CVE-2026-43582 PUBLISHED

OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass

Assigner: VulnCheck
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

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.

Metrics

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
CVSS Score: 4.9

Product Status

Vendor OpenClaw
Product OpenClaw
Versions Default: unaffected
  • affected from 0 to 2026.4.10 (excl.)
  • Version 2026.4.10 is unaffected

Credits

  • dhyabi2 reporter

References

Problem Types

  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition CWE