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Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification

Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification

CVE-2026-40542Published 4 months agoUpdated 5 days agoSource: OSV

Affected packages

  • org.apache.httpcomponents.client5:httpclient5— 5.6-alpha1 → 5.6.1

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
—
EPSS percentile
—

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Sources

Structured record: https://osv.dev/vulnerability/GHSA-v468-qcjx-r72w

Recommended response stack

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Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification | HackTribune