CVE-2026-41351 (GCVE-0-2026-41351)

Vulnerability from cvelistv5 – Published: 2026-04-23 21:58 – Updated: 2026-04-24 13:33 X_Open Source
VLAI
Title
OpenClaw < 2026.3.31 - Webhook Replay Detection Bypass via Base64 Signature Re-encoding
Summary
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.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 13:33 UTC
CWE
  • CWE-294 - Authentication Bypass by Capture-replay
Impacted products
Vendor Product Version CPE status
OpenClaw OpenClaw Affected: 0 , < 2026.3.31 (semver)
Unaffected: 2026.3.31 (semver)
    cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2026-03-31 00:00
Show details on NVD website

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