Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to accept authentication without proper mutual authentication verification
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.3epss 0.5%
probabilidade de exploração
0.5%top 63% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Produtos afetados
Apache Software Foundation · Apache HttpClientReferências
https://access.redhat.com/security/cve/CVE-2026-40542https://bugzilla.redhat.com/show_bug.cgi?id=2460518https://lists.apache.org/thread/tfmgv86xr0z1y096vs3z0y315t1v3o97https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40542.jsonhttp://www.openwall.com/lists/oss-security/2026/04/22/5