Auth bypass in Baptistearno Typebot.io
CVE-2026-48495
TypeBot is a chatbot builder tool. Prior to version 3.17.0, the Google Sheets OAuth callback decodes a base64-encoded JSON `state` parameter and trusts the embedded `workspaceId`, `typebotId`, `blockId`, and `redirectUrl` without cryptogra…
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:L/I:H/A:N.
Affected products
- Baptistearno Typebot.io — versions < 3.17.0
Weakness classification (CWE)
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-2026-48495?
- CVE-2026-48495 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-2026-48495?
- High severity. CVSS v3 base score is 7.1 out of 10.