{"cve":"CVE-2026-34500","nvd":{"published":"2026-04-09T20:16:25.330","modified":"2026-10-26T21:10:00.170","status":"Analyzed","description":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","score":6.5},"cwes":["CWE-287"],"references":["https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2","http://www.openwall.com/lists/oss-security/2026/04/09/29"],"products":["apache:tomcat"],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-34500","score":0.0045,"percentile":0.38899,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-24j9-x2wg-9qv6","url":"https://osv.dev/vulnerability/GHSA-24j9-x2wg-9qv6","summary":"Apache Tomcat: CLIENT_CERT authentication does not fail as expected","modified":"2026-09-10T03:50:42.184532398Z","packages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote-ffm","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote-ffm","ranges":[">=9.0.92 <9.0.117"],"fixed":["9.0.117"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote-ffm","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote-ffm","ranges":[">=10.1.22 <10.1.54"],"fixed":["10.1.54"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote-ffm","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote-ffm","ranges":[">=11.0.0-M14 <11.0.21"],"fixed":["11.0.21"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}