{"schemaVersion":3,"id":"CVE-2024-10039","aliases":["CGA-28j7-mpcw-72pm","CGA-2mw6-622m-w286","CGA-4cg8-m2gw-fmqr","CGA-5qfv-5wv6-vcp4","CGA-6xm4-jgx7-h4p5","CGA-gm65-gvq4-83vv","CGA-j26v-qpvr-p2f6","CGA-xrmf-27gg-jhwq","GHSA-93ww-43rr-79v3"],"status":"published","duplicateOf":null,"title":null,"description":"Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination\n\nA vulnerability was found in Keycloak. Deployments of Keycloak with a reverse proxy not using pass-through termination of TLS, with mTLS enabled, are affected. This issue may allow an attacker on the local network to authenticate as any user or client that leverages mTLS as the authentication mechanism.","dates":{"published":"2024-11-25T19:40:46.000Z","modified":"2026-09-10T03:50:20.639Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","computed":true,"selection":"version-preference"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":4.6,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":4.6,"impact":8.7,"computed":true}]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"chainguard","product":"keycloak","name":"keycloak","label":"keycloak","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/keycloak","purlType":"apk","versions":[{"text":"< 26.0.6-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 26.0.6-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"keycloak-config-cli","name":"keycloak-config-cli","label":"keycloak-config-cli","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/keycloak-config-cli","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"chainguard","product":"keycloak-config-cli-compat","name":"keycloak-config-cli-compat","label":"keycloak-config-cli-compat","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/keycloak-config-cli-compat","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"chainguard","product":"keycloak-config-cli-iamguarded-compat","name":"keycloak-config-cli-iamguarded-compat","label":"keycloak-config-cli-iamguarded-compat","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/keycloak-config-cli-iamguarded-compat","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"wolfi","product":"keycloak","name":"keycloak","label":"keycloak","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/keycloak","purlType":"apk","versions":[{"text":"< 26.0.6-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 26.0.6-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"keycloak-config-cli","name":"keycloak-config-cli","label":"keycloak-config-cli","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/keycloak-config-cli","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"wolfi","product":"keycloak-config-cli-compat","name":"keycloak-config-cli-compat","label":"keycloak-config-cli-compat","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/keycloak-config-cli-compat","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"wolfi","product":"keycloak-config-cli-iamguarded-compat","name":"keycloak-config-cli-iamguarded-compat","label":"keycloak-config-cli-iamguarded-compat","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/keycloak-config-cli-iamguarded-compat","purlType":"apk","versions":[{"text":"< 6.4.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.4.0-r1","eol":null,"hubHref":null},{"vendor":"org.keycloak","product":"keycloak-core","name":"org.keycloak:keycloak-core","label":"keycloak-core","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.keycloak/keycloak-core","purlType":"maven","versions":[{"text":"< 26.0.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 26.0.6","eol":null,"hubHref":null}],"affectedCount":9,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/keycloak/keycloak/security/advisories/GHSA-93ww-43rr-79v3","label":"github.com/keycloak/keycloak/security/advisories/GHSA-93ww-43rr-79v3","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/keycloak/keycloak/issues/35217","label":"github.com/keycloak/keycloak/issues/35217","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/keycloak/keycloak","label":"github.com/keycloak/keycloak","hostname":"github.com","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-339H-M87P-4MFF","CGA-5JH2-C8J7-F8M2","CGA-5M29-PJCJ-VJV6","CGA-QWX9-PQC4-38XV"]},"timeline":[{"kind":"published","date":"2024-11-25T19:40:46.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-10T03:50:20.639Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T02:21:27.933Z","stale":false,"partial":false}}