{"id":"CVE-2026-93579","aliases":[],"cve":{"records":[{"id":"CVE-2026-93579","source":"redhat","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-18T10:35:47.090Z","published":"2026-09-18T16:38:29.480Z","modified":"2026-11-06T17:32:55.109Z"}],"publishers":[{"name":"redhat","role":"CNA","organizationId":"53f830b8-0a3f-465b-8143-3b8a9948e749","modified":"2026-11-06T17:32:55.109Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-21T20:49:52.715Z"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:69440","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:69470","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:83612","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:95221","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:95759","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:95760","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:95761","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/errata/RHSA-2026:95762","tags":["vendor-advisory","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93579","tags":["vdb-entry","x_refsource_REDHAT"],"source":"redhat"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536970","tags":["issue-tracking","x_refsource_REDHAT"],"source":"redhat"}],"weaknesses":[{"id":"CWE-1035","description":"CWE-1035","source":"redhat"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-09-21T19:48:39.163858Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Io.netty/netty-codec-http2: netty: http/2 header field values are not validated by default (cr/lf/nul passthrough)","titleSource":"redhat","descriptionSource":"redhat","description":"A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary, they can be exploited for request smuggling, header injection, or response splitting. This could lead to unauthorized access, data manipulation, or other security bypasses.","score":6.5,"severity":"medium","published":"2026-09-18T16:38:29.480Z","modified":"2026-11-06T17:32:55.109Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Red Hat","name":"Red Hat Build of Debezium 3.6","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:debezium:3.6"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.4","platforms":[],"versions":[{"version":"26.4.17-2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.4","platforms":[],"versions":[{"version":"26.4-29","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.4","platforms":[],"versions":[{"version":"26.4-30","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.4.17","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.6","platforms":[],"versions":[{"version":"26.6.8-2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.6::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.6","platforms":[],"versions":[{"version":"26.6-24","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.6::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.6","platforms":[],"versions":[{"version":"26.6-24","status":"unaffected","lessThan":"*","versionType":"rpm"}],"defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.6::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Keycloak 26.6.8","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:build_keycloak:26.6::el9"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Quarkus 3.27.5.SP2","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:quarkus:3.27::el8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Quarkus 3.33.3.SP2","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:quarkus:3.33::el8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform 8.1","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform_xp:6.0"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat AMQ Broker 7","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:amq_broker:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Apache Camel 4 for Quarkus 3","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:camel_quarkus:3"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Apache Camel for Spring Boot 4","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:camel_spring_boot:4"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat build of Apicurio Registry 3","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:apicurio_registry:3"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat Data Grid 8","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_data_grid:8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat Fuse 7","platforms":[],"versions":[],"defaultStatus":"unknown","cpes":["cpe:/a:redhat:jboss_fuse:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform 7","platforms":[],"versions":[],"defaultStatus":"unknown","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform 8","platforms":[],"versions":[],"defaultStatus":"unaffected","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:8"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat JBoss Enterprise Application Platform Expansion Pack","platforms":[],"versions":[],"defaultStatus":"affected","cpes":["cpe:/a:redhat:jbosseapxp"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"},{"vendor":"Red Hat","name":"Red Hat Single Sign-On 7","platforms":[],"versions":[],"defaultStatus":"unknown","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"}],"remediation":[{"text":"See https://github.com/netty/netty/security/advisories/GHSA-8whp-c7w8-2m72 for fixed versions and remediation guidance.","source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"}],"references":["https://access.redhat.com/errata/RHSA-2026:69440","https://access.redhat.com/errata/RHSA-2026:69470","https://access.redhat.com/errata/RHSA-2026:83612","https://access.redhat.com/errata/RHSA-2026:95221","https://access.redhat.com/errata/RHSA-2026:95759","https://access.redhat.com/errata/RHSA-2026:95760","https://access.redhat.com/errata/RHSA-2026:95761","https://access.redhat.com/errata/RHSA-2026:95762","https://access.redhat.com/security/cve/CVE-2026-93579","https://bugzilla.redhat.com/show_bug.cgi?id=2536970"],"sources":[{"name":"CVE","id":"CVE-2026-93579","modified":"2026-11-06T17:32:55.109Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"}],"assessments":[{"source":"redhat","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5}],"sourceAffected":[],"observedAt":"2026-11-06T17:56:30.203Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T00:10:33.488Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-04T15:05:36.800Z","attemptedAt":"2026-11-04T15:05:36.800Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-04T15:05:37.568Z","attemptedAt":"2026-11-04T15:05:37.568Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-04T15:05:36.922Z","attemptedAt":"2026-11-04T15:05:36.922Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-04T15:05:36.597Z","attemptedAt":"2026-11-04T15:05:36.597Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-93579","url":"https://www.first.org/epss/","probability":0.00896,"percentile":0.59663,"date":"2026-11-04","checkedAt":"2026-11-04T15:05:36.597Z"},{"source":"NVD","id":"CVE-2026-93579","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93579","modified":"2026-10-16T18:19:44.873","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-04T15:05:36.800Z"},{"source":"ENISA EUVD","id":"EUVD-2026-83169","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83169","modified":"Oct 16, 2026, 5:35:04 PM","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-04T15:05:36.922Z"},{"source":"GitHub Advisory Database","id":"GHSA-6w3j-2wqp-7r38","url":"https://github.com/advisories/GHSA-6w3j-2wqp-7r38","modified":"2026-10-15T18:31:38Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-04T15:05:37.568Z"}],"aiSummary":{"text":"Netty's HTTP/2 stack has a flaw allowing remote attackers to inject prohibited characters into HTTP/2 header field values. This could lead to unauthorized access or data manipulation when these values cross an HTTP/2 to HTTP/1.1 translation boundary. Affected products include Red Hat build of Keycloak and Red Hat Data Grid.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-06T18:01:47.047Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-93579"}]}}