CVE-2026-56767

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

Published Jun 25, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Maxun
Maxun maxun
CPEs cpe:2.3:a:maxun:maxun:*:*:*:*:*:*:*:*
Vendors & Products Maxun
Maxun maxun
Type Values Removed Values Added
First Time appeared Getmaxun
Getmaxun maxun
Vendors & Products Getmaxun
Getmaxun maxun
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:06 PM
Reserved
Jun 22, 2026, 9:55 PM
Status
Deferred
Published
Jun 25, 2026, 7:16 PM
Modified
Oct 25, 2026, 10:10 PM