GHSA-f525-44xv-f2qj

    Dashboard / Vulnerabilities / GHSA-f525-44xv-f2qj

    GHSA-f525-44xv-f2qj

    Published: 26 Aug 2026Last Modified: 27 Oct 2026

    Summary: Apache Tomcat - HTTP/2 no-authority bypass of strict SNI validation

    Details: Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.59 or 9.0.121, which fix the issue.

    References: https://nvd.nist.gov/vuln/detail/CVE-2026-65637, https://github.com/apache/tomcat/commit/40012414df828a56126f76a7339669c7c919aae7, https://github.com/apache/tomcat/commit/8639b20f045c88f356b887204f52e897399f0de7, https://github.com/apache/tomcat/commit/b823e88da077f5fa973e34d72359bded9f621e3c, https://github.com/apache/tomcat, https://github.com/apache/tomcat/releases/tag/10.1.58, https://github.com/apache/tomcat/releases/tag/11.0.25, https://github.com/apache/tomcat/releases/tag/9.0.121, https://lists.apache.org/thread/djog953z1ohsyt25bdvhfzbmsy22vgcj, https://tomcat.apache.org/security-10.html, https://tomcat.apache.org/security-11.html, https://tomcat.apache.org/security-9.html

    Affected packages

    Package

    Name: org.apache.tomcat:tomcat-coyote

    Purl: pkg:maven/org.apache.tomcat/tomcat-coyote

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 11.0.20
    Fixed -11.0.25

    Affected versions

    11.0.20
    11.0.21
    11.0.22
    11.0.23
    11.0.24

    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