Critical severity · published Oct 13, 2026
CVE-2026-103849
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
10.0
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Commerce · Adobe
through 2.4.9-2026-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 · source: vendor
AC
Adobe Commerce B2B · Adobe
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 · source: vendor
In the news
VulnerabilityCritical
Critical BlockStrap flaw lets hackers run code on Magento servers
Researchers warn that hackers could soon exploit a maximum-severity vulnerability (CVE-2026-103849) affecting Magento and Adobe Commerce, potentially allowing them to execute arbitrary PHP code on store servers. [...]
Oct 16, 2026·BleepingComputer
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103849
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103849
vendor-advisory
https://www.adobe.com/trust/security/products/commerce/apsb26-153.html
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