Medium (6.9) in openclaw openclaw. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in openclaw 2026.3.22.
OpenClaw before 2026.3.22 performs cryptographic and dispatch operations on inbound Nostr direct messages before enforcing sender and pairing policy validation. Attackers can trigger unauthorized pre-authentication computation by sending crafted DM messages, enabling denial of service through resource exhaustion.