CVE-2026-86179 in Daily Expense Manager
Summary
by MITRE • 09/06/2026
A flaw has been found in code-projects Daily Expense Manager 1.0. Affected is an unknown function of the file /Daily-Expense-Manager/exp_ak.sql of the component Database Backup Handler. Executing a manipulation can lead to information disclosure. It is possible to launch the attack remotely. The exploit has been published and may be used.
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Analysis
by VulDB Data Team • 09/06/2026
The vulnerability identified in code-projects Daily Expense Manager version 1.0 represents a critical security flaw within its database backup handling mechanism, specifically located in the file exp_ak.sql. This component is responsible for managing backups of user financial data, which inherently contains sensitive personal and transactional information. The core issue stems from an unknown function that fails to properly validate or sanitize inputs when executing manipulation commands against this SQL script. As a result, attackers can exploit this weakness to bypass intended access controls or logic flows within the application's backend processing. This flaw is classified under CWE-209 as an Information Exposure Through Error Message vulnerability, although it may also intersect with CWE-89 for SQL Injection depending on how the manipulation interacts with underlying database queries. The lack of proper input validation allows malicious actors to craft specific requests that trigger unintended behavior in the backup handler, leading directly to unauthorized access to stored data.
From an operational perspective, this vulnerability enables remote information disclosure without requiring prior authentication or complex setup procedures from the attacker's side. Since the exploit has been publicly published and is known to be functional, threat actors can leverage existing tools to target vulnerable instances of Daily Expense Manager over a network connection. The impact of such exploitation is severe for end-users who rely on this software to track daily expenditures, as it compromises their financial privacy and potentially exposes banking details or payment histories stored within the database. This aligns with MITRE ATT&CK technique T1005, which describes Data from Local System being collected through application layer protocols rather than direct file system access. The ability to launch this attack remotely significantly lowers the barrier for entry