GHSA-g353-mgv3-8pcj · Severity: high · Ecosystem: npm — OpenClaw: Feishu webhook mode accepted forged events when only `verificationToken` was configured
OpenClaw before 2026.3.12 contains an authentication bypass vulnerability in Feishu webhook mode when only verificationToken is configured without encryptKey, allowing acceptance of forged events. Unauthenticated network attackers can inject forged Feishu events and trigger downstream tool execution by reaching the webhook endpoint.
Conclusion & alert: CVE-2026-32974 is rated Moderate Risk (40.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.25% | +0.20% |
| 2 | 2026-06-05 | 0.07% | 0.05% | -0.02% |
| 3 | 2026-03-30 | — | 0.07% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 4.0 | HIGH |
|
— | — | [email protected] |
| 8.6 | 3.1 | HIGH |
|
3.9 | 4.7 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-g353-mgv3-8pcj · Severity: high · Ecosystem: npm — OpenClaw: Feishu webhook mode accepted forged events when only `verificationToken` was configured
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/advisories/GHSA-g353-mgv3-8pcj | Vendor Advisory |
| https://www.vulncheck.com/advisories/openclaw-forged-event-injection-via-feishu-webhook-verification-token | Third Party Advisory |