CVE-2026-43582CWE-367

OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass

Medium · published May 6, 2026

CVSS v4.0
4.9
EPSS
0%
Percentile
22.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.9 · MEDIUM
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
EPSS
0.00308 · 22.4th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-05-06T19:49Z
EPSS history
Timeline
  • 06 MAY 19:49Z
    OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass
    cvelistv5