Auth bypass in Bytedance Coze Scraper Extension
CVE-2026-96680
A vulnerability was detected in ByteDance Coze Scraper Extension up to 2.0.2. Affected by this vulnerability is the function chrome.runtime.onMessageExternal.addListener of the file static/background/index.js of the component External Message Handler. The manipulation of the argument body.url/paginationConfig/xPathConfig/body.urls/xPaths results in missing authorization. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Bytedance Coze Scraper Extension — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- github.com/xryj920/chrome_extensions/blob/main/Coze Scraper 2.0.2 Unrestricted… (exploit)
- vuldb.com/cve/CVE-2026-96680 (third-party-advisory)
- vuldb.com/submit/904123 (third-party-advisory)
- vuldb.com/vuln/409003 (technical-description, vdb-entry)
- vuldb.com/vuln/409003/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-96680?
- CVE-2026-96680 is a medium-severity vulnerability in Bytedance Coze Scraper Extension, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-23.
- How severe is CVE-2026-96680?
- Medium severity. CVSS v3 base score is 4.3 out of 10.