CVE-2026-96759CWE-94code-injection

CVE-2026-96759

Critical · published September 23, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
35.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.00426 · 35.8th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-23T21:17Z
References (7)
https://github.com/orval-labs/orval · [email protected]https://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L784 · [email protected]https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448f · [email protected]https://github.com/orval-labs/orval/pull/4008 · [email protected]https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j · [email protected]https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationid · [email protected]https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 16:23Z
    orval before 8.29.0 Code Injection via operationId
    cvelistv5