CVE-2026-42580

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This flaw enables request smuggling attacks, which can allow an attacker to bypass security controls or access unauthorized information."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-42580", "package_state": [{"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Fix deferred", "package_name": "netty-codec-http2", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Fix deferred", "package_name": "openshift-serverless-1/kn-ekb-dispatcher-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Fix deferred", "package_name": 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{"cpe": "cpe:/a:redhat:amq_streams:2", "fix_state": "Fix deferred", "package_name": "netty-codec-http2", "product_name": "streams for Apache Kafka 2"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http", "product_name": "streams for Apache Kafka 3"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Fix deferred", "package_name": "netty-codec-http2", "product_name": "streams for Apache Kafka 3"}], "public_date": "2026-05-13T18:04:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-42580\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-42580\nhttps://github.com/netty/netty/security/advisories/GHSA-m4cv-j2px-7723"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.2.0.Alpha1,4.2.13.Final)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.1.133.Final)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "netty-codec-http", "source": "cna", "vendor": "io.netty"}, "product": "netty-codec-http", "vendor": "io.netty"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.2.0.Alpha1,4.2.13.Final)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.1.133.Final)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "netty", "source": "cna", "vendor": "netty"}, "product": "netty", "vendor": "netty"}], "created": "2026-05-13T19:45:03.827542+00:00", "updated": "2026-05-14T14:34:08.758752+00:00", "vendors": ["io.netty", "io.netty$PRODUCT$netty-codec-http", "netty", "netty$PRODUCT$netty"]}