CVE-2026-48358: Adobe Commerce | Improper Encoding or Escaping of Output (CWE-116)

Critical 9.1 EPSS 1.2% Magento / Adobe Commerce

Adobe Commerce is affected by an Improper Encoding or Escaping of Output vulnerability that could result in arbitrary code execution in the context of the current user. An attacker with high privileges could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

CVE-2026-48358CVE identifier
9.1CVSS 3.1 base score (critical)
1.2%EPSS: chance of exploitation in the next 30 days (higher than 68% of CVEs)
2026-07-14published

What do these terms mean? CVE · CVSS score · exploited (KEV) · EPSS · backported fix · all terms

What to do now

Check whether you run Magento / Adobe Commerce and which version (commands below).
Install the fixed version for your system: see “Patch it” below.
bin/magento setup:upgrade && bin/magento cache:flush; reload PHP-FPM

Affected and fixed versions

Affected:

Adobe Adobe Commerce 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18 and earlier
Adobe Adobe Commerce B2B 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18 and earlier
Adobe Magento Open Source 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15 and earlier
Adobe Adobe Commerce Events 1.20.0 and earlier

Patch it

Use the commands for your system. Distribution packages often keep an older version number with the fix backported, so compare with the fixed package versions in the table below, not only with the upstream version.

Debian

not packaged: composer require magento/product-community-edition

Ubuntu

not packaged: composer

RHEL, AlmaLinux, Rocky, Oracle

not packaged: composer

Fedora

not packaged

SUSE / openSUSE

not packaged

Amazon Linux

not packaged: composer

Arch Linux

not packaged

Alpine

not packaged

FreeBSD

not packaged

General update steps for every system are on the Linux and Unix & BSD pages; after updating, see which services to restart.

Sources

Page generated automatically from official sources on 2026-11-03 18:05 UTC. Always confirm with your vendor's advisory.