Adobe Commerce and Magento Open Source Improper Input Validation Vulnerability (CVE-2025-54236) Security Advisory
Executive & SecOps Summary
SECOPS ASSESSMENTAdobe Commerce and Magento Open Source versions 2.4.9-alpha2, 2.4.8-p2, 2.4.7-p7, 2.4.6-p12, 2.4.5-p14, 2.4.4-p15 and earlier
Unauthenticated remote attackers can exploit this vulnerability to achieve session takeover and potential remote code execution (RCE) without user interaction
Immediately apply the official Adobe security patches (APSB25-88) and restrict access to session management endpoints
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Apply the official security updates provided in Adobe Security Bulletin APSB25-88. Use Composer to upgrade your Magento/Adobe Commerce installation to a secure version.
# Update Composer dependencies and apply the latest security patch
composer require adobe/composer-root-update-plugin ~2.0 --no-update
composer update
# Run Magento upgrade and compilation commands
bin/magento setup:upgrade
bin/magento setup:di:compile
bin/magento cache:clean2. Temporary Workaround & Hardening Configuration
If immediate patching is not feasible, implement web server rules to block suspicious requests containing directory traversal or session manipulation patterns.
# Nginx configuration to block malicious session manipulation attempts
server {
location ~* /(session|checkout/cart|customer/account)/ {
# Block requests containing directory traversal sequences in arguments
if ($args ~* '(\.\./|\.\.\\)') {
return 403;
}
try_files $uri $uri/ /index.php$is_args$args;
}
}3. Log Audit & IoC Verification Commands
Verify the installed version of Magento and inspect access logs for potential exploitation attempts targeting session endpoints.
# Check the current Magento version
php bin/magento --version
# Scan web server access logs for suspicious session-related payloads
grep -ri 'session' /var/log/nginx/access.log | grep -E '(\.\./|\.\.\\|eval|base64)'Block Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2025-54236) is an Improper Input Validation flaw (CWE-20) residing within the session management and cleanup mechanisms (such as SessionReaper) of Adobe Commerce and Magento Open Source. Due to insufficient validation of incoming session identifiers and parameters, the application fails to properly sanitize user-supplied inputs, allowing malicious payloads to be processed as legitimate session data.
2. Exploitation Mechanics & Attack Scenario
An unauthenticated remote attacker can exploit this vulnerability over the network without requiring any user interaction. By sending crafted HTTP requests targeting session-handling endpoints, the attacker bypasses input validation checks. This allows them to manipulate session files, hijack active sessions (Session Takeover), or inject malicious payloads that lead to arbitrary code execution on the underlying server.
3. Infrastructure & Business Impact
With a CVSS score of 9.1 (Critical), this vulnerability poses a severe threat. It has been added to CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. Successful exploitation can lead to complete compromise of the e-commerce platform, unauthorized access to sensitive customer data, payment information theft, and potential ransomware deployment across the infrastructure.
Official Vendor Advisories & References
Adobe Commerce versions 2.4.9-alpha2, 2.4.8-p2, 2.4.7-p7, 2.4.6-p12, 2.4.5-p14, 2.4.4-p15 and earlier are affected by an Improper Input Validation vulnerability. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality, and integrity impact to high. Exploitation of this issue does not require user interaction.
Frequently Asked SecOps Questions (CVE-2025-54236)
FAQQ1. How critical is CVE-2025-54236 and is it actively exploited in the wild?
CVE-2025-54236 is rated CVSS 9.1 (CRITICAL) with a 30-day EPSS exploitation probability of 95.3%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2025-54236?
Primary impacted vendors include adobe across commerce, magento. Scope summary: Adobe Commerce and Magento Open Source: 2.4.9-alpha2, 2.4.8-p2, 2.4.7-p7, 2.4.6-p12, 2.4.5-p14, 2.4.4-p15 and earlier
Q3. What temporary mitigations or workarounds exist for CVE-2025-54236 before patching?
[Mitigation] Immediately apply the official Adobe security patches (APSB25-88) and restrict access to session management endpoints Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2025-54236
Instantly format this advisory into an executive CISO summary or engineering patch ticket.
🔗 Related Advisories in Similar Stack (adobe)
View Category →Adobe Commerce (Magento) Server-Side Template Injection (SSTI) Remote Code Execution (CVE-2026-75650)
[Affected Scope] All unpatched versions of Adobe Commerce and Magento Open Source.
Adobe ColdFusion Path Traversal Remote Code Execution Vulnerability Urgent Advisory (CVE-2026-48282)
[Affected Scope] Adobe ColdFusion versions 2025.9, 2023.20 and earlier
Adobe Commerce (Magento) Unrestricted File Upload Vulnerability (CVE-2026-48356) - Critical RCE Advisory
[Affected Scope] All versions of Adobe Commerce and Magento Open Source prior to APSB26-73.
Adobe Commerce (Magento) Critical Privilege Escalation Vulnerability Advisory (CVE-2026-71362)
[Affected Scope] All versions of Adobe Commerce and Magento Open Source (2.4.7 and earlier)
Subscribe to Daily Vulnerability Briefings & KEV Alerts
Concise morning briefings for SecOps, DevSecOps, and SRE teams covering newly exploited CVEs and mitigation priorities.