CVE-2026-41301 | OpenClaw up to 2026.3.30 Nostr DM signature verification (GHSA-h43v-27wg-5mf9)

VDB-358414 · CVE-2026-41301 · GHSA-H43V-27WG-5MF9 OPENCLAW UP TO 2026.3.30 NOSTR DM SIGNATURE VERIFICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 3.21+ 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. Productinfo Type Artificial Intelligence Software Name OpenClaw Version 2026.3.0 2026.3.1 2026.3.2 2026.3.3 2026.3.4 2026.3.5 2026.3.6 2026.3.7 2026.3.8 2026.3.9 2026.3.10 2026.3.11 2026.3.12 2026.3.13 2026.3.14 2026.3.15 2026.3.16 2026.3.17 2026.3.18 2026.3.19 2026.3.20 2026.3.21 2026.3.22 2026.3.23 2026.3.24 2026.3.25 2026.3.26 2026.3.27 2026.3.28 2026.3.29 2026.3.30 License open-source Website Product: https://github.com/openclaw/openclaw/ 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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: 99:708:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