CVE-2026-103849 json
Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
published 27d ago modified 20d ago also EUVD-2026-99219
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Adobe Adobe Commerce 2.4.10-alpha1,2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct, 2.4.6-2026-oct, 2.4.5-2026-oct, 2.4.4-2026-oct
- Adobe Adobe Commerce B2B 1.5.4-alpha1,1.5.3-2026-oct, 1.5.2-2026-oct, 1.4.2-2026-oct, 1.3.4-2026-oct, 1.3.3-2026-oct
- Adobe Magento Open Source 2.4.10-alpha1,2.4.9-2026-oct, 2.4.8-2026-oct, 2.4.7-2026-oct
Is CVE-2026-103849 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 27d ago
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/dinosn/cve-2026-103849-blockstrap-lab referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Adobe Adobe Commerce
- Adobe Adobe Commerce B2B
- Adobe Magento Open Source
Classification
- Weakness
-
- CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
References
Sources
- CVE List CVE-2026-103849
- NVD CVE-2026-103849
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.