CVE-2026-72849

High

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.

SeverityHigh

CVSS7.7

Exploit probability—

Product@budibase/server

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Vendor advisories

github.com/Budibase/budibase/security/advisories/GHSA-pvcr-8mvp-w8qr

Affected products

Product	Affected versions	Fixed in
@budibase/servernpm	v ≤ 3.38.1	—

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