{"items":[{"id":"NVI-00013089","kind":"vulnerability","title":"gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2v4p-qf9q-27wj","CVE-2026-84445"],"plain_summary":"GitHub lists this reviewed advisory for google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1512a0c51b0cf3817d535e7dc115caea"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-25T14:10:13.927Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6490d8299ffd61b90132326449b64a72"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.641%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.50764. Missing scores are unknown.","source_id":"sr-1512a0c51b0cf3817d535e7dc115caea"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5a58add59ebeb81b484778ffc7444b35","url":"https://github.com/advisories/GHSA-2v4p-qf9q-27wj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2v4p-qf9q-27wj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-6490d8299ffd61b90132326449b64a72","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84445","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-84445","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:21.684Z"},{"id":"sr-1512a0c51b0cf3817d535e7dc115caea","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-84445","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.083Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":["< 1.82.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.83.0, < 1.83.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.84.0-dev, < 1.84.0-dev.0.20260825144003-d5a41119e0e3"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.85.0-dev, < 1.85.0-dev.0.20260825072537-93e31b48545e"]}],"null_published_at":"2026-11-07T07:07:42.478Z","source_updated_at":"2026-09-25T17:42:24.000Z","source_disclosed_at":"2026-09-08T21:21:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013089","kind":"vulnerability","title":"gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2v4p-qf9q-27wj","CVE-2026-84445"],"plain_summary":"GitHub lists this reviewed advisory for google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1512a0c51b0cf3817d535e7dc115caea"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.641%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.50764. Missing scores are unknown.","source_id":"sr-1512a0c51b0cf3817d535e7dc115caea"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5a58add59ebeb81b484778ffc7444b35","url":"https://github.com/advisories/GHSA-2v4p-qf9q-27wj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2v4p-qf9q-27wj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-1512a0c51b0cf3817d535e7dc115caea","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-84445","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.083Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":["< 1.82.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.83.0, < 1.83.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.84.0-dev, < 1.84.0-dev.0.20260825144003-d5a41119e0e3"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.85.0-dev, < 1.85.0-dev.0.20260825072537-93e31b48545e"]}],"null_published_at":"2026-11-06T00:29:57.322Z","source_updated_at":"2026-09-25T17:42:24.000Z","source_disclosed_at":"2026-09-08T21:21:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013089","kind":"vulnerability","title":"gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2v4p-qf9q-27wj","CVE-2026-84445"],"plain_summary":"GitHub lists this reviewed advisory for google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc, google.golang.org/grpc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5a58add59ebeb81b484778ffc7444b35","url":"https://github.com/advisories/GHSA-2v4p-qf9q-27wj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2v4p-qf9q-27wj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":["< 1.82.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.83.0, < 1.83.2"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.84.0-dev, < 1.84.0-dev.0.20260825144003-d5a41119e0e3"]},{"certainty":"source_listed","source_ids":["sr-5a58add59ebeb81b484778ffc7444b35"],"technology":"google.golang.org/grpc","known_exclusions":[],"conditions_summary":"A vulnerability exists in gRPC-Go servers configured with `xds.NewGRPCServer()` where a crafted request missing both `:authority` and `Host` headers can cause a server panic, resulting in a Denial of Service (DoS).\n\nServers built with `xds.NewGRPCServer` install an xDS routing interceptor on every RPC. This interceptor looks up the request’s `:authority` header to pick a virtual host. The HTTP/2 server transport previously accepted requests that had neither `:authority` nor `Host`. When this happened, the xDS routing interceptor attempted to access the first element of an empty slice of authorities, leading to an index out of bounds panic. Since the per-RPC goroutine does not recover from panics, the entire server process would terminate.\n\nThis panic occurs in the interceptor pipeline, meaning the transport credentials handshake (TLS, mTLS, or ALTS) and HTTP/2 connection establishment must complete successfully before the crafted request can reach this logic.\n- Insecure/Standard TLS: If the server permits insecure (plaintext) connections or standard credentials (where client certs are not checked), any unauthenticated remote attacker can trigger the crash.\n- mTLS / ALTS: If strict ","public_affected_ranges":[">= 1.85.0-dev, < 1.85.0-dev.0.20260825072537-93e31b48545e"]}],"null_published_at":"2026-11-01T07:29:12.918Z","source_updated_at":"2026-09-25T17:42:24.000Z","source_disclosed_at":"2026-09-08T21:21:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T07:24:52.155Z"}],"next_cursor":null,"snapshot_revision":"42594"}