grpc: enforce strict path checking for incoming requests on the server (#8981)#1
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saswatamcode merged 1 commit intothanos-community:membuffer_limitedfrom Mar 31, 2026
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grpc#8981) RELEASE NOTES: * server: fix an authorization bypass where malformed :path headers (missing the leading slash) could bypass path-based restricted "deny" rules in interceptors like `grpc/authz`. Any request with a non-canonical path is now immediately rejected with an `Unimplemented` error.
saswatamcode
approved these changes
Mar 30, 2026
MichaHoffmann
approved these changes
Mar 31, 2026
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Cherry-picks the upstream fix for CVE-2026-33186 (CVSS 9.1) from grpc#8985 onto the membuffer_limited branch.