What is CVE-2026-48768?

CVE-2026-48768 is a critical-severity vulnerability in Baptistearno Typebot.io, classified under Path Traversal. CVSS score: 9.3/10. Published 2026-06-18.

How severe is CVE-2026-48768?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Baptistearno Typebot.io

CVE-2026-48768

TypeBot is a chatbot builder tool. In versions 3.16.1 and earlier, POST /api/blocks/file-input/v3/generate-upload-url is unauthenticated and uses unsanitized fileName input to construct public/ S3 object keys, while issuing presigned PUT U…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N.

Affected products

Baptistearno Typebot.io — versions < 3.17.0

Weakness classification (CWE)

CWE-22 — Path Traversal
CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-48768?: CVE-2026-48768 is a critical-severity vulnerability in Baptistearno Typebot.io, classified under Path Traversal. CVSS score: 9.3/10. Published 2026-06-18.
How severe is CVE-2026-48768?: Critical severity. CVSS v3 base score is 9.3 out of 10.