CVE-2026-35627: Openclaw

High severity, CVSS 8.2. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.3.22 (fixed in 2026.3.22)

Published 2026-04-09. Last modified 2026-06-17.