QwikSec

Security Database

CVE

CWE

Training

CVE-2026-35627

Published: Apr 9, 2026

Modified: Apr 10, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

Vendor	Product	Versions
OpenClaw	OpenClaw	affected `0 - < 2026.3.22` unaffected `2026.3.22`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

References

GitHub Security Advisory (GHSA-65h8-27jh-q8wv)

third-party-advisory

Patch Commit #1

patch

Patch Commit #2

patch

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

third-party-advisory

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.