envoyproxy envoy

98 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2026-73511< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: Potential path-matching/authentication bypass when using Envoy in combination with a backend stripping per-segment path (matrix) p…MEDIUM 5.30.4 %
CVE-2026-73553< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: RBAC Authorization Bypass via Path ParametersHIGH 7.50.5 %
CVE-2026-73551< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: Path normalization does not handle dot and dotdot segments with parametersMEDIUM 5.30.5 %
CVE-2026-73546< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: Stored XSS in Admin Stats Interface (/stats?format=html)HIGH 7.40.6 %
CVE-2026-73512< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: use-after-free in QUIC on internal redirectsHIGH 7.50.9 %
CVE-2026-73550< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: HTTP/2 Discarded Host Header 200 GB Header-Copy OOM in EnvoyHIGH 7.50.6 %
CVE-2026-73547< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy ext_authz: request `:path` pseudoheader dereferenced w/o null checkHIGH 7.50.6 %
CVE-2026-48521< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: HTTP/3 connection pool selection null-derefs in ProdClusterManagerFactory::allocateConnPool when transport_socket_options is nullMEDIUM 5.90.7 %
CVE-2026-73549< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy - Incomplete fix for CVE-2026-26310: copyInternetAddressAndPort crashes on scoped IPv6 addresses in ORIGINAL_DST clustersMEDIUM 5.30.6 %
CVE-2026-73513< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: oghttp2 upstream trailers incorrect handlingHIGH 7.50.5 %
CVE-2026-73552< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: HTTP RBAC safe_regex can fail open on RFC-valid obs-text header valuesHIGH 7.50.5 %
CVE-2026-73548< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: Cross-user response poisoning via a generic (non-WebSocket) HTTP upgrade on Envoy's shared backend poolHIGH 7.50.5 %
CVE-2026-50572< 1.36.10 ; >= 1.37.0, < 1.37.6 ; >= 1.38.0, < 1.38.4 ; …Envoy: ext_authz - RawHttpClientImpl onSuccess 0x0 segfaultMEDIUM 5.90.7 %
CVE-2026-48090>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5Envoy HTTP: OAuth2 filter late async token completion after stream teardown (UAF / crash risk)MEDIUM 5.90.6 %
CVE-2026-47220>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5Envoy: Segmentation fault when using %REQUESTED_SERVER_NAME% in log formatHIGH 7.50.7 %
CVE-2026-47205>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9Envoy: ext_authz Use-After-Free during Stream Teardown with Per-Route OverridesMEDIUM 5.90.4 %
CVE-2026-47692>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9 ; …Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application…MEDIUM 4.80.2 %
CVE-2026-47207>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9 ; …Envoy crashes if multiple unexpected ext_proc responses are packed into one gRPC messageMEDIUM 6.50.4 %
