CVE-2026-56767

High

Description

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute other users' robots by bypassing ownership checks in API endpoints.

SeverityHigh

CVSS8.8

Exploit probability—

ProductMaxun

PublishedJun 25, 2026

First seenJun 25, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

getmaxun maxun0.0.42 or later

Patches

github.com/getmaxun/maxun/commit/11db0257531f1c23dec94727793c9444ee2873cf

Affected products

Product	Affected versions	Fixed in
getmaxun maxun	v < 0.0.42	0.0.42

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