{"id":"BIT-tomcat-2026-55955","summary":"Apache Tomcat: EncryptInterceptor not protected against replay attacks","details":"Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.\n\nThis issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.","aliases":["CVE-2026-55955"],"modified":"2026-09-11T08:15:04.669411082Z","published":"2026-09-11T05:58:21.982Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"]},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/06/29/24"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55955"}],"affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.0.119"},{"introduced":"10.0.0"},{"fixed":"10.1.56"},{"introduced":"11.0.0"},{"fixed":"11.0.23"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2026-55955.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.9.0"}