CVE-2026-35664 | OpenClaw up to 2026.3.24 Legacy Call authentication bypass (GHSA-77w2-crqv-cmv3)

VDB-356896 · CVE-2026-35664 · GHSA-77W2-CRQV-CMV3 OPENCLAW UP TO 2026.3.24 LEGACY CALL AUTHENTICATION BYPASS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.2 $0-$5k 0.61+ Summaryinfo A vulnerability categorized as critical has been discovered in OpenClaw up to 2026.3.24. Affected by this issue is some unknown functionality of the component Legacy Call Handler. Executing a manipulation can lead to authentication bypass. This vulnerability is handled as CVE-2026-35664. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability classified as critical was found in OpenClaw up to 2026.3.24. This vulnerability affects an unknown functionality of the component Legacy Call Handler. The manipulation with an unknown input leads to a authentication bypass vulnerability. The CWE definition for the vulnerability is CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: OpenClaw before 2026.3.25 contains an authentication bypass vulnerability in raw card send surface that allows unpaired recipients to mint legacy callback payloads. Attackers can send raw card commands to bypass DM pairing restrictions and reach callback handling without proper authorization. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-35664 since 04/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. Upgrading to version 2026.3.25 eliminates this vulnerability. Applying the patch 81c45976db532324b5a0918a70decc19520dc354 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 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: 6.3 VulDB Meta Temp Score: 6.2 VulDB Base Score: 7.3 VulDB Temp Score: 7.0 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: Authentication bypass CWE: CWE-288 / CWE-287 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 2026.3.25 Patch: 81c45976db532324b5a0918a70decc19520dc354 Timelineinfo 04/04/2026 CVE reserved 04/10/2026 +6 days Advisory disclosed 04/10/2026 +0 days VulDB entry created 04/10/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-77w2-crqv-cmv3 Status: Confirmed CVE: CVE-2026-35664 (🔒) GCVE (CVE): GCVE-0-2026-35664 GCVE (VulDB): GCVE-100-356896 Entryinfo Created: 04/10/2026 20:31 Changes: 04/10/2026 20:31 (79) Complete: 🔍 Cache ID: 99:E8E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