What is CVE-2026-39969?

CVE-2026-39969 is a medium-severity vulnerability in Baptistearno Typebot.io, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-05-22.

How severe is CVE-2026-39969?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Baptistearno Typebot.io

CVE-2026-39969

TypeBot is a chatbot builder tool. In versions 3.16.0 and prior, the WhatsApp Cloud API webhook endpoint (POST /v1/workspaces/{workspaceId}/whatsapp/{credentialsId}/webhook) does not verify the x-hub-signature-256 HMAC signature included b…

Vulnerability class: Broken Authentication

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Baptistearno Typebot.io — versions < 3.17.0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-39969?: CVE-2026-39969 is a medium-severity vulnerability in Baptistearno Typebot.io, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-05-22.
How severe is CVE-2026-39969?: Medium severity. CVSS v3 base score is 6.5 out of 10.