Auth bypass in Adobe Commerce
CVE-2026-21309
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 to bypass security measures and gain unauthorized view access of data. Exploitation of this issue does not require user interaction.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (44.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Adobe Commerce — versions 0
- Adobe Commerce B2b
- Adobe Commerce — versions 2.4.4, 2.4.5, 2.4.6
- Adobe Commerce B2b — versions 1.3.3, 1.3.4, 1.3.5
- Adobe Magento — versions 2.4.5, 2.4.6, 2.4.7
- Adobe Magento Open Source
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/magento/apsb26-05.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21309?
- CVE-2026-21309 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-2026-21309?
- High severity. CVSS v3 base score is 7.5 out of 10.