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VulnerabilityPublished

CVE-2026-96680: ByteDance Coze Scraper Extension · Missing Authorization

Source GCVE Database

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Authoritative record:CVE-2026-96680· Medium 5.3

Public exploit available · CVSS 5.3 Medium.

Data as of 8 Nov 2026, 23:24 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
ByteDanceCoze Scraper ExtensionAffected
  • =2.0.0
  • =2.0.1
  • =2.0.2
Fixed in–

AI-suggested

Users should exercise caution when using the affected extension and consider disabling it until a vendor update is released. Monitor official channels for any future remediation announcements.

Description

A vulnerability exists in ByteDance Coze Scraper Extension up to version 2.0.2 in the External Message Handler component. The flaw involves improper authorization checks in the function chrome.runtime.onMessageExternal.addListener, allowing remote attackers to manipulate certain arguments and bypass authorization. Exploit code is publicly available, but no vendor response or patch has been provided. The CVSS score is 4.3, indicating a low severity risk.

References

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