| Component | OpenClaw |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| Published (NVD) | 2026-04-08 |
| Last modified | 2026-07-24 |
| Affected versions | openclaw < 2026.4.8 |
| Fixed in | 2026.4.8 |
| Weakness | CWE-601 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade OpenClaw to
2026.4.8or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-40037
- 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
Read more
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