High 8.8Published Jun 25, 2026

CVE-2026-56767Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers

Updated under an hour ago (Oct 27, 2026, 10:23 PM ET)

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It affects getmaxun maxun. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for getmaxun maxun

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

getmaxun maxun getmaxun:maxun (from the name)	before 0.0.42; 0.0.42 not affected	CNA record

References

References

https://github.com/getmaxun/maxun/issues/1079	technical-description
https://github.com/getmaxun/maxun/pull/1088	issue-tracking
https://github.com/getmaxun/maxun/commit/11db0257531f1c23dec94727793c9444ee2873cf	patch
https://www.vulncheck.com/advisories/maxun-cross-tenant-idor-in-storage-and-webhook-api-handlers	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.