CVE-2026-33331

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.

• CWE-79

• https://github.com/middleapi/orpc/commit/4f0efa8a1d3fa8e8317a4b03cc3945a5dfd68addPatch
• https://github.com/middleapi/orpc/releases/tag/v1.13.9Product, Release Notes
• https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8Exploit, Mitigation, Vendor Advisory
• https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8Exploit, Mitigation, Vendor Advisory

Published

Mar 24, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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