CVE-2026-96757
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- 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
CWEs
CWE-94
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.