Auth bypass in Baptistearno Typebot.io
CVE-2026-48763
TypeBot is a chatbot builder tool. Versions prior to 3.17.0 expose a deprecated public upload endpoint at `GET /api/v1/typebots/{typebotId}/blocks/{blockId}/storage/upload-url` that accepts an attacker-controlled `filePath` and returns a p…
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
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-2026-48763?
- CVE-2026-48763 is a high-severity vulnerability in Baptistearno Typebot.io, classified under Missing Authorization. CVSS score: 8.2/10. Published 2026-08-11.
- How severe is CVE-2026-48763?
- High severity. CVSS v3 base score is 8.2 out of 10.