What is CVE-2026-21359?

CVE-2026-21359 is a medium-severity vulnerability in Adobe Commerce, classified under Incorrect Authorization. CVSS score: 4.7/10. Published 2026-03-11.

How severe is CVE-2026-21359?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Auth bypass in Adobe Commerce

CVE-2026-21359

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this…

Vulnerability class: Broken Access Control

EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:L.

Affected products

Adobe Commerce — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

helpx.adobe.com/security/products/magento/apsb26-05.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-21359?: CVE-2026-21359 is a medium-severity vulnerability in Adobe Commerce, classified under Incorrect Authorization. CVSS score: 4.7/10. Published 2026-03-11.
How severe is CVE-2026-21359?: Medium severity. CVSS v3 base score is 4.7 out of 10.