Medium severity · published May 6, 2026
CVE-2026-43582
OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass
6.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.4.10 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43582
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43582
Patch
https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-xq94-r468-qwgj
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-dns-rebinding-ssrf-via-hostname-validation-bypass
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