Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Vulnerability Details File: internal/client/handler.go OnClientConnecting, internal/proxy/http.go requestHeaders, internal/proxy/grpc.go requestMetadata, internal/unigrpc/grpc.go Consume Line: handler.go:389,548-552 e.Headers - SetEmulatedHeadersToContext, http.go:131-165 requestHeaders,...

GHSA-9468-V6MJ-FPPW Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Vulnerability Details File: internal/client/handler.go OnClientConnecting, internal/proxy/http.go requestHeaders, internal/proxy/grpc.go requestMetadata, internal/unigrpc/grpc.go Consume Line: handler.go:389,548-552 e.Headers - SetEmulatedHeadersToContext, http.go:131-165 requestHeaders,...

EUVD-2026-63649

Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends...

CVE-2026-71485

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

CVE-2026-71485 Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

CVE-2026-71485 Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

CVE-2026-71485

Centrifugo (open-source real-time messaging server) prior to 6.9.0 contains a header spoofing vulnerability in its proxy and transport layers. The client-controlled protocol.ConnectRequest.headers map is copied through OnClientConnecting, ConnectEvent.Headers, and SetEmulatedHeadersToContext, and...

CVE-2026-71485 Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

CVE-2026-71485: Authentication Bypass by Spoofing

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

PT-2026-79145

Name of the Vulnerable Software and Affected Versions Centrifugo versions prior to 6.9.0 Description Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The...

SUSE CVE-2026-49998

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not...

CVE-2026-62963

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

CVE-2026-49998

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not...

CVE-2026-62963

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

CVE-2026-62963 Centrifugo: Decompression bomb DoS via permessage-deflate in unidirectional WebSocket transport

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

CVE-2026-62963

CVE-2026-62963 affects Centrifugo prior to 6.8.4. The unidirectional WebSocket transport with uni_websocket.compression enabled did not cap output after decompression in ReadMessage (internal/websocket/conn.go advanceFrame), allowing unauthenticated requests to /connection/uni_websocket to trigge...

CVE-2026-62963 Centrifugo: Decompression bomb DoS via permessage-deflate in unidirectional WebSocket transport

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

EUVD-2026-45016

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

CVE-2026-62963 Centrifugo: Decompression bomb DoS via permessage-deflate in unidirectional WebSocket transport

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.4, Centrifugo unidirectional WebSocket transport with uniwebsocket.compression enabled enforced uniwebsocket.messagesizelimit against compressed wire-frame length in internal/websocket/conn.go advanceFrame, but...

EUVD-2026-45015

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not...