CVE-2026-40037: OpenClaw · Open Redirect
Affects OpenClawSource CVE Database V5
Not known to be exploited · CVSS 7.1 High : upgrade to 2026.4.8 soon.
Data as of 29 Oct 2026, 21:45 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 7.1 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 6.5 |
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-04-09.
- Patch
- Available – fixed in 2026.4.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade OpenClaw to 2026.4.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OpenClawOpenClaw | Affected
| Fixed in
|
npmOpenClawpkg:npm/OpenClawOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade OpenClaw to version 2026.4.8 or later, where this vulnerability has been fixed. No other mitigation steps are indicated by the vendor advisory.
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.
References
- github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m (opens in a new tab)
- github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 (opens in a new tab)
- vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects (opens in a new tab)