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CVE PROGRAM SOURCE RECORD7.3 High

CVE-2026-40542

Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper mutual authentication verification

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Status
Published
Published
Updated
Assigning organization
apache

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache HttpClient

Default version status: unaffected

  • 5.6 to < 5.6.1affected

References