Missing Authentication for Critical Function Affecting @openclaw/voice-call package, versions <2026.2.14
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-OPENCLAWVOICECALL-15307820
- published18 Feb 2026
- disclosed18 Feb 2026
- creditPeyton Kennedy
Introduced: 18 Feb 2026
CVE-2026-29606 (opens in a new tab)How to fix?
Upgrade @openclaw/voice-call to version 2026.2.14 or higher.
Overview
@openclaw/voice-call is an OpenClaw voice-call plugin
Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the tunnel.allowNgrokFreeTierLoopbackBypass configuration option in the webhook authentication. An attacker can trigger unauthorized webhook event handling and cause request flooding by sending forged requests to the publicly reachable webhook endpoint without a valid signature.
Note: This is only exploitable if the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled.