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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-41351

OpenClaw < 2026.3.31 - Webhook Replay Detection Bypass via Base64 Signature Re-encoding

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

OpenClaw before 2026.3.31 contains a replay detection bypass vulnerability in webhook signature handling that treats Base64 and Base64URL encoded signatures as distinct requests. Attackers can re-encode Telnyx webhook signatures to bypass replay detection while maintaining valid signature verification.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenClaw OpenClaw

Default version status: unaffected

  • 0 to < 2026.3.31affected
  • 2026.3.31unaffected
pkg:npm/openclaw

References