What is CVE-2026-59539?

CVE-2026-59539 is a high-severity vulnerability in Cozmoslabs Paid Member Subscriptions, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-07-27.

How severe is CVE-2026-59539?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Cozmoslabs Paid Member Subscriptions

CVE-2026-59539

Subscriber Insecure Direct Object References (IDOR) in Paid Member Subscriptions <= 3.0.7 versions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cozmoslabs Paid Member Subscriptions — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-59539?: CVE-2026-59539 is a high-severity vulnerability in Cozmoslabs Paid Member Subscriptions, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-07-27.
How severe is CVE-2026-59539?: High severity. CVSS v3 base score is 7.5 out of 10.