CVE-2026-56767CWE-862

Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers

High · published June 25, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
47.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00597 · 47.9th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-25T18:03Z
EPSS history
Timeline
  • 25 JUN 18:03Z
    Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers
    cvelistv5