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 · last modified .
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
EPSS: 0.004 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
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.