Adobe Commerce and Magento Improper Input Validation Vulnerability
Adobe · Commerce and Magento
Adobe Commerce and Magento contain an improper input validation flaw. An attacker with network access can exploit it without authentication or user interaction to take over sessions and compromise confidentiality and integrity.
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.
- Exploited
- Yes, in CISA KEV
- Reports
- 0
- Tactics
- 2/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 42 days after disclosure. Public exploit code (PoC-in-GitHub) appeared 1 day after disclosure.
- Disclosedday 0
- Public exploit codePoC-in-GitHub+1 day
- First seen exploitedVulnCheck KEV evidence+42 days
- Added to CISA KEVEU database agrees+45 days
CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
2 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order, 2 cited passages 2Initial AccessTA0001
Public-facing e-commerce app exploited remotely without authentication
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
Lateral MovementTA0008
Session takeover enables reuse of hijacked session tokens
A successful attacker can abuse this to achieve session takeover
Detection
0 rules for this CVE · 154 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2025-54236 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Exploit Public-Facing ApplicationT1190149 general rules
- Arcadyan Router Exploitationscriticaltest
- Citrix ADS Exploitation CVE-2020-8193 CVE-2020-8195criticaltest
- Citrix Netscaler Attack CVE-2019-19781criticaltest
- Confluence Exploitation CVE-2019-3398criticaltest
- CVE-2010-5278 Exploitation Attemptcriticaltest
- CVE-2020-0688 Exchange Exploitation via Web Logcriticaltest
- CVE-2020-10148 SolarWinds Orion API Auth Bypasscriticaltest
- CVE-2020-5902 F5 BIG-IP Exploitation Attemptcriticaltest
Use Alternate Authentication MaterialT15505 general rules
- AWS Suspicious SAML Activitymediumtest
- AWS STS AssumeRole Misuselowtest
- AWS STS GetSessionToken Misuselowtest
- Outgoing Logon with New Credentialslowtest
- User with Privileges Logonlowtest
Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.
Am I affected? What do I upgrade to?
From GitHub Security Advisories and OSV2 packages in 1 ecosystem. No single main package: each of these ships the affected code.
- Packagistmagento/community-editionAffected: 2.4.9-alpha1 through 2.4.9-alpha2; 2.4.8-beta1 through 2.4.8-p2; 2.4.7-beta1 through 2.4.7-p7; 2.4.6-p1 through 2.4.6-p12; 2.4.5-p14 and earlierNo fixed version published
- Packagistmagento/project-community-editionAffected: 2.0.2 and earlierNo fixed version published
What security researchers reported
Not named in any threat report yetAlso mentioned in 50 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- Actively_Exploited_Kev | Oct 30, 202629 Oct 2026
- deepveindrilling.com: Magento CMS block loader hits 953 stores28 Oct 2026
- Actively_Exploited_Kev | Oct 29, 202628 Oct 2026
- Actively_Exploited_Kev | Oct 28, 202627 Oct 2026
- Hackers Infect 953 Online Stores With Malicious JavaScript That Evades Security Scanners27 Oct 2026
- Actively_Exploited_Kev | Oct 27, 202626 Oct 2026
- 44 more on OTX