OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-dot notation in model or workspace-derived URLs. Attackers can exploit inconsistent hostname checks to reach destinations that operators intended to block through hostname policies.
Exploitability
AV:NAC:LAT:PPR:LUI:NVulnerable System
VC:HVI:NVA:NSubsequent System
SC:NSI:NSA:N6/CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NInput Validation
Other