EUVD-2026-74031
GHSA-wjm2-rrgg-c33j
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Network-exploitable with no credentials or user interaction; scope change captures cross-boundary read; impact is confidentiality-only with no integrity or availability loss.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionNVD
Adobe Commerce is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read access. Exploitation of this issue does not require user interaction. Scope is changed.
AnalysisAI
Incorrect Authorization (CWE-863) in Adobe Commerce allows unauthenticated remote attackers to bypass security controls and gain unauthorized read access across a changed security scope boundary. Affected products span Adobe Commerce 2.4.4-2.4.9, Adobe Commerce B2B 1.3.3-1.5.3, and Magento Open Source 2.4.6-2.4.9, all prior to the August 2026 security patches released under APSB26-138. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required for exploitation - CVSS PR:N/UI:N confirms unauthenticated exploitation with no user interaction against any network-exposed Adobe Commerce or Magento Open Source installation running an affected version. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.6 score is driven primarily by the scope change (S:C) combined with high confidentiality impact, network accessibility, zero authentication requirement, and no user interaction - a combination that elevates the score despite the impact being read-only. … 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 published by Adobe under bulletin APSB26-138, available at https://helpx.adobe.com/security/products/magento/apsb26-138.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running Adobe Commerce 2.4.4-2.4.9, Magento Open Source 2.4.6-2.4.9, or B2B extensions 1.3.3-1.5.3, and assess data sensitivity for each deployment. …
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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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