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CVE-2026-96757— orval before 8.29.0 Code Injection via unescaped OpenAPI media-type

Quick assessment

Affected
orval-labs orval
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 gener

CVSS 9.8 · Critical
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I. Basic Information for CVE-2026-96757

Vulnerability Information

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Vulnerability Title
orval before 8.29.0 Code Injection via unescaped OpenAPI media-type
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
orval-labs orval 6.7.1 ~ 8.29.0 -

II. Public POCs for CVE-2026-96757

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III. Intelligence Information for CVE-2026-96757

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Patches & Fixes for CVE-2026-96757 (3)

Other References for CVE-2026-96757 (4)

Same Patch Batch · orval-labs · 2026-09-23 · 6 CVEs total

CVE-2026-96754 9.8 CRITICAL orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path
CVE-2026-96755 9.8 CRITICAL orval @orval/effect 8.14.0 through 8.28.1 Code Injection
CVE-2026-96759 9.8 CRITICAL orval before 8.29.0 Code Injection via operationId
CVE-2026-96758 9.8 CRITICAL orval @orval/core before 8.28.0 Code Injection via Form-Data
CVE-2026-96756 8.1 HIGH orval before 8.30.0 Code Injection via Factory Generation

IV. Related Vulnerabilities

Same product: orval
Same vendor: orval-labs
Same weakness: CWE-94

V. Comments for CVE-2026-96757

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