CVE-2026-103849Adobe Commerce Vulnerability
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
Published Oct 13, 2026 · Updated Oct 19, 2026 · Also known as EUVD-2026-99219, GHSA-r2jr-3wj5-6696, ROOT-APP-COMPOSER-CVE-2026-103849
Key Facts
Patch in the next maintenance window- CVE-2026-103849 is a critical-severity vulnerability (CVSS 10.0 v3.1) affecting Adobe Commerce, Adobe Commerce B2B, Magento Open Source and 2 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 0.8% probability of exploitation in the next 30 days.
- Fixed versions are available, including magento/product-community-edition 0.74.0-beta2-p12007004+root.io, magento/product-community-edition 0.74.0-beta2-p12007005+root.io, magento/product-community-edition 2.3.1-p12007004+root.io.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.8%
Higher than 55.0% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
44/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Adobe Commerce | See advisory | n/a |
| Adobe Commerce B2B | See advisory | n/a |
| Magento Open Source | See advisory | n/a |
| magento/product-community-editionroot | See advisory | 0.74.0-beta2-p12007004+root.io |
| magento/product-enterprise-editionroot | See advisory | 2.4.7-p1012007004+root.io |
Patched Releases
magento/product-community-edition
0.74.0-beta2-p12007004+root.io, 0.74.0-beta2-p12007005+root.io, 2.3.1-p12007004+root.io, 2.3.1-p12007005+root.io, 2.4.7-p1012007004+root.io, 2.4.7-p1012007005+root.io, 2.4.8-p512007004+root.io, 2.4.8-p512007005+root.io
magento/product-enterprise-edition
2.4.7-p1012007004+root.io, 2.4.7-p1012007005+root.io, 2.4.7-p1012007006+root.io, 2.4.8-p512007005+root.io, 2.4.8-p512007006+root.io
Timeline
Publicly disclosed
Oct 13, 2026
Last updated
Oct 19, 2026
Weakness Type
- CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
References
- advisoryhelpx.adobe.com · security-bulletin.html
- advisoryadobe.com · apsb26-153.html
- advisoryUSOM advisory
- othergithub.com · CVE-2026-103849
FAQ
Common Questions.
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.
Affected: Adobe Commerce; Adobe Commerce B2B; Magento Open Source, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including magento/product-community-edition 0.74.0-beta2-p12007004+root.io, magento/product-community-edition 0.74.0-beta2-p12007005+root.io, magento/product-community-edition 2.3.1-p12007004+root.io.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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