CVE-2026-40542 (GCVE-0-2026-40542)

Vulnerability from cvelistv5 – Published: 2026-04-22 07:07 – Updated: 2026-04-22 16:23
VLAI?
Title
Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper mutual authentication verification
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CWE-304 - Missing Critical Step in Authentication
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache HttpClient Affected: 5.6 , < 5.6.1 (semver)
Create a notification for this product.
Credits
Rasmus Moorats
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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