High
OpenClaw < 2026.3.31 - Unsafe Request Body Replay via fetchWithSsrFGuard Cross-Origin Redirects
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.
Announced Source revision 1
Original source ↗CVE-2026-40037
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-40037
OpenClaw
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "OpenClaw",
"product": "OpenClaw",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2026.4.8",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2026.4.8",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/openclaw",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-40037
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #868 · Revision 1
- Added to Heist Feed
- Publisher date