CVE-2026-96759

CRITICAL CVSS 4.0: 9.3 EPSS 0.43%
Updated Sep 29, 2026
Orval
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions before 8.29.0
Fixed In 8.29.0
Type CWE-94 (Code Injection)
Vendor Orval
Public PoC No

orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects. Attackers can inject arbitrary JavaScript code through a crafted operationId in an OpenAPI specification that executes when generated hooks are called.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Orval Orval
cpe:2.3:a:orval:orval:*:*:*:*:*:*:*:*
— 8.29.0

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