{"id":"CVE-2026-96759","title":"orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects","summary":"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 spe…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"vendor":"orval-labs","product":"orval","affected":["orval < 8.29.0"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T18:16:08.337","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96759","references":[{"url":"https://github.com/orval-labs/orval","label":"disclosure@vulncheck.com"},{"url":"https://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L784","label":"disclosure@vulncheck.com"},{"url":"https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448f","label":"disclosure@vulncheck.com"},{"url":"https://github.com/orval-labs/orval/pull/4008","label":"disclosure@vulncheck.com"},{"url":"https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationid","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-23T17:28:14.858Z","slug":"CVE-2026-96759","body":"## Overview\n\norval 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}