CVE-2026-48706>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9 ; …Envoy Heap Buffer Overflow in TcpStatsdSinkHIGH 7.50.6 %
CVE-2026-47204>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9 ; …Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routesHIGH 7.50.4 %
CVE-2026-47221>= 1.38.0, < 1.38.3 ; >= 1.37.0, < 1.37.5 ; >= 1.36.0, < 1.36.9 ; …Envoy: Null pointer deref in internal redirectsHIGH 7.50.4 %
CVE-2026-48743>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy: HTTP/3 to HTTP/1 request smuggling via headers-only request with nonzero Content-LengthHIGH 7.50.3 %
CVE-2026-48497>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy: Abnormal process termination in DNS UDP filterHIGH 7.50.4 %
CVE-2026-48044>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy Zstd Decompressor: Ratio Check at Wrong Loop Depth lead to memory explosionHIGH 7.50.5 %
CVE-2026-48042>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy: Stack overflow in destructor of highly nested JSONHIGH 7.50.6 %
CVE-2026-47778>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy: Embedded NUL in TLS DNS SAN Truncation in the Default TLS Certificate Validator. (Auth Bypass)MEDIUM 4.40.2 %
CVE-2026-47775>= 1.38.0, < 1.38.1 ; >= 1.37.0, < 1.37.3 ; >= 1.36.0, < 1.36.7 ; …Envoy OAuth2 Filter: Padding Oracle via AES-256-CBC Cookie DecryptionMEDIUM 6.80.2 %
CVE-2026-47774< 1.35.11 ; >= 1.36.0, < 1.36.7 ; >= 1.37.0, < 1.37.3 ; …Envoy vulnerable to HTTP/2 memory exhaustion via cookie header size bypass and HPACK amplificationHIGH 7.51.0 %
CVE-2026-26330>= 1.37.0, < 1.37.1 ; >= 1.36.0, < 1.36.5 ; >= 1.35.0, < 1.35.9 ; …Envoy global rate limit may crash when the response phase limit is enabled and the response phase request is failed directlyHIGH 7.50.3 %
CVE-2026-26311>= 1.37.0, < 1.37.1 ; >= 1.36.0, < 1.36.5 ; >= 1.35.0, < 1.35.9 ; …Envoy HTTP: filter chain execution on reset streams causing UAF crashMEDIUM 5.90.4 %
CVE-2026-26310>= 1.37.0, < 1.37.1 ; >= 1.36.0, < 1.36.5 ; >= 1.35.0, < 1.35.9 ; …Crash for scoped ip address in Envoy during DNSHIGH 7.50.4 %
CVE-2026-26309>= 1.37.0, < 1.37.1 ; >= 1.36.0, < 1.36.5 ; >= 1.35.0, < 1.35.9 ; …Envoy has an off-by-one write in JsonEscaper::escapeString()MEDIUM 5.30.4 %
CVE-2026-26308>= 1.37.0, < 1.37.1 ; >= 1.36.0, < 1.36.5 ; >= 1.35.0, < 1.35.9 ; …Envoy has an RBAC Header Validation Bypass via Multi-Value Header ConcatenationHIGH 8.20.3 %
CVE-2025-66220>= 1.36.0, <= 1.36.2 ; >= 1.35.0, <= 1.35.6 ; >= 1.34.0, <= 1.34.10 ; …Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byteHIGH 7.10.2 %
CVE-2025-64763>= 1.36.0, <= 1.36.2 ; >= 1.35.0, <= 1.35.6 ; >= 1.34.0, <= 1.34.10 ; …Envoy forwards early CONNECT data in TCP proxy modeMEDIUM 5.30.3 %
CVE-2025-64527>= 1.36.0, <= 1.36.2 ; >= 1.35.0, <= 1.35.6 ; >= 1.34.0, <= 1.34.10 ; …Envoy crashes when JWT authentication is configured with the remote JWKS fetchingMEDIUM 6.50.5 %
