GHSA-v468-qcjx-r72w

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    GHSA-v468-qcjx-r72w

    Published: 22 Apr 2026Last Modified: 10 Sept 2026

    Summary: Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification

    Details: Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue.

    References: https://nvd.nist.gov/vuln/detail/CVE-2026-40542, https://github.com/apache/httpcomponents-client/commit/726eac2323d370435d8afca1e0540aa099927f18, https://github.com/apache/httpcomponents-client, https://lists.apache.org/thread/tfmgv86xr0z1y096vs3z0y315t1v3o97, http://www.openwall.com/lists/oss-security/2026/04/22/5

    Affected packages

    Package

    Name: org.apache.httpcomponents.client5:httpclient5

    Purl: pkg:maven/org.apache.httpcomponents.client5/httpclient5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 5.6-alpha1
    Fixed -5.6.1

    Affected versions

    5.6

    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
    GHSA-v468-qcjx-r72w | CVE-DB