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Description

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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-06 | Updated 2026-05-07 | Assigner VulnCheck




MEDIUM: 4.9CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

MEDIUM: 6.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Problem types

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

Product status

Default status
unaffected

Any version before 2026.4.10
affected

2026.4.10 (semver)
unaffected

Credits

dhyabi2 reporter

References

github.com/...enclaw/security/advisories/GHSA-xq94-r468-qwgj (GitHub Security Advisory (GHSA-xq94-r468-qwgj)) vendor-advisory

github.com/...ommit/121c452d666d4749744dc2089287d0227aae2ed3 (Patch Commit) patch

www.vulncheck.com/...ing-ssrf-via-hostname-validation-bypass (VulnCheck Advisory: OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass) third-party-advisory

cve.org (CVE-2026-43582)

nvd.nist.gov (CVE-2026-43582)

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