{"id":"CVE-2026-40037","aliases":[],"cve":{"records":[{"id":"CVE-2026-40037","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-04-08T13:39:22.099Z","published":"2026-04-08T21:35:29.255Z","modified":"2026-10-29T21:15:37.846Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T21:15:37.846Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-04-09T14:40:56.336Z"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5","tags":["patch"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2026.4.8"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-04-09T14:40:02.487326Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"OpenClaw < 2026.4.8 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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origins.","score":7.1,"severity":"high","published":"2026-04-08T21:35:29.255Z","modified":"2026-10-29T21:15:37.846Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"OpenClaw","name":"OpenClaw","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"2026.4.8","versionType":"semver"},{"version":"2026.4.8","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/openclaw","packageIdentity":{"ecosystem":"npm","name":"openclaw"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-40037"}],"remediation":[],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m","https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5","https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects"],"sources":[{"name":"CVE","id":"CVE-2026-40037","modified":"2026-10-29T21:15:37.846Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-40037"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":7.1},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5}],"sourceAffected":[],"observedAt":"2026-10-29T21:28:39.550Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T00:40:31.812Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T00:10:31.240Z","attemptedAt":"2026-10-30T00:10:31.240Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T00:10:31.240Z","attemptedAt":"2026-10-30T00:10:31.240Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T00:10:31.240Z","attemptedAt":"2026-10-30T00:10:31.240Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T00:10:31.240Z","attemptedAt":"2026-10-30T00:10:31.240Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-20781","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-20781","modified":"Oct 29, 2026, 9:15:37 PM","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-10-30T00:10:31.240Z"},{"source":"GitHub Advisory Database","id":"GHSA-qx8j-g322-qj6m","url":"https://github.com/advisories/GHSA-qx8j-g322-qj6m","modified":"2026-04-10T20:25:00Z","checkedAt":"2026-10-30T00:10:31.240Z"},{"source":"NVD","id":"CVE-2026-40037","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40037","modified":"2026-10-29T21:17:22.870","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-30T00:10:31.240Z"},{"source":"NVD","id":"CVE-2026-40037","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40037","modified":"2026-10-29T21:17:22.870","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-30T00:10:31.240Z"},{"source":"FIRST EPSS","id":"CVE-2026-40037","url":"https://www.first.org/epss/","probability":0.00305,"percentile":0.23221,"date":"2026-10-29","checkedAt":"2026-10-30T00:10:31.240Z"}],"aiSummary":{"text":"OpenClaw before version 2026.4.8 has a vulnerability in fetchWithSsrFGuard, allowing attackers to replay request bodies across cross-origin redirects, potentially exfiltrating sensitive data. Attackers can exploit this by triggering redirects. The weakness is related to URL redirection to untrusted sites.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:35:59.605Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-40037"}]}}