cvedb.io
CVE-2026-40542
HIGH · CVSS 7.3
EPSS exploitation probability: 0%
Published 2026-04-22T08:16:12.780 · Last modified 2026-06-30T03:19:18.993

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.

Affected products

apache — httpclient

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.