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The resulting out-of-memory termination restarts the controller, re-reconciles the persistent custom resource, and can create a persistent cross-tenant control-plane outage. This issue is fixed in versions 1.7.4 and 1.8.1.","state":0,"publishedAt":"2026-09-14T20:15:51.441+00:00","modifiedAt":"2026-09-16T16:21:20.674+00:00","affected":[{"ecosystem":"Vendor product","name":"gateway","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"envoyproxy\",\n                    \"product\": \"gateway\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.7.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 1.8.0-rc.0, < 1.8.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/envoyproxy/gateway/security/advisories/GHSA-cxpq-8v7q-cg56","https://github.com/envoyproxy/gateway/pull/9171","https://github.com/envoyproxy/gateway/pull/9172","https://github.com/envoyproxy/gateway/pull/9173","https://github.com/envoyproxy/gateway/commit/5a78db82b7cf4fc5bebbeda2c50952892038a464","https://github.com/envoyproxy/gateway/commit/96e2b750868a459ace4b8b68e6a6e4fb0152b9b7","https://github.com/envoyproxy/gateway/commit/b4737180c7e597490c6363075c565fa8cf24eead","https://github.com/envoyproxy/gateway/releases/tag/v1.7.4","https://github.com/envoyproxy/gateway/releases/tag/v1.8.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53716","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53716","identifiers":["CVE-2026-53716"]},"retained":false,"historicalAffected":[]},{"revision":"a349da40ef374744af24d8bddb71f0a2","observedAt":"2026-11-11T13:10:50.146+00:00","statement":{"source":"euvd","id":"EUVD-2026-78079","aliases":["CVE-2026-53716","GHSA-cxpq-8v7q-cg56"],"title":"Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. 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This issue is fixed in versions 1.7.4 and 1.8.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":null}],"references":["https://github.com/envoyproxy/gateway/security/advisories/GHSA-cxpq-8v7q-cg56","https://github.com/envoyproxy/gateway/pull/9171","https://github.com/envoyproxy/gateway/pull/9172","https://github.com/envoyproxy/gateway/pull/9173","https://github.com/envoyproxy/gateway/commit/5a78db82b7cf4fc5bebbeda2c50952892038a464","https://github.com/envoyproxy/gateway/commit/96e2b750868a459ace4b8b68e6a6e4fb0152b9b7","https://github.com/envoyproxy/gateway/commit/b4737180c7e597490c6363075c565fa8cf24eead","https://github.com/envoyproxy/gateway/releases/tag/v1.7.4","https://github.com/envoyproxy/gateway/releases/tag/v1.8.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-78079","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 14, 2026, 8:15:51 PM","dateUpdated":"Sep 16, 2026, 4:21:20 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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Prior to 1.7.4 and 1.8.1, getFileFromGZ in internal/wasm/httpfetcher.go calls io.ReadAll on a gzip.Reader without limiting decompressed output when a tenant-controlled EnvoyExtensionPolicy.spec.wasm[].code.http.url points to a reachable compressed Wasm payload. The 256 MiB compressed-input cap does not constrain the expanded size, no operator Wasm URL allowlist exists, and the optional sha256 check occurs only after decompression, so a comparatively small gzip stream can force a multi-gigabyte allocation in the shared controller. The resulting out-of-memory termination restarts the controller, re-reconciles the persistent custom resource, and can create a persistent cross-tenant control-plane outage. This issue is fixed in versions 1.7.4 and 