CVE-2026-43582

OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass

CVSS 4.9 MEDIUMEPSS 0.2%CWE-367

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.9EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

06 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

OpenClaw · OpenClaw

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References

https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3 https://github.com/openclaw/openclaw/security/advisories/GHSA-xq94-r468-qwgj https://www.vulncheck.com/advisories/openclaw-dns-rebinding-ssrf-via-hostname-validation-bypass