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CubeCart EUVDEUVD-2026-82531

| CVE-2026-54643 MEDIUM
Missing Authorization (CWE-862)
2026-09-17 security-advisories@github.com
5.4
CVSS 3.1 · Vendor: github
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Severity by source

Vendor (github) PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
vuln.today AI
5.4 MEDIUM

Authenticated but under-privileged admin (PR:L) over the network with no UI; deleting audit notes is limited integrity/availability loss (I:L/A:L) and no confidentiality impact (C:N).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (github).

CVSS VectorVendor: github

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Patch available
Sep 17, 2026 - 23:04 EUVD
Analysis Generated
Sep 17, 2026 - 22:42 vuln.today

DescriptionCVE.org

CubeCart is an ecommerce software solution. Prior to 6.7.5, the delete-note handler in admin/sources/orders.index.inc.php verifies only the presence of order_id and delete-note parameters before deleting records from CubeCart_order_notes, without requiring CC_PERM_DELETE for orders. An authenticated administrator lacking order modification privileges can directly invoke the handler with valid identifiers and delete order-history notes, removing operational records and audit-trail data. This issue is fixed in version 6.7.5.

AnalysisAI

CubeCart versions prior to 6.7.5 contain a broken access-control flaw in the admin order-note deletion handler (admin/sources/orders.index.inc.php), allowing an authenticated administrator who lacks the CC_PERM_DELETE order-modification privilege to delete records from the CubeCart_order_notes table with a single crafted request. The handler only checks that order_id and delete-note parameters are present, so back-office staff with restricted roles can erase order-history and audit-trail notes. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires a valid authenticated CubeCart administrator session (PR:L) on a store running a version prior to 6.7.5. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but low-to-moderate priority issue. … 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 Upgrade CubeCart to version 6.7.5, which is the vendor-released patch that adds the missing Admin::getInstance()->permissions('orders', CC_PERM_DELETE) check to the delete-note handler. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-82531 vulnerability details – vuln.today

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