GitHub Advisoryadvisory · npm

GHSA-4rqq-w8v4-7p47 OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard

MEDIUM Published 2026-03-04 Modified 2026-04-24 Official page ↗
Aliases
CVE-2026-32019
Ecosystem
npm
Packages
openclaw
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-918
Reviewed
2026-03-04

Affected packages

• npm openclaw: < 2026.2.22 → fixed in 2026.2.22

Description

Summary `isPrivateIpv4()` in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so `web_fetch` could allow targets that should be blocked by SSRF policy. Affected Packages / Versions • Package: `openclaw` (npm) • Latest published affected version: `2026.2.21-2` (published 2026-02-21) • Structured vulnerable range: `= 2026.2.22` Impact Low severity. Exploitation requires network reachability to the relevant special-use ranges and a request path that reaches `web_fetch` URL fetching. Technical Details Affected releases used narrow IPv4 private-range checks that omitted multiple RFC special-use/non-global ranges. This allowed requests such as `http://198.18.0.1/...` through SSRF validation in affected releases. Follow-up hardening consolidates local-host/tailnet range checks so gateway/browser/tailnet paths share one canonical IP classification flow. Fix Commit(s) • `71bd15bb4294d3d1b54386064d69cd0f5f731bd8` • `44dfbd23df453e51b71ef79a148c28c53e89168c` • `333fbb86347998526dd514290adfd5f727caa6d9` • `f14ebd743cfc73f667fae80af70043d0ab1f88bd` OpenClaw thanks @princeeismond-dot for reporting.

Related

Alias · CVE (1)

  • CVE-2026-32019 OpenClaw versions prior to 2026.2.22 contain incomplete IPv4 special-use range validation in the isPrivateIpv4() function, allowing… vulnerability

Weakness · CWE (1)

  • CWE-918 Server-Side Request Forgery weakness

References