🛡️ CVE-2026-3691
🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-200 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization flow. The specific flaw exists within the implementation of OAuth authorization. The issue results from the exposure of sensitive data in the authorization URL query string. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-29381.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-04-11
Updated 2026-06-02
Modified 2026-04-27
Fix URL N/A

Affected Packages

Software From version Fixed in
openclaw 2026.2.25

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