CVE-2026-96757
CRITICALCVSS 9.8Description
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.
Timeline
Published:September 23rd, 2026 5:17 PM
Last modified:September 23rd, 2026 6:17 PM
CVSS Scoring
CVSS v3: 9.8 (CRITICAL)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/orval-labs/orval
- https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584
- https://github.com/orval-labs/orval/commit/43af282d62dca0ef3140023741fb768f6a718adb
- https://github.com/orval-labs/orval/commit/a2d4af59f3b167dc8a7a65d15f51cdb89ebe2fe5
- https://github.com/orval-labs/orval/pull/4007
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
- https://github.com/orval-labs/orval/security/advisories/GHSA-rcpr-mq4m-jx9j
- https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-unescaped-openapi-media-type
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
Source: NIST NVD · Data may lag official sources by up to one minute