CVE-2026-41351
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.
Published:Apr 23, 2026
Last Modified:Apr 24, 2026
EPS:Apr 23, 2026
EPSS Score:0.00028
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Openclaw
Product
Openclaw
Openclaw
Openclaw
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
