What’s Vulnerable › Vulnerabilities

CVE-2026-103849: Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)

• Severity: critical (CVSS 10.0 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: 2026-10-13 · updated 2026-10-20
• Weakness: CWE-1336

Description

Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.

Affected products

• Adobe Commerce: through 2.4.9-2026-sep, 2.4.8-2026-sep, 2.4.7-2026-sep, 2.4.6-2026-sep, 2.4.5-2026-sep, 2.4.4-2026-sep
• Adobe Commerce: through 1.5.3-2026-sep, 1.5.2-2026-sep, 1.4.2-2026-sep, 1.3.4-2026-sep, 1.3.3-2026-sep
• Adobe Magento Open Source: through 2.4.9-2026-sep, 2.4.8-2026-sep, 2.4.7-2026-sep

References

• https://www.adobe.com/trust/security/products/commerce/apsb26-153.html
• https://github.com/dinosn/cve-2026-103849-blockstrap-lab

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