EUVD-2026-74030
GHSA-mmjp-g55x-jmrw
Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
PR:H confirmed by admin-credential prerequisite; A:L not A:H because description specifies only limited availability disruption, not full loss.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
Lifecycle Timeline
2DescriptionCVE.org
Adobe Commerce is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker with high privileges could leverage this vulnerability to bypass security measures and gain unauthorized write access, causing a limited disruption to availability. Exploitation of this issue does not require user interaction. Scope is changed.
AnalysisAI
Incorrect Authorization (CWE-863) in Adobe Commerce and Magento Open Source allows a high-privileged attacker to bypass access control boundaries and perform unauthorized writes to resources outside their intended scope, with the scope change (S:C) amplifying impact to components beyond the directly vulnerable module. All supported branches of Adobe Commerce (2.4.4-2.4.9), Magento Open Source (2.4.6-2.4.9), and Commerce B2B (1.3.3-1.5.3) prior to the August 2026 security patch cycle are affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated session holding high-privileged (admin-level) credentials on a vulnerable Adobe Commerce, Magento Open Source, or Commerce B2B instance - confirmed by CVSS PR:H. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.7 is elevated primarily by the scope change (S:C) and I:H/A:H combination, but PR:H substantially constrains real-world exploitability to threat actors who already hold admin-level credentials on the target instance. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the August 2026 security patches for Adobe Commerce, Magento Open Source, and Commerce B2B as specified in Adobe Security Bulletin APSB26-138 (https://helpx.adobe.com/security/products/magento/apsb26-138.html); exact patched version identifiers (the '2026-aug' suffix releases) for each supported branch are listed there. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit all administrative user accounts and privilege assignments; export and review admin activity logs for suspicious configuration changes or resource modifications. …
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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