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CVE-2026-25524— OpenMage LTS's Phar Deserialization leads to Remote Code Execution

CVSS 8.1 · High EPSS 0.27% · P50
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I. Basic Information for CVE-2026-25524

Vulnerability Information
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Vulnerability Title
OpenMage LTS's Phar Deserialization leads to Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to version 20.17.0, PHP functions such as `getimagesize()`, `file_exists()`, and `is_readable()` can trigger deserialization when processing `phar://` stream wrapper paths. OpenMage LTS uses these functions with potentially controllable file paths during image validation and media handling. An attacker who can upload a malicious phar file (disguised as an image) and trigger one of these functions with a `phar://` path can achieve arbitrary code execution. Version 20.17.0 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenMage Magento Lts（Magento） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenMage Magento Lts（Magento）是OpenMage组织的一个电子商务系统。 OpenMage Magento Lts（Magento） 20.17.0之前版本存在安全漏洞，该漏洞源于处理phar://路径时可能触发反序列化，可能导致任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenMagemagento-lts < 20.17.0 -

II. Public POCs for CVE-2026-25524

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III. Intelligence Information for CVE-2026-25524

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Vendor · 1Advisory · 1

Same Patch Batch · OpenMage · 2026-04-20 · 4 CVEs total

CVE-2026-255254.9 MEDIUMOpenMage LTS has Path Traversal Filter Bypass in Dataflow Module
CVE-2026-40098OpenMage LTS imports cross-user wishlist item via shared wishlist code, leading to private
CVE-2026-40488OpenMage LTS has Customer File Upload Extension Blocklist Bypass that Leads to Remote Code

IV. Related Vulnerabilities

Same product: magento-lts
Same vendor: OpenMage
Same weakness: CWE-502

V. Comments for CVE-2026-25524

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