CVE WatchJul 23, 2026

CVE-2026-39966

TypeBot is a chatbot builder tool. In versions 3.15.2, the getLinkedTypebots API endpoint returns full bot definitions to any authenticated

CVSS

6.5

Medium

EPSS

0.3%

p17

KEV

—

Exploit Today

0-100

Published: May 22, 2026 · Last modified: Jul 23, 2026 · CWE-863

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-08-022026-08-30

Technical description

TypeBot is a chatbot builder tool. In versions 3.15.2, the getLinkedTypebots API endpoint returns full bot definitions to any authenticated user who references a target bot ID in a Typebot Link block, regardless of workspace ownership, leading to IDOR. The authorization check uses Array.filter() with an async callback — since filter() is synchronous, the callback always returns a truthy Promise, so the access control predicate is never actually evaluated. Any authenticated Typebot user can read the full definition of any other workspace's private bots, including: all conversation blocks and logic flow, variable values embedded in the bot (credentials, API keys, PII), webhook URLs and integration configurations. This issue has been fixed in version 3.16.0.

Official references

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