CVE-2025-62504>= 1.36.0, <= 1.36.1 ; >= 1.350, <= 1.35.5 ; >= 1.34.0, <= 1.34.9 ; …Envoy Lua filter use-after-free when oversized rewritten response body causes crashHIGH 7.50.4 %
CVE-2025-62409>= 1.36.0, < 1.36.1 ; >= 1.35.0, < 1.35.5 ; >= 1.34.0, < 1.34.9 ; …Envoy allows large requests and responses to cause TCP connection pool crashMEDIUM 6.60.5 %
CVE-2025-55162>= 1.35.0, < 1.35.1 ; >= 1.34.0, < 1.34.5 ; >= 1.33.0, < 1.33.7 ; …Envoy: oAuth2 Filter Signout route will not clear cookies because of missing "secure;" flagHIGH 8.80.3 %
CVE-2025-54588>= 1.34.0, < 1.34.5 ; >= 1.35.0, < 1.35.1Envoy: Race condition in Dynamic Forward Proxy leads to use-after-free and segmentation faultsHIGH 7.50.5 %
CVE-2025-46821< 1.31.8 ; >= 1.32.0, < 1.32.6 ; >= 1.33.0, < 1.33.3 ; …Envoy vulnerable to bypass of RBAC uri_template permissionMEDIUM 5.30.3 %
CVE-2025-30157>= 1.33.0, < 1.33.1 ; >= 1.32.0, < 1.32.4 ; >= 1.31.0, < 1.31.6 ; …Envoy crashes when HTTP ext_proc processes local repliesHIGH 7.50.4 %
CVE-2024-53271>= 1.31.0, < 1.31.5 ; >= 1.32.0, < 1.32.3HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoyHIGH 7.10.6 %
CVE-2024-53270>= 1.32.0, < 1.32.3 ; >= 1.31.0, < 1.31.5 ; >= 1.30.0, < 1.30.9 ; …HTTP/1: sending overload crashes when the request is reset beforehand in envoyHIGH 7.50.7 %
CVE-2024-53269>= 1.32.0, < 1.32.2 ; >= 1.31.0, < 1.31.4 ; >= 1.30.0, < 1.30.8Happy Eyeballs: Validate that additional_address are IP addresses instead of crashing when sorting in envoyHIGH 7.50.7 %
CVE-2024-45806>= 1.31.0, < 1.31.2 ; >= 1.30.0, < 1.30.6 ; >= 1.29.0, < 1.29.9 ; …Potential manipulate `x-envoy` headers from external sources in envoyMEDIUM 6.50.4 %
CVE-2024-45807>= 1.31.0, < 1.31.2oghttp2 crash on OnBeginHeadersForStream in envoyHIGH 7.50.5 %
CVE-2024-45808>= 1.31.0, < 1.31.2 ; >= 1.30.0, < 1.30.6 ; >= 1.29.0, < 1.29.9 ; …Malicious log injection via access logs in envoyMEDIUM 6.50.4 %
CVE-2024-45809>= 1.29.0, < 1.29.9 ; >= 1.30.0, < 1.30.6 ; >= 1.31.0, < 1.31.2Jwt filter crash in the clear route cache with remote JWKs in envoyHIGH 7.50.4 %
CVE-2024-45810< 1.28.7 ; >= 1.29.0, < 1.29.9 ; >= 1.30.0, < 1.30.6 ; …Envoy crashes for LocalReply in http async clientHIGH 7.50.6 %
CVE-2024-39305>= 1.30.0, < 1.30.4 ; >= 1.29.0, < 1.29.7 ; >= 1.28.0, < 1.28.5 ; …Envoy Proxy use after free when route hash policy is configured with cookie attributesCRITICAL 9.10.6 %
CVE-2024-32974>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy affected by a crash in EnvoyQuicServerStream::OnInitialHeadersComplete()HIGH 7.50.7 %
CVE-2024-32975>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy crashes in QuicheDataReader::PeekVarInt62Length()HIGH 7.50.7 %
CVE-2024-32976>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy can enter an endless loop while decompressing Brotli data with extra inputHIGH 7.50.7 %
CVE-2024-34362>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy affected by a crash (use-after-free) in EnvoyQuicServerStreamMEDIUM 5.90.6 %
