CVE-2026-35627

CVE-2026-35627 affects OpenClaw (npm package) before 2026.3.22, where inbound Nostr direct messages trigger cryptographic work before sender and pairing policy validation. This can enable pre-authentication cryptographic operations and resource exhaustion, potentially causing a denial of service....

CVE-2026-35627 OpenClaw < 2026.3.22 - Unauthenticated Cryptographic Work in Nostr Inbound DM Handling

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...

OpenClaw: Forged Nostr DMs could create pairing state before signature verification

Summary Before OpenClaw 2026.3.31, the Nostr DM ingress path could issue pairing challenges before validating the event signature. A forged DM could create a pending pairing entry and trigger a pairing-reply attempt before signature rejection. Impact An unauthenticated remote sender could consume...