CVE-2026-35627

MEDIUM

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

Title source: cna

Description

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.

References (4)

[Third Party Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-65h8-27jh-q8wv

[Patch] https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87

[Patch] https://github.com/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-unauthenticated-cryptographic-work-in-nostr-inbound-dm-handling

Scores

CVSS v3 6.5

EPSS 0.0008

EPSS Percentile 24.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Details

CWE

CWE-696

Status published

Products (4)

npm/openclaw 0 - 2026.3.22npm

OpenClaw/OpenClaw < 2026.3.22

openclaw/openclaw < 2026.3.22

OpenClaw/OpenClaw 2026.3.22

Published Apr 09, 2026

Tracked Since Apr 10, 2026