CVE-2026-43582

medium

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.

References

Advisories
More

https://www.vulncheck.com/advisories/openclaw-dns-rebinding-ssrf-via-hostname-validation-bypass

https://github.com/openclaw/openclaw/security/advisories/GHSA-xq94-r468-qwgj

https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-07

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.3

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

Severity: Medium

CVSS v4

Base Score: 4.9

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

Severity: Medium

EPSS

EPSS: 0.00026