High severity8.2NVD Advisory· Published Mar 24, 2026· Updated Jun 1, 2026
CVE-2026-33331
CVE-2026-33331
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@orpc/openapinpm | < 1.13.9 | 1.13.9 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/middleapi/orpc/commit/4f0efa8a1d3fa8e8317a4b03cc3945a5dfd68addnvdPatchWEB
- github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8nvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-7f6v-3gx7-27q8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33331ghsaADVISORY
- github.com/middleapi/orpc/releases/tag/v1.13.9nvdProductRelease NotesWEB
News mentions
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