CVE-2026-34511 | OpenClaw up to 2026.4.1 Parameter random values

VDB-355200 · CVE-2026-34511 · GCVE-0-2026-34511 OPENCLAW UP TO 2026.4.1 PARAMETER RANDOM VALUES HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.1 $0-$5k 0.39+ Summaryinfo A vulnerability was found in OpenClaw up to 2026.4.1. It has been declared as problematic. Affected is an unknown function of the component Parameter Handler. The manipulation results in random values. This vulnerability is known as CVE-2026-34511. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component. Detailsinfo A vulnerability was found in OpenClaw up to 2026.4.1. It has been classified as problematic. Affected is some unknown processing of the component Parameter Handler. The manipulation with an unknown input leads to a random values vulnerability. CWE is classifying the issue as CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. This is going to have an impact on confidentiality. CVE summarizes: OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-34511 since 03/30/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001. Upgrading to version 2026.4.2 eliminates this vulnerability. Productinfo Type Artificial Intelligence Software Name OpenClaw Version 2026.4.0 2026.4.1 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: 4.2 VulDB Meta Temp Score: 4.1 VulDB Base Score: 3.1 VulDB Temp Score: 3.0 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: Random values CWE: CWE-330 / CWE-310 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 2026.4.2 Timelineinfo 03/30/2026 CVE reserved 04/03/2026 +4 days Advisory disclosed 04/03/2026 +0 days VulDB entry created 04/03/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-34511 (🔒) GCVE (CVE): GCVE-0-2026-34511 GCVE (VulDB): GCVE-100-355200 Entryinfo Created: 04/03/2026 23:24 Changes: 04/03/2026 23:24 (76) Complete: 🔍 Cache ID: 99:DA1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