{"cve":"CVE-2026-3691","nvd":{"published":"2026-04-11T01:16:16.123","modified":"2026-06-17T10:44:00.807","status":"Analyzed","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.\n\nThe 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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","score":5.3},"cwes":["CWE-200"],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-6g25-pc82-vfwp","https://www.zerodayinitiative.com/advisories/ZDI-26-229/"],"products":["openclaw:openclaw"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-3691","score":0.00459,"percentile":0.39829,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6g25-pc82-vfwp","url":"https://osv.dev/vulnerability/GHSA-6g25-pc82-vfwp","summary":"OpenClaw: macOS beta onboarding exposed PKCE verifier via OAuth state","modified":"2026-07-08T08:13:06.837895391Z","packages":[{"ecosystem":"npm","name":"openclaw","purl":"pkg:npm/openclaw","ranges":["<2026.2.25"],"fixed":["2026.2.25"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}