CVE-2026-128046 (GCVE-0-2026-128046)

Vulnerability from cvelistv5 – Published: 2026-11-13 09:33 – Updated: 2026-11-13 16:01
VLAI
Title
OpenMage magento-lts 20.17.0 before 20.18.2 Unrestricted File Upload RCE via Custom Options
Summary
OpenMage magento-lts 20.17.0 before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains an unrestricted file upload vulnerability because the general/file/protected_extensions blocklist omits phar, php8, and phps. Unauthenticated attackers can upload a .phar file through a product File custom option to a predictable media/custom_options path and request it directly to execute code on servers that map .phar to PHP and serve that directory.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-13 15:34 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
OpenMage magento-lts Affected: 20.17.0 , < 20.18.2 (semver)
Unaffected: 20.18.2 (semver)
Create a notification for this product.
OpenMage magento-lts Affected: 21.0.0-beta1 , < 21.0.0-beta3 (semver)
Unaffected: 21.0.0-beta3 (semver)
Create a notification for this product.
Date Public
2026-10-26 00:00
Credits
arpitjain099 4n86rakam1 colinmollenhour Hanmac
Show details on NVD website
To clipboard 

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