CVE-2026-34477: Apache Log4j Core: verifyHostName attribute silently ignored in TLS configuration, allowing hostname verification bypass

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-13

Last Updated

2026-04-13

EPSS Score

0.11% (percentile: 29.1%)

Affected Products (1)

Other

• 21194-17084

Revision History

• 2026-04-13: Information published.
• 2026-04-13: Information published.