CVE-2026-27488CWE-918

OpenClaw hardened cron webhook delivery against SSRF

Medium · published February 21, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
41.0
In the wild
Unconfirmed
What it is

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L
EPSS
0.00487 · 41.0th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-02-21T09:49Z
EPSS history
Timeline
  • 21 FEB 09:49Z
    OpenClaw hardened cron webhook delivery against SSRF
    cvelistv5