THREAT OPS › Threat News › [NVD] CVE-2026-40542 (HIGH 7.3) — 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.
[NVD] CVE-2026-40542 (HIGH 7.3) — 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-2026-40542 CVSS: 7.3 HIGH Published: 2026-04-22T08:16:12.780
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.
Indicators of compromise
- CVE-2026-40542cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-40542