CVE-2026-35661: Openclaw

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing requirements. Remote attackers can exploit weaker callback-only authorization in direct messages to bypass DM pairing and modify session state.

Affected products

• Openclaw Openclaw: before 2026.3.25 (fixed in 2026.3.25)

Published 2026-04-10. Last modified 2026-06-17.