CVE-2026-40542: org.apache.httpcomponents.client5:httpclient5:jar:5.6:test

[github-actions]

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.

CVE: CVE-2026-40542
CWE: CWE-304

References

• https://guide.sonatype.com/vulnerability/CVE-2026-40542?component-type=maven&component-name=org.apache.httpcomponents.client5%2Fhttpclient5&utm_source=ossindex-client&utm_medium=integration&utm_content=1.8.1
• http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2026-40542
• https://lists.apache.org/thread/tfmgv86xr0z1y096vs3z0y315t1v3o97