CVE-2024-34363>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3Envoy can crash due to uncaught nlohmann JSON exceptionHIGH 7.50.7 %
CVE-2024-34364>= 1.30.0, <= 11.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy OOM vector from HTTP async client with unbounded response buffer for mirror responseMEDIUM 6.50.5 %
CVE-2024-23326>= 1.13.0, <= 1.30.1 ; >= 1.29.0, <= 1.29.4 ; >= 1.28.0, <= 1.28.3 ; …Envoy incorrectly accepts HTTP 200 response for entering upgrade modeHIGH 8.20.4 %
CVE-2024-32475>= 1.30.0, < 11.30.1 ; >= 1.29.0, < 1.29.4 ; >= 1.28.0, < 1.28.3 ; …Envoy RELEASE_ASSERT using auto_sni with :authority header > 255 bytesHIGH 7.50.7 %
CVE-2024-30255>= 1.29.0, < 1.29.3 ; >= 1.28.0, < 1.28.2 ; >= 1.27.0, < 1.27.4 ; …HTTP/2: CPU exhaustion due to CONTINUATION frame floodHIGH 7.588 %
CVE-2024-27919>= 1.29.0, < 1.29.2HTTP/2: memory exhaustion due to CONTINUATION frame floodHIGH 7.587 %
CVE-2024-23322>= 1.29.0, < 1.29.1 ; >= 1.28.0, < 1.28.1 ; >= 1.27.0, < 1.27.3 ; …Envoy crashes when idle and request per try timeout occur within the backoff intervalHIGH 7.50.7 %
CVE-2024-23323>= 1.29.0, < 1.29.1 ; >= 1.28.0, < 1.28.1 ; >= 1.27.0, < 1.27.3 ; …Excessive CPU usage when URI template matcher is configured using regex in EnvoyMEDIUM 5.30.5 %
CVE-2024-23324>= 1.29.0, < 1.29.1 ; >= 1.28.0, < 1.28.1 ; >= 1.27.0, < 1.27.3 ; …Envoy ext auth can be bypassed when Proxy protocol filter sets invalid UTF-8 metadataHIGH 8.60.6 %
CVE-2024-23325>= 1.29.0, < 1.29.1 ; >= 1.28.0, < 1.28.1 ; >= 1.27.0, < 1.27.3 ; …Envoy crashes when using an address type that isn’t supported by the OSHIGH 7.50.8 %
CVE-2024-23327>= 1.29.0, < 1.29.1 ; >= 1.28.0, < 1.28.1 ; >= 1.27.0, < 1.27.3 ; …Crash in proxy protocol when command type of LOCAL in EnvoyHIGH 7.50.7 %
CVE-2023-35944>= 1.26.0, < 1.26.4 ; >= 1.25.0, < 1.25.9 ; >= 1.24.0, < 1.24.10 ; …Envoy vulnerable to incorrect handling of HTTP requests and responses with mixed case schemesHIGH 8.20.7 %
CVE-2023-35943>= 1.26.0, < 1.26.4 ; >= 1.25.0, < 1.25.9 ; >= 1.24.0, < 1.24.10 ; …Envoy vulnerable to CORS filter segfault when origin header is removedHIGH 7.50.7 %
CVE-2023-35942>= 1.26.0, < 1.26.4 ; >= 1.25.0, < 1.25.9 ; >= 1.24.0, < 1.24.10 ; …Envoy's gRPC access log crash caused by the listener drainingMEDIUM 6.50.9 %
CVE-2023-35941>= 1.26.0, < 1.26.4 ; >= 1.25.0, < 1.25.9 ; >= 1.24.0, < 1.24.10 ; …Envoy vulnerable to OAuth2 credentials exploit with permanent validityCRITICAL 9.80.8 %
CVE-2023-35945>= 1.26.0, < 1.26.3 ; >= 1.25.0, < 1.25.8 ; >= 1.24.0, < 1.24.9 ; …Envoy vulnerable to HTTP/2 memory leak in nghttp2 codecHIGH 7.51.7 %
CVE-2023-27496>= 1.25.0, < 1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy may crash when a redirect url without a state param is received in the oauth filterHIGH 7.50.8 %
CVE-2023-27493>= 1.25.0, < 1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy doesn't escape HTTP header valuesCRITICAL 9.10.5 %
CVE-2023-27492>= 1.25.0, < 1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy may crash when a large request body is processed in Lua filterMEDIUM 6.50.7 %
