CVE-2026-40037
mediumOpenClaw before 2026.4.8 contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin…
Vendor / product: Openclaw — openclaw
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.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-04-08 22:16
Modified: 2026-10-29 21:17
NVD status: Modified
Last synced 9 hours ago
Verified against the source API 2026-10-29 21:28 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openclaw / openclaw <2026.4.8
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 disclosure@vulncheck.com
- https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrf... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-29 21:28 UTC · record ↗