GHSA-g353-mgv3-8pcj CVE-2026-32974
OpenClaw: Feishu webhook mode accepted forged events when only `verificationToken` was configured
- Severity
- 8.8 / 10
- High · CVSS 4.0
- Exploit chance (EPSS)
- 0.25%
- Chance of exploitation in the next 30 days. Higher than 16.54% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-347 Improper Verification of Cryptographic Signature
- Fix
2026.3.12- Upgrade openclaw to this version or later
Description
Summary
Feishu webhook mode allowed deployments that configured only verificationToken without encryptKey. In that state, forged inbound events could be accepted because the weaker configuration did not provide the required cryptographic verification boundary.
Impact
An unauthenticated network attacker who could reach the webhook endpoint could inject forged Feishu events, impersonate senders, and potentially trigger downstream tool execution subject to the local agent policy.
Affected versions
openclaw <= 2026.3.11
Patch
Fixed in openclaw 2026.3.12. Feishu webhook mode now fails closed unless encryptKey is configured, and the webhook transport rejects missing or invalid signatures before dispatch. Update to 2026.3.12 or later and configure encryptKey for webhook deployments.
Affected versions
npm
| Package | Vulnerable | Fixed in |
|---|---|---|
| openclaw | < 2026.3.12 |
2026.3.12 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
openclaw npm → 2026.3.12
- npm
npm install openclaw@2026.3.12- yarn
yarn add openclaw@2026.3.12- pnpm
pnpm add openclaw@2026.3.12
Severity breakdown
CVSS 4.0 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- None
- Confidentiality (vulnerable system)
- Low
- Integrity (vulnerable system)
- High
- Availability (vulnerable system)
- Low
- Confidentiality (subsequent systems)
- None
- Integrity (subsequent systems)
- None
- Availability (subsequent systems)
- None
- Exploit maturity
- Not defined
- Scope
- X
CVSS 3.1 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Weakness
CWE-347: Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
References
Advisories
Packages
Other links
- github.com/openclaw/openclaw/security/advisories/GHSA-g353-mgv3-8pcj
- github.com/openclaw/openclaw/pull/44087
- github.com/openclaw/openclaw/commit/7844bc89a1612800810617c823eb0c76ef945804
- github.com/openclaw/openclaw/releases/tag/v2026.3.12
- vulncheck.com/advisories/openclaw-forged-event-injection-via-feishu-webhook-verifi…
Timeline
- Published
- Last updated by the source
- Latest EPSS score
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