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CVE-2026-96757

orval before 8.29.0 Code Injection via unescaped OpenAPI media-type

CVSS 4.0 9.3 CRITICALCVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-96757

Published

orval before 8.29.0 fails to escape OpenAPI media-type keys when emitting them into single-quoted Content-Type string literals in generated code. Attackers can inject JavaScript through crafted media-type keys in OpenAPI specifications that executes when generated fetch operations or mock resolvers are invoked.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-96757

Published

orval

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "orval-labs",
                    "product": "orval",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/orval",
                    "versions": [
                        {
                            "version": "6.7.1",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "8.29.0"
                        },
                        {
                            "version": "8.29.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON