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Description

OpenClaw versions prior to 2026.3.2 contain a DNS pinning bypass vulnerability in strict URL fetch paths that allows attackers to circumvent SSRF guards when environment proxy variables are configured. When HTTP_PROXY, HTTPS_PROXY, or ALL_PROXY environment variables are present, attacker-influenced URLs can be routed through proxy behavior instead of pinned-destination routing, enabling access to internal targets reachable from the proxy environment.

PUBLISHED Reserved 2026-01-06 | Published 2026-03-18 | Updated 2026-03-25 | Assigner VulnCheck




MEDIUM: 6.1CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

HIGH: 7.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Problem types

CWE-918 Server-Side Request Forgery (SSRF)

Product status

Default status
unaffected

Any version before 2026.3.2
affected

2026.3.2 (semver)
unaffected

Credits

tdjackey reporter

References

github.com/...enclaw/security/advisories/GHSA-8mvx-p2r9-r375 (GitHub Security Advisory (GHSA-8mvx-p2r9-r375)) third-party-advisory

github.com/...ommit/345abf0b2e0f43b0f229e96f252ebf56f1e5549e (Patch Commit) patch

www.vulncheck.com/...onment-proxy-configuration-in-web-fetch (VulnCheck Advisory: OpenClaw < 2026.3.2 - DNS Pinning Bypass via Environment Proxy Configuration in web_fetch) third-party-advisory

cve.org (CVE-2026-22181)

nvd.nist.gov (CVE-2026-22181)

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