VULNERABILITY INTELLIGENCE

CVE-2026-40037

CVSS score6.5 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-04-08
Last modified2026-10-29
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

OpenClaw before 2026.4.8 contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin redirects. Attackers can exploit this by triggering redirects to exfiltrate sensitive request data or headers to unintended origins.

Weakness classification

  • disclosure@vulncheck.com: CWE-601

Primary references