Auth bypass in Baptistearno Typebot.io
CVE-2026-33712
Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST /api/v1/typebots/{typebotId}/preview/startChat) allows unauthenticated users to achieve Server-Side Request Forgery (SSRF) by supplying a cust…
Vulnerability class: Broken Access Control
EPSS: 0.001 (20.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Baptistearno Typebot.io — versions < 3.16.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33712?
- CVE-2026-33712 is a critical-severity vulnerability in Baptistearno Typebot.io, classified under Missing Authorization. CVSS score: 10.0/10. Published 2026-05-22.
- How severe is CVE-2026-33712?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2026-33712 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.