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TI-2026-40931 Aliases CVE-2026-56767GHSA-44p3-ph5c-h5h3

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

Priority MEDIUM 41CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00597 48th percentileScored 2026-11-07
Fix Fixed maxun (getmaxun): 0.0.42

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
getmaxunmaxunbefore 0.0.420.0.42Patch availableCNA
  • maxun Vendorgetmaxun Affected before 0.0.42 Fixed in 0.0.42 Patch available CNA

Remediation

  • Fix · CNA maxun (getmaxun) Fixed in 0.0.42

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56767
  2. 2026-10-03 Alias added: GHSA-44p3-ph5c-h5h3

References

Patch 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences