CVE record · CVE-2026-21282

Adobe Commerce | Improper Input Validation (CWE-20)

CVSS 5.3 MediumEPSS 0.0054 · 45th percentile

Published by the CVE Program (CNA: adobe) at 11 Mar 2026, 02:19 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Adobe	Adobe Commerce	affected 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 custom unaffected 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 custom Other versions: unaffected
Adobe	Adobe Commerce B2B	affected 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16 and earlier custom unaffected 1.5.3-beta1, 1.5.2-p4, 1.4.2-p9, 1.3.5-p14, 1.3.4-p16, 1.3.3-p17 custom Other versions: unaffected
Adobe	Magento Open Source	affected 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15 and earlier custom unaffected 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16 custom Other versions: unaffected

Identifiers: CVE-2026-21282
CNA: adobe
Weakness (CWE): CWE-20
Tags: Adobe Commerce
Adobe Commerce B2B
Adobe Magento Open Source
CWE-20
Published: 11 Mar 2026
Updated: 27 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CNA (adobe)

CISA KEV Not listed.
EPSS 0.0054, the 45th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

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

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.