CVE-2026-41301

Medium

Description

OpenClaw versions 2026.3.22 before 2026.3.31 contain a signature verification bypass vulnerability in the Nostr DM ingress path that allows pairing challenges to be issued before event signature validation. An unauthenticated remote attacker can send forged direct messages to create pending pairing entries and trigger pairing-reply attempts, consuming shared pairing capacity and triggering bounded relay and logging work on the Nostr channel.

SeverityMedium

CVSS5.3

Exploit probability—

ProductOpenclaw

PublishedApr 21, 2026

First seenApr 21, 2026

Weakness typeCWE-347CWE-347

How to fix

Update

openclaw openclaw2026.3.31 or later
openclaw2026.3.31 or later

Patches

github.com/openclaw/openclaw/commit/4ee742174f36b5445703e3b1ef2fbd6ae6700fa4

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-h43v-27wg-5mf9

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.3.31	2026.3.31
openclawnpm	2026.3.22 ≤ v < 2026.3.31	2026.3.31

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.