CVE-2026-43582 MEDIUM

CVE-2026-43582: OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass

Vendor Openclaw
Product OpenClaw
Weakness CWE-367
Published May 6, 2026
Last update May 7, 2026

CVSS base score

4.9/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.4.10 contains a server-side request forgery vulnerability in browser navigation policy that allows attackers to bypass hostname validation through DNS rebinding attacks. Attackers can exploit inconsistent hostname resolution between validation and actual network requests to pivot to internal resources via unallowlisted hostname URLs.

Key dates

02Disclosure timeline

May 6, 2026 CVE published
May 7, 2026 Record updated