Vulnerability Description
oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to version 1.13.9, a stored cross-site scripting (XSS) vulnerability exists in the OpenAPI documentation generation of orpc. If an attacker can control any field within the OpenAPI specification (such as info.description), they can break out of the JSON context and execute arbitrary JavaScript when a user views the generated API documentation. This issue has been patched in version 1.13.9.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Orpc | Orpc | < 1.13.9 |
Related Weaknesses (CWE)
References
- https://github.com/middleapi/orpc/commit/4f0efa8a1d3fa8e8317a4b03cc3945a5dfd68adPatch
- https://github.com/middleapi/orpc/releases/tag/v1.13.9ProductRelease Notes
- https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8ExploitMitigationVendor Advisory
- https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-33331?
CVE-2026-33331 is a vulnerability with a CVSS score of 8.2 (HIGH). oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to version 1.13.9, a stored cross-site scripting (XSS) vulnerability exists in the OpenAPI do...
How severe is CVE-2026-33331?
CVE-2026-33331 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33331?
Check the references section above for vendor advisories and patch information. Affected products include: Orpc Orpc.