VULNERABILITY INTELLIGENCE

CVE-2026-53839

CVSS score6.5 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-06-12
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-1023

Primary references