OpenClaw up to 2026.3.30 Nostr DM signature verification

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in OpenClaw up to 2026.3.30. Affected by this issue is some unknown functionality of the component Nostr DM Handler. Executing a manipulation can lead to signature verification. The identification of this vulnerability is CVE-2026-41301. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in OpenClaw up to 2026.3.30. It has been declared as problematic. This vulnerability affects an unknown function of the component Nostr DM Handler. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was shared by KeenSecurityLab as GHSA-h43v-27wg-5mf9. The advisory is available at github.com. This vulnerability was named CVE-2026-41301 since 04/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2026.3.31 eliminates this vulnerability. Applying the patch 4ee742174f36b5445703e3b1ef2fbd6ae6700fa4 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.3.31
Patch: 4ee742174f36b5445703e3b1ef2fbd6ae6700fa4

Timelineinfo

04/20/2026 CVE reserved
04/21/2026 +1 days Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/21/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-h43v-27wg-5mf9
Researcher: KeenSecurityLab
Status: Confirmed

CVE: CVE-2026-41301 (🔒)
GCVE (CVE): GCVE-0-2026-41301
GCVE (VulDB): GCVE-100-358414

Entryinfo

Created: 04/21/2026 07:22
Changes: 04/21/2026 07:22 (79)
Complete: 🔍
Cache ID: 216::103

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