CVE-2026-96757

Summary

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.

Affected Software

Weaknesses

• CWE-94: Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p

References

• 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://github.com/orval-labs/orval/pull/4007
• https://github.com/orval-labs/orval/commit/43af282d62dca0ef3140023741fb768f6a718adb
• https://github.com/orval-labs/orval/commit/a2d4af59f3b167dc8a7a65d15f51cdb89ebe2fe5
• https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584
• https://github.com/orval-labs/orval
• https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-unescaped-openapi-media-type

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