BIT-tomcat-2026-55956

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    BIT-tomcat-2026-55956

    Published: 11 Sept 2026Last Modified: 11 Sept 2026

    Summary: Apache Tomcat: Security constraints for default servlet ignored method

    Details: Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

    References: http://www.openwall.com/lists/oss-security/2026/06/29/25, https://lists.apache.org/thread/dcjdcnnnww9hhdm016hr0l7hpw1bzjfp, https://nvd.nist.gov/vuln/detail/CVE-2026-55956

    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-2026-55956 | CVE-DB