CVE-2026-27524 | OpenClaw up to 2026.2.20 /debug prototype pollution (GHSA-62f6-mrcj-v8h5)

VDB-351488 · CVE-2026-27524 · GHSA-62F6-MRCJ-V8H5 OPENCLAW UP TO 2026.2.20 /DEBUG PROTOTYPE POLLUTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.0 $0-$5k 0.80+ Summaryinfo A vulnerability was found in OpenClaw up to 2026.2.20 and classified as problematic. Impacted is an unknown function of the file /debug. Such manipulation leads to prototype pollution. This vulnerability is listed as CVE-2026-27524. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component. Detailsinfo A vulnerability, which was classified as problematic, has been found in OpenClaw up to 2026.2.20. Affected by this issue is an unknown code of the file /debug. The manipulation with an unknown input leads to a prototype pollution vulnerability. Using CWE to declare the problem leads to CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is integrity. CVE summarizes: OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-27524 since 02/19/2026. The exploitation is known to be difficult. The attack may be launched remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059. Upgrading to version 2026.2.21 eliminates this vulnerability. Applying the patch fbb79d4013000552d6a2c23b9613d8b3cb92f6b6 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 2026.2.0 2026.2.1 2026.2.2 2026.2.3 2026.2.4 2026.2.5 2026.2.6 2026.2.7 2026.2.8 2026.2.9 2026.2.10 2026.2.11 2026.2.12 2026.2.13 2026.2.14 2026.2.15 2026.2.16 2026.2.17 2026.2.18 2026.2.19 2026.2.20 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: 3.1 VulDB Meta Temp Score: 3.0 VulDB Base Score: 3.1 VulDB Temp Score: 3.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 3.1 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: Prototype pollution CWE: CWE-1321 / CWE-94 / CWE-74 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 2026.2.21 Patch: fbb79d4013000552d6a2c23b9613d8b3cb92f6b6 Timelineinfo 02/19/2026 CVE reserved 03/18/2026 +27 days Advisory disclosed 03/18/2026 +0 days VulDB entry created 03/18/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-62f6-mrcj-v8h5 Status: Confirmed CVE: CVE-2026-27524 (🔒) GCVE (CVE): GCVE-0-2026-27524 GCVE (VulDB): GCVE-100-351488 Entryinfo Created: 03/18/2026 07:22 Changes: 03/18/2026 07:22 (78) Complete: 🔍 Cache ID: 99:AEA:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