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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Wed, 22 Apr 2026 17:30:00 +0000
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Wed, 22 Apr 2026 09:45:00 +0000
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| 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. | |
| Title | Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper mutual authentication verification | |
| Weaknesses | CWE-304 | |
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Status: PUBLISHED
Assigner: apache
Published: 2026-04-22T07:07:21.344Z
Updated: 2026-04-22T16:23:59.296Z
Reserved: 2026-04-14T09:11:14.268Z
Link: CVE-2026-40542
Updated: 2026-04-22T16:23:59.296Z
Status : Awaiting Analysis
Published: 2026-04-22T08:16:12.780
Modified: 2026-04-22T21:23:52.620
Link: CVE-2026-40542
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