BIT-tomcat-2026-88041

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    BIT-tomcat-2026-88041

    Published: 29 Oct 2026Last Modified: 30 Oct 2026

    Summary: Apache Tomcat: HTTP/2 trailer header cross-contamination

    Details: Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat: from 11.0.0 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

    References: http://www.openwall.com/lists/oss-security/2026/10/20/24, https://lists.apache.org/thread.html/dnmm9l3byytg3l66nk1jrqfrl7jty7n1, https://nvd.nist.gov/vuln/detail/CVE-2026-88041

    Affected packages

    Package

    Name: tomcat

    Purl: pkg:bitnami/tomcat

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 9.0.92
    Fixed -9.0.123

    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-2026-88041 | CVE-DB