1.8.1.","state":0,"publishedAt":"2026-09-14T21:17:12.983+00:00","modifiedAt":"2026-09-30T17:43:24.057+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/envoyproxy/gateway/commit/5a78db82b7cf4fc5bebbeda2c50952892038a464","https://github.com/envoyproxy/gateway/commit/96e2b750868a459ace4b8b68e6a6e4fb0152b9b7","https://github.com/envoyproxy/gateway/commit/b4737180c7e597490c6363075c565fa8cf24eead","https://github.com/envoyproxy/gateway/pull/9171","https://github.com/envoyproxy/gateway/pull/9172","https://github.com/envoyproxy/gateway/pull/9173","https://github.com/envoyproxy/gateway/releases/tag/v1.7.4","https://github.com/envoyproxy/gateway/releases/tag/v1.8.1","https://github.com/envoyproxy/gateway/security/advisories/GHSA-cxpq-8v7q-cg56"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53716","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-789"],"productCriteria":[],"sourceDates":{"published":"2026-09-14T21:17:12.983","lastModified":"2026-09-30T17:43:24.057"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-53716","identifiers":["CVE-2026-53716"]},"retained":false,"historicalAffected":[]},{"revision":"8b5dfe4d7f214dbb85679435ea802d0e","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-cxpq-8v7q-cg56","aliases":["BIT-envoy-gateway-2026-53716","CVE-2026-53716","GO-2026-6006"],"title":"Envoy Gateway: Wasm HTTP fetch decompresses gzip without output-size limit","description":"Vulnerability report without repro case. Repro case may be added later after harness is complete.\n\n**Preconditions (4):**\n- Tenant can create EnvoyExtensionPolicy (baseline)\n- Attacker hosts a gzip-bomb at a reachable URL\n- sha256 unset (optional field; check is post-decompression anyway)\n- No operator Wasm-URL allowlist (none exists in code)\n\n**Description**\n\ngetFileFromGZ calls io.ReadAll on a raw gzip.Reader (httpfetcher.go:216) with no output bound, while the compressed input is capped at 256 MiB (httpfetcher.go:139). The bytes originate from a tenant-controlled EnvoyExtensionPolicy.spec.wasm[].code.http.url (envoyextensionpolicy.go:1077 → cache.go:248 → httpfetcher.go:147 → :233), so an untrusted tenant can point at a ~10 MiB gzip-of-zeros and force ~10 GiB allocation in the shared controller process. All candidate guards execute either before the body is buffered or after decompression. OOM-kills, restarts, re-reconciles same CR, crash-loops — persistent cross-tenant control-plane outage with PR:L/AC:L and scope change → HIGH despite availability-only.","state":0,"publishedAt":"2026-07-16T19:18:08+00:00","modifiedAt":"2026-09-21T09:40:46.8547979+00:00","affected":[{"ecosystem":"Go","name":"github.com/envoyproxy/gateway","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.8.0-rc.0"},{"kind":"fixed","version":"1.8.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/envoyproxy/gateway","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.7.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/envoyproxy/gateway/security/advisories/GHSA-cxpq-8v7q-cg56","https://github.com/envoyproxy/gateway"],"sourceUrl":"https://github.com/advisories/GHSA-cxpq-8v7q-cg56","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cxpq-8v7q-cg56","identifiers":["GHSA-cxpq-8v7q-cg56","BIT-envoy-gateway-2026-53716","CVE-2026-53716","GO-2026-6006"]},"retained":false,"historicalAffected":[]},{"revision":"2bfdad9dafdf4faeb0acde797693d152","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6006","aliases":["BIT-envoy-gateway-2026-53716","CVE-2026-53716","GHSA-cxpq-8v7q-cg56"],"title":"Envoy Gateway: Wasm HTTP fetch decompresses gzip without output-size limit in github.com/envoyproxy/gateway","description":"Envoy Gateway: Wasm HTTP fetch decompresses gzip without output-size limit in github.com/envoyproxy/gateway","state":0,"publishedAt":"2026-07-17T19:42:05+00:00","modifiedAt":"2026-09-21T09:40:46.8547979+00:00","affected":[{"ecosystem":"Go","name":"github.com/envoyproxy/gateway","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.7.4"},{"kind":"introduced","version":"1.8.0-rc.0"},{"kind":"fixed","version":"1.8.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/envoyproxy/gateway/security/advisories/GHSA-cxpq-8v7q-cg56"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6006","license":"OSV · upstream source license applies","key":"osv:GO-2026-6006","identifiers":["GO-2026-6006","BIT-envoy-gateway-2026-53716","CVE-2026-53716","GHSA-cxpq-8v7q-cg56"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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