CVE-2026-40037

MediumCVSS 6.5/10Last modified Jul 24, 2026

Description

OpenClaw before 2026.3.31 (patched in 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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-601

Affected software

No affected versions have been published.

Timeline

Published: Apr 8, 2026
Last modified: Jul 24, 2026
NVD status: Analyzed

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