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.
CVSS 5.3EPSS 0.33%Risque 0.55
Voir la source- Publication
- 2026-04-23 22:16:42
- Versions concernées
- <2026.3.31
- Type
- Core software
- Vecteur
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N