Vulnerability · Published Apr 23, 2026 · Assigned by VulnCheck
CVE-2026-41361OpenClaw < 2026.3.28 - SSRF Guard Bypass via IPv6 Special-Use Ranges
High 7.1
In plain English
A high-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 89.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.3.28 contains an SSRF guard bypass vulnerability that fails to block four IPv6 special-use ranges. Attackers can exploit this by crafting URLs targeting internal or non-routable IPv6 addresses to bypass SSRF protections.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.3.28 | GHSA-g86v-f9qv-rh6m |
Affected products (as reported)
Weakness: CWE-184 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
References
- GitHub Security Advisory (GHSA-g86v-f9qv-rh6m) vendor-advisory
- VulnCheck Advisory: OpenClaw < 2026.3.28 - SSRF Guard Bypass via IPv6 Special-Use Ranges third-party-advisory