CVE-2026-40542
1 advisory.
Maven/org.apache.httpcomponents.client5:httpclient5 CVE-2026-40542: high 7.3
Apache HttpClient accepts SCRAM-SHA-256 authentication without proper mutual authentication verification
Action: Upgrade org.apache.httpcomponents.client5:httpclient5 to 5.6.1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.6-alpha1 | 5.6.1 | - |
Fixed versions
| 5.6.1 |
Sources
- osv: GHSA-v468-qcjx-r72w
- https://nvd.nist.gov/vuln/detail/CVE-2026-40542
- https://github.com/apache/httpcomponents-client/commit/726eac2323d370435d8afca1e0540aa099927f18
- https://github.com/apache/httpcomponents-client
- https://lists.apache.org/thread/tfmgv86xr0z1y096vs3z0y315t1v3o97
- http://www.openwall.com/lists/oss-security/2026/04/22/5
CVE-2026-40542 · published · modified · JSON