What is CVE-2026-56767?

CVE-2026-56767 is a high-severity vulnerability in Getmaxun Maxun, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-56767?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Getmaxun Maxun

CVE-2026-56767

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 Goo…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Getmaxun Maxun — versions 0, 0.0.42

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56767?: CVE-2026-56767 is a high-severity vulnerability in Getmaxun Maxun, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-56767?: High severity. CVSS v3 base score is 8.8 out of 10.