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CVE-2026-48356

CRITICAL 9.3

Published 2026-07-14 · Last modified 2026-07-21

Adobe 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.

LIKELY TARGET

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

○ In CISA KEV ○ Public exploit / PoC

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

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

VendorProductVersion range
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.4
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.5
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.6
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.7
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.8
AdobeCommerce2.4.9
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.3
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.3.4
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2
AdobeCommerce B2b1.4.2

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

References

Sources: NVD · CVE.org · EPSS