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CVE-2026-47704

TypeBot vulnerable to cross-typebot webhook resume via unchecked `resultId` lineage allows unauthorized control of another bot's waiting session PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
baptisteArno / typebot.ioaffected < 3.17.0

CWE

CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.