CVE-2026-48356
CRITICAL 9.3Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type 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 requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
17.9% modeled chance of exploitation in the next 30 days (97th percentile). Prioritize remediation.
Exploitation likelihood
17.9%chance of exploitation in 30 days · 97th percentile
Impact if exploited
9.3CVSS 3.1 · CRITICAL
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-48356/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-48356/poc.json
Affected
Vendors Adobe
Products Adobe Commerce Adobe Commerce B2b Magento Open Source Adobe Commerce Webhooks Plugin Commerce Commerce B2b Magento I\/O Events
Weakness (CWE)
- CWE-434: Unrestricted Upload of File with Dangerous Type (CWE-434)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.4 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.5 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.6 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.7 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.8 |
| Adobe | Commerce | 2.4.9 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.3 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.3.4 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
| Adobe | Commerce B2b | 1.4.2 |
Showing 120 of 171 configuration entries. Full list on NVD.
All CVSS metrics
- CRITICAL 9.3 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - CRITICAL 9.3 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N - CRITICAL 9.6 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H