CVE-2026-56767

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

HIGH
8.8
CVSS Score
Published: June 25, 2026 at 06:03 PM UTC
Updated: October 25, 2026 at 10:10 PM UTC
1 product affected across 1 vendorMaxun

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.0.42
Vendor states this is fixed in 0.0.42 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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