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CVE-2026-27488— OpenClaw hardened cron webhook delivery against SSRF

Quick assessment

Affected
openclaw openclaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenClaw是openclaw开源的一个智能人工助理。 OpenClaw 2026.2.17及之前版本存在代码问题漏洞，该漏洞源于Cron webhook交付使用fetch直接调用，可能导致webhook目标访问私有或内部端点。

AI Predicted 8.1 Difficulty: Easy EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2026-27488

Vulnerability Information
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Vulnerability Title
OpenClaw hardened cron webhook delivery against SSRF
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是openclaw开源的一个智能人工助理。 OpenClaw 2026.2.17及之前版本存在代码问题漏洞，该漏洞源于Cron webhook交付使用fetch直接调用，可能导致webhook目标访问私有或内部端点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openclaw openclaw < 2026.2.19 -

II. Public POCs for CVE-2026-27488

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III. Intelligence Information for CVE-2026-27488

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Same Patch Batch · openclaw · 2026-02-21 · 6 CVEs total

CVE-2026-27487 7.6 HIGH OpenClaw: Prevent shell injection in macOS keychain credential write
CVE-2026-27576 OpenClaw: ACP prompt-size checks missing in local stdio bridge could reduce responsiveness
CVE-2026-27486 OpenClaw: Process Safety - Unvalidated PID Kill via SIGKILL in Process Cleanup
CVE-2026-27485 OpenClaw affected by Stored XSS in Control UI via unsanitized assistant name/avatar in inl
CVE-2026-27484 OpenClaw Discord moderation authorization used untrusted sender identity in tool-driven fl

IV. Related Vulnerabilities

Same product: openclaw
Same vendor: openclaw
Same weakness: CWE-918

V. Comments for CVE-2026-27488

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