Executive Summary

CVE-2026-38566 is a Cross-Site Request Forgery (CSRF) vulnerability in HireFlow Interview Management System version 1.2. The application does not implement CSRF token validation on any state-changing POST endpoints, such as password changes, candidate deletions, feedback submissions, and interview scheduling. Additionally, the SESSION_COOKIE_SAMESITE attribute is not configured, which removes an important browser-level defense against CSRF attacks.

This flaw allows an attacker to trick an authenticated user into visiting a malicious webpage that silently performs unauthorized actions on the user's behalf without their knowledge.

Useful 0 Not Useful 0

Impact Analysis

The vulnerability can lead to several serious impacts including silent account takeovers by changing the victim's password, unauthorized deletion of candidate records, injection of arbitrary data such as forged feedback entries, and unauthorized scheduling of interviews.

Because these actions occur without the user's consent or awareness, it can compromise the integrity and availability of data and disrupt normal operations within the HireFlow system.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability can be detected by inspecting the state-changing POST endpoints of the HireFlow v1.2 application to verify the absence of CSRF token validation.

Specifically, check the forms related to password change (/profile), candidate deletion (/candidates/delete/<id>), feedback submission (/feedback/add/<id>), and interview scheduling (/interviews/add) for missing CSRF tokens.

Additionally, verify if the SESSION_COOKIE_SAMESITE attribute is configured in the Flask application settings, as its absence weakens browser-level CSRF defenses.

While no specific commands are provided, common approaches include using web application scanners or manual inspection tools such as Burp Suite or OWASP ZAP to intercept and analyze POST requests for CSRF tokens.

Useful 0 Not Useful 0

Mitigation Strategies

Immediate mitigation involves implementing CSRF token validation on all state-changing POST endpoints in the HireFlow application.

Additionally, configure the SESSION_COOKIE_SAMESITE attribute to 'Lax' or 'Strict' in the Flask configuration to enable browser-level CSRF protection.

Upgrading to HireFlow version 1.3, which includes the patch for this vulnerability, is recommended to fully resolve the issue.

Useful 0 Not Useful 0

Compliance Impact

The CSRF vulnerability in HireFlow v1.2 allows attackers to perform unauthorized actions on behalf of authenticated users, such as changing passwords, deleting records, or injecting arbitrary data without user consent.

This lack of proper CSRF protection and missing SESSION_COOKIE_SAMESITE configuration can lead to unauthorized data manipulation and potential data breaches.

Such security weaknesses can negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require protecting user data integrity and preventing unauthorized access or modifications.

Failure to implement adequate security controls like CSRF protection may result in violations of these regulations, leading to legal and financial consequences for organizations using the vulnerable software.

Useful 0 Not Useful 0