CVE-2026-53839
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Jun 12, 2026
Vendor
unknown
Description
OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted host to send authentication material to untrusted endpoints.