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

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-14 · updated 2026-08-28
Weakness: CWE-116

Description

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.

Affected products

Adobe Commerce: 2.4.4, 2.4.4-p1, 2.4.4-p10, 2.4.4-p11, 2.4.4-p12, 2.4.4-p13 (+70)
Adobe Commerce: 1.3.3, 1.3.3-p1, 1.3.3-p10, 1.3.3-p11, 1.3.3-p12, 1.3.3-p13 (+49)
Adobe I/O Events: from 1.6.0 before 1.21.0 — fixed in 1.21.0
Adobe Magento: 2.4.6, 2.4.6-p1, 2.4.6-p10, 2.4.6-p11, 2.4.6-p12, 2.4.6-p13 (+33)
Adobe Commerce Events: through 1.20.0
Adobe Commerce: through 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18
Adobe Commerce: through 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18
Adobe Magento Open Source: through 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15

How to fix

Upgrade to a fixed version: Adobe I/O Events 1.21.0. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/magento/apsb26-73.html

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