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Advisories

OpenClaw < 2026.4.20 - Improper Trust Labeling in Isolated Cron Awareness Events

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severity
medium
date
Affecting

  • OpenClaw < 2026.4.20

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
zsx (@zsxsoft), KeenSecurityLab, qclawer
Description
OpenClaw before 2026.4.20 fails to properly preserve untrusted labels for isolated cron awareness events, allowing webhook-triggered cron agent output to be recorded as trusted system events. Attackers can exploit this trust-labeling issue to strengthen prompt-injection attacks by rendering untrusted events as trusted System events.

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