Medium severity · published Mar 11, 2026
CVE-2026-21310
Adobe Commerce | Improper Input Validation (CWE-20)
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
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 Improper Input Validation vulnerability that could result in a security feature bypass, with limited impact to integrity. Exploitation of this issue does not require user interaction.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Commerce · Adobe
through 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 · source: vendor, NVD
AC
Adobe Commerce B2B · Adobe
through 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16 · source: vendor
CB
Commerce B2b · Adobe
before 1.3.3; 1.3.3; 1.3.3; 1.3.3; 1.3.3; 1.3.3; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21310
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21310
Vendor Advisory
https://helpx.adobe.com/security/products/magento/apsb26-05.html
More from Commerce
10.0
CVE-2026-75650
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
9.8
CVE-2024-34102
XXE can expose crypt key and other secrets granting full admin access
9.8
CVE-2022-24086
Adobe Commerce checkout improper input validation leads to remote code execution
9.3
CVE-2026-48356
Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)
9.1
CVE-2026-71362
Adobe Commerce | Incorrect Authorization (CWE-863)