CVE-2023-27491>= 1.25.0, < 1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy forwards invalid Http2/Http3 downstream headersCRITICAL 9.10.9 %
CVE-2023-27488>= 1.25.0, <1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy gRPC client produces invalid protobuf when an HTTP header with non-UTF8 value is received.CRITICAL 9.80.7 %
CVE-2023-27487>= 1.25.0, <1.25.3 ; >= 1.24.0, < 1.24.4 ; >= 1.23.0, < 1.23.6 ; …Envoy client may fake the header `x-envoy-original-path`CRITICAL 9.10.6 %
CVE-2022-29227< 1.22.1Use after free in EnvoyHIGH 7.51.2 %
CVE-2022-29226< 1.22.1Trivial authentication bypass in EnvoyCRITICAL 10.01.3 %
CVE-2022-29228< 1.22.1Reachable assertion in EnvoyHIGH 7.51.3 %
CVE-2022-29225< 1.22.1Zip bomb vulnerability in EnvoyHIGH 7.51.6 %
CVE-2022-29224< 1.22.1Segmentation fault leading to crash in EnvoyMEDIUM 5.91.0 %
CVE-2021-43826< 1.18.6 ; >= 1.19.0, < 1.19.3 ; >= 1.20.0, < 1.20.2 ; …Crash when tunneling TCP over HTTP in EnvoyHIGH 7.51.1 %
CVE-2021-43825< 1.18.6 ; >= 1.19.0, < 1.19.3 ; >= 1.20.0, < 1.20.2 ; …Use-after-free in EnvoyHIGH 7.50.9 %
CVE-2022-21655< 1.18.6 ; >= 1.19.0, < 1.19.3 ; >= 1.20.0, < 1.20.2 ; …Incorrect handling of internal redirects results in crash in EnvoyHIGH 7.51.1 %
CVE-2022-21654>= 1.7.0, < 1.18.6 ; >= 1.19.0, < 1.19.3 ; >= 1.20.0, < 1.20.2 ; …Incorrect configuration handling allows TLS session re-use without re-validation in EnvoyCRITICAL 9.81.1 %
CVE-2022-21657>= 1.20.0, < 1.20.2 ; >= 1.19.0, < 1.19.3 ; < 1.18.6X.509 Extended Key Usage and Trust Purposes bypass in EnvoyMEDIUM 6.80.5 %
CVE-2022-21656< 1.20.2X.509 subjectAltName matching bypass in EnvoyHIGH 7.40.7 %
CVE-2022-23606>= 1.20.0, < 1.20.2 ; >= 1.21.0, < 1.21.1Crash when a cluster is deleted in EnvoyMEDIUM 6.51.0 %
CVE-2021-43824>= 1.20.0, < 1.20.2 ; >= 1.19.0, < 1.19.3 ; < 1.18.6 ; …Null pointer dereference in envoyHIGH 7.51.1 %
CVE-2021-32780>= 1.19.0, < 1.19.1 ; >= 1.18.0, < 1.18.4Incorrect handling of H/2 GOAWAY followed by SETTINGS framesHIGH 8.61.2 %
CVE-2021-32781>= 1.19.0, < 1.19.1 ; >= 1.18.0, < 1.18.4 ; >= 1.17.0, < 1.17.4 ; …Continued processing of requests after locally generated responseHIGH 8.61.3 %
CVE-2021-32779>= 1.19.0, < 1.19.1 ; >= 1.18.0, < 1.18.4 ; >= 1.17.0, < 1.17.4 ; …Incorrectly handling of URI '#fragment' element as part of the path elementHIGH 8.60.9 %
CVE-2021-32778>= 1.19.0, < 1.19.1 ; >= 1.18.0, < 1.18.4 ; >= 1.17.0, < 1.17.4 ; …Excessive CPU utilization when closing HTTP/2 streamsHIGH 7.51.2 %
CVE-2021-32777>= 1.19.0, < 1.19.1 ; >= 1.18.0, < 1.18.4 ; >= 1.17.0, < 1.17.4 ; …Incorrect concatenation of multiple value request headers in ext-authz extensionHIGH 8.63.3 %
CVE-2021-29492<= 1.18.2Bypass of path matching rules using escaped slash charactersHIGH 8.363 %
CVE-2021-21378= 1.17.0JWT authentication bypass with unknown issuer tokenHIGH 8.21.7 %
CVE-2020-15104< 1.12.6 ; >= 1.13.0, < 1.13.4 ; >= 1.14.0, < 1.14.4TLS Validation Vulnerability in EnvoyMEDIUM 5.40.3 %