8a7a65d15f51cdb89ebe2fe5>
- <https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584>
- <https://github.com/orval-labs/orval>
- <https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-unescaped-openapi-media-type>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-96757/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_