CVE-2026-35627

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.

Score

CVSS 3.1 8.2 High

Status

Analyzed - disclosure@vulncheck.com

Published

2026-04-09

Last modified

2026-06-23

Weaknesses

CWE-696

Affected products

• Openclaw (Openclaw)

References

• https://github.com/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77
• https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
• https://github.com/openclaw/openclaw/security/advisories/GHSA-65h8-27jh-q8wv
• https://www.vulncheck.com/advisories/openclaw-unauthenticated-cryptographic-work-in-nostr-inbound-dm-handling