OpenClaw before 2026.4.22 contains a webhook secret revocation bypass vulnerability allowing callers with old Slack and Zalo webhook secrets to remain active after secrets.reload. Attackers can exploit the stale-secret window to deliver webhook events after operator-expected secret revocation, potentially accepting previous credentials.
Exploitability
AV:NAC:LAT:PPR:LUI:NVulnerable System
VC:NVI:HVA:NSubsequent System
SC:NSI:NSA:N6/CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NOther