PT-2026-34264 · Apache · Apache Httpclient
Rasmus Moorats
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Published
2026-04-22
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Updated
2026-04-22
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CVE-2026-40542
None
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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.
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Weakness Enumeration
Related Identifiers
Affected Products
Apache Httpclient