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Framework: Shopper: privilege escalation via improper Livewire admin component authorization (CVE-2026-56828)

0
High
Published: 09/11/2026 (09/11/2026, 21:28:54 UTC)
Source: GCVE Database
Product: shopper/framework

Description

A privilege escalation vulnerability exists in shopper/framework's Livewire admin components where actions gated only by the 'view_users' permission allow unauthorized state changes. This enables users with limited permissions to escalate privileges by granting themselves additional permissions, creating new admin users, or deleting roles and permissions. The issue affects versions from 2.8.0 up to but not including 2.9.2. A patch is available that corrects authorization checks to require the 'access_setting' permission instead of 'view_users'.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Packagistghsa
shopper/framework
Affected versions
>=2.8.0 <2.9.2

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/12/2026, 01:30:08 UTC

Technical Analysis

Three Livewire admin components in shopper/framework (v2.8.0 through before v2.9.2) improperly gate state-mutating actions on the 'view_users' permission, which is intended as read-only. This misclassification allows a user with 'view_users' and 'access_dashboard' permissions to escalate privileges by granting any permission to their role, creating new admin users with chosen passwords, and deleting permissions or roles. The vulnerability is due to improper authorization checks in methods such as togglePermission, removePermission, and store, which call authorize('view_users') instead of the stricter authorize('access_setting'). The issue was introduced as a residual gap in a security fix commit and is confirmed by regression tests in the project's own test suite. The CVSS 3.1 score is 8.8 (High) with CWE-285 and CWE-862 classifications.

Potential Impact

An attacker with limited 'view_users' permission can escalate privileges to full admin by granting themselves additional permissions or creating new admin users. They can also delete permissions or roles, potentially causing denial of service in role-based access control. This compromises confidentiality, integrity, and availability of the system's administrative functions.

Mitigation Recommendations

A patch is available that changes authorization checks from 'view_users' to 'access_setting' in the affected components. Users should update to a fixed version that includes these changes. The suggested fix includes modifying authorization calls in togglePermission, removePermission, mount, and store methods, and adding authorization to the deleteAction method. Regression tests should be updated accordingly. No additional mitigation is required beyond applying the official fix.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-j328-xmgp-j4q3
Osv Schema Version
1.4.0
Aliases
["CVE-2026-56828"]
Ecosystems
["Packagist"]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6aa4a03b55bf5e2cf5a8744b

Added to database: 09/12/2026, 00:43:39 UTC

Last enriched: 09/12/2026, 01:30:08 UTC

Last updated: 09/12/2026, 01:30:08 UTC

Views: 4

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