{"id":"CVE-2026-40037","title":"OpenClaw < 2026.3.31 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects","summary":"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 red…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-601"],"vendor":"OpenClaw","product":"OpenClaw","affected":["OpenClaw < 2026.4.8"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-04-09T14:40:02.487326Z"},"published":"2026-04-08","updated":"2026-09-24","sourceUpdated":"2026-09-24T14:17:36.993Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-40037","references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m","label":"GitHub Security Advisory (GHSA-qx8j-g322-qj6m)"},{"url":"https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5","label":"Patch Commit"},{"url":"https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects","label":"VulnCheck Advisory: OpenClaw < 2026.3.31 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects"}],"tags":["cve.org"],"epss":0.00305,"epssPercentile":0.23422,"ingestedAt":"2026-09-24T15:45:56.732Z","slug":"CVE-2026-40037","body":"## Overview\n\nOpenClaw 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.\n\n## Affected\n\n- `OpenClaw < 2026.4.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}