CVE-2026-35627 MEDIUM

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

Vendor Openclaw
Product OpenClaw
Weakness CWE-696
Published April 9, 2026
Last update April 10, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 10, 2026 Record updated