Vulnerability library
Security checkSeptember 17, 2026

oRPC: Vary Header Injection in CORS Plugin leading to potential Cache/CORS Bypass

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Medium severitynpm@orpc/server

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Description

A flaw in the CORS plugin allowed the incoming request’s Vary header to be reflected into the response, letting a client influence a header that should be controlled solely by the server.

Recommendation

Update the @orpc/server package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 1.14.7
  • Patched version(s): 1.14.8

References

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Related Issues

See something that needs correcting? Let us knowUpdated September 17, 2026