BIT-tomcat-2026-55955

    Dashboard / Vulnerabilities / BIT-tomcat-2026-55955

    BIT-tomcat-2026-55955

    Published: 11 Sept 2026Last Modified: 11 Sept 2026

    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. This 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. Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.

    References: http://www.openwall.com/lists/oss-security/2026/06/29/24, https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106, https://nvd.nist.gov/vuln/detail/CVE-2026-55955

    Affected packages

    Package

    Name: tomcat

    Purl: pkg:bitnami/tomcat

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -9.0.119

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    BIT-tomcat-2026-55955 | CVE-DB