CVE-2026-103849
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
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.
- Record
CVE-2026-103849- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
EUVDEUVD-2026-99219
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.
- Record
EUVD-2026-99219- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r2jr-3wj5-6696
Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template...
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.
- Record
GHSA-r2jr-3wj5-6696- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-103849- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
OSVROOT-APP-COMPOSER-CVE-2026-103849 No score
CVE-2026-103849 in magento/product-enterprise-edition - Patched by Root
Root has patched CVE-2026-103849 in the magento/product-enterprise-edition package for Root:Composer. Multiple fixed versions available.
- Record
ROOT-APP-COMPOSER-CVE-2026-103849- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/product-enterprise-editionRoot:Composer |
before 2.4.7-p1012007004+root.io | 2.4.7-p1012007004+root.io2.4.8-p512007005+root.io2.4.7-p1012007005+root.io2.4.7-p1012007006+root.io2.4.8-p512007006+root.io |
magento/product-community-editionRoot:Composer |
before 0.74.0-beta2-p12007004+root.io | 0.74.0-beta2-p12007004+root.io2.4.7-p1012007004+root.io2.3.1-p12007004+root.io2.4.8-p512007004+root.io2.3.1-p12007005+root.io2.4.7-p1012007005+root.io0.74.0-beta2-p12007005+root.io2.4.8-p512007005+root.io |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | dinosn/cve-2026-103849-blockstrap-lab | 2026-10-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-103849 is a critical vulnerability (CVSS 10.0) in Adobe Commerce, published October 13, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in magento/product-enterprise-edition 2.4.7-p1012007004+root.io.