CVE-2026-54176 in CRUD
Summary
by MITRE • 09/14/2026
backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.38, MyAccountController::postAccountInfoForm at POST /admin/edit-account-info permits AccountInfoRequest to update backpack_authentication_column(), which is email by default, without requiring current_password or otherwise verifying the account's existing password. An attacker with a temporary authenticated Backpack session can change the account-recovery email and later use the password-reset flow after the original session expires, converting session compromise into persistent account takeover. The same mechanism permits an insider to set a personal recovery address before access is revoked. The separate password-change endpoint is not affected because it verifies old_password. This issue is fixed in versions 6.8.14 and 7.0.38.
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Analysis
by VulDB Data Team • 09/14/2026
The backpack/crud package, which serves as a foundational component for building custom administration panels within the Laravel ecosystem, contains a critical authentication bypass vulnerability affecting specific releases between version 6.0.0 through 6.8.14 and 7.0.38. This flaw resides specifically in the MyAccountController::postAccountInfoForm endpoint, which handles POST requests to /admin/edit-account-info. The core technical deficiency lies in the AccountInfoRequest validation logic, which permits updates to the backpack_authentication_column, typically configured as the email address field, without requiring verification of the user's current password or any other form of multi-factor authentication. This design oversight creates a significant gap in identity assurance for sensitive account configuration changes, allowing authenticated users to modify critical recovery credentials with minimal friction.
From an operational security perspective, this vulnerability enables two distinct attack vectors depending on the threat actor's position and capabilities. For external attackers who have managed to compromise or hijack a temporary Backpack session through methods such as cross-site scripting, session fixation, or credential stuffing, this flaw transforms transient access into persistent account takeover. By altering the associated email address during an active but potentially unstable session, the attacker can subsequently exploit the standard password-reset functionality once the original compromised session expires. This effectively neutralizes any security controls that rely on session expiration to mitigate initial compromise. Similarly, insider threats or malicious administrators with legitimate access can leverage this mechanism to set a personal recovery email address before their privileges are revoked by management, ensuring continued unauthorized access even after formal deprovisioning occurs.
The severity of this issue is compounded by the fact that it bypasses standard security expectations for account modification workflows. Industry standards such as CWE-287, which classifies improper authentication mechanisms, and CWE-640, regarding weak password recovery procedures, are directly implicated here. The vulnerability aligns with MITRE ATT&CK technique T1098.003, specifically SSH Authorized Key Modification or Account Manipulation via email change in web applications, where adversaries alter account properties to maintain persistence. It is important to note that the separate endpoint responsible for changing passwords remains secure as it correctly validates the old_password field, highlighting an inconsistency in security implementation across related functionality within the same controller structure.
To mitigate this vulnerability, organizations must immediately upgrade backpack/crud to version 6.8.14 or later, where the issue has been resolved by enforcing stricter validation requirements for account information updates. In environments where upgrading is not immediately feasible, administrators should implement compensating controls such as requiring re-authentication via password entry or multi-factor authentication before allowing changes to sensitive fields like email addresses. Additionally, implementing robust session management policies that limit the lifespan of administrative sessions and monitoring for unusual patterns in account modification requests can help detect potential exploitation attempts. Regular security audits focusing on identity and access management workflows are recommended to ensure consistency across all user-facing endpoints within Laravel-based administration panels.