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Orval CVE-2026-25141

CRITICAL
Code Injection (CWE-94)
2026-01-30 security-advisories@github.com GHSA-gch2-phqh-fg9q
9.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
CVE Published
Jan 30, 2026 - 21:15 nvd
CRITICAL 9.8

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 10 npm packages depend on @orval/core (10 direct, 0 indirect)

Ecosystem-wide dependent count for version 7.19.0.

DescriptionGitHub Advisory

Orval generates type-safe JS clients (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification. Versions starting with 7.19.0 and prior to 7.21.0 and 8.2.0 have an incomplete fix for CVE-2026-23947. While the jsStringEscape function properly handles single quotes ('), double quotes (") and so on, it is still possible to achieve code injection using only a limited set of characters that are currently not escaped. The vulnerability lies in the fact that the application can be forced to execute arbitrary JavaScript using characters such as []()!+. By using a technique known as JSFuck, an attacker can bypass the current sanitization logic and run arbitrary code without needing any alphanumeric characters or quotes. Version 7.21.0 and 8.2.0 contain an updated fix.

AnalysisAI

Code injection in Orval TypeScript API client generator versions 7.19.0 to before 7.22.0. Generated client code may be vulnerable to injection through crafted OpenAPI specifications.

Technical ContextAI

CWE-94 in Orval. Malicious OpenAPI v3/Swagger v2 specifications can inject code into generated TypeScript clients.

RemediationAI

Update to Orval 7.22.0+.

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CVE-2026-25141 vulnerability details – vuln.today

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