{"id":"CVE-2026-96759","aliases":["EUVD-2026-85409","GHSA-vg3c-9fm6-r5pj","GHSA-vv88-cm6j-665j"],"status":"published","title":"orval before 8.29.0 Code Injection via operationId","description":"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.","severity":{"version":"4.0","score":9.3,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00541,"percentile":0.45747,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-09-23T16:23:58Z","modified":"2026-10-28T02:31:00Z","products":[{"vendor":"orval-labs","product":"orval"}],"references":[{"url":"https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://github.com/orval-labs/orval/pull/4008","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448f","tags":["patch","fix"]},{"url":"https://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L784","tags":["technical-description","article"]},{"url":"https://github.com/orval-labs/orval","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationid","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96759","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vg3c-9fm6-r5pj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96759.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-96759","title":"orval before 8.29.0 Code Injection via operationId","description":"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.","status":"published","published":"2026-09-23T16:23:58.251Z","modified":"2026-09-29T02:01:12.244Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:20:00.511569Z"}],"euvd":[{"id":"EUVD-2026-85409","description":"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.","status":"published","published":"2026-09-23T16:23:58Z","modified":"2026-09-29T02:01:12Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T17:27:52.759804Z"}],"ghsa":[{"id":"GHSA-vg3c-9fm6-r5pj","title":"orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated...","description":"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.","status":"published","published":"2026-09-23T18:31:57Z","modified":"2026-09-23T18:32:05Z","cvss":[{"version":"4.0","score":9.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:12:21.120874Z"}],"nvd":[{"id":"CVE-2026-96759","description":"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.","status":"published","published":"2026-09-23T17:17:25.25Z","modified":"2026-09-29T02:16:56.497Z","cvss":[{"version":"4.0","score":9.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:50.703874Z"}],"osv":[{"id":"CVE-2026-96759","title":"orval before 8.29.0 Code Injection via operationId","description":"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.","status":"published","published":"2026-09-23T16:23:58.251Z","modified":"2026-10-28T02:31:00.747358702Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:45:21.262447Z"}]}}