baptisteArno Typebot up to 3.16.x Webhook Resume access control

Summaryinfo

A vulnerability labeled as problematic has been found in baptisteArno Typebot up to 3.16.x. Affected by this issue is some unknown functionality of the component Webhook Resume Handler. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2026-47704. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in baptisteArno Typebot up to 3.16.x and classified as problematic. Affected by this issue is an unknown part of the component Webhook Resume Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity, and availability. CVE summarizes:

TypeBot is a chatbot builder tool. Prior to version 3.17.0, an authenticated user who has read access to any typebot can resume a waiting webhook session that belongs to a different typebot by mixing an authorized `typebotId` and `blockId` and a foreign live `resultId`. The webhook resume handler authorizes the parent typebot first, but then resolves the descendant `result` only by `resultId`. As a result, an attacker can inject arbitrary webhook JSON into another typebot's suspended session and advance its execution without any access to the victim typebot. Version 3.17.0 patches the issue.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-47704 since 05/19/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 3.17.0 eliminates this vulnerability.

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Productinfo

Vendor

• baptisteArno

Name

• Typebot

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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