What is CVE-2026-21289?

CVE-2026-21289 is a high-severity vulnerability in Adobe Commerce, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-03-11.

How severe is CVE-2026-21289?

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

Auth bypass in Adobe Commerce

CVE-2026-21289

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 (30.7th percentile) — read the EPSS interpretation.

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:H/I:N/A:N.

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-2026-21289?: CVE-2026-21289 is a high-severity vulnerability in Adobe Commerce, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-03-11.
How severe is CVE-2026-21289?: High severity. CVSS v3 base score is 7.5 out of 10.