What is CVE-2026-42142?

CVE-2026-42142 is a high-severity vulnerability in Baptistearno Typebot.io, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-08-11.

How severe is CVE-2026-42142?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Baptistearno Typebot.io

CVE-2026-42142

TypeBot is a chatbot builder tool. Prior to version 3.17.0, the `handleGetSheets` API handler (`POST /api/sheets/getSheets`) does not validate workspace membership, allowing any authenticated user to access and decrypt another workspace's…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Baptistearno Typebot.io — versions < 3.17.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42142?: CVE-2026-42142 is a high-severity vulnerability in Baptistearno Typebot.io, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-08-11.
How severe is CVE-2026-42142?: High severity. CVSS v3 base score is 7.1 out of 10.