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Vulnerabilities CVE-2026-72849

CVE-2026-72849

High
Open
TLP:CLEAR

Budibase before 3.40.0 Identity Confusion via Chat-Link Handoff CSRF

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Description

Budibase before 3.40.0 contains a cross-site request forgery vulnerability in the chat-link handoff endpoint that allows attackers to bind an external chat identity to a victim's account. Attackers can craft a phishing page that auto-submits a POST request with a leaked confirmation token to bind their chat identity to a victim user's account, enabling impersonation within agent operations and inheritance of victim permissions.

Details

CVSS Score
8.7
CVSS Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Confidence
90%
Published
Aug 13, 2026
Last Modified
Aug 13, 2026
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