High severity · published Feb 21, 2026
CVE-2026-27488
OpenClaw hardened cron webhook delivery against SSRF
7.3
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openclaw · openclaw
< 2026.2.19 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27488
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27488
Patch
https://github.com/openclaw/openclaw/commit/99db4d13e5c139883ef0def9ff963e9273179655
Release Notes
https://github.com/openclaw/openclaw/releases/tag/v2026.2.19
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-w45g-5746-x9fp
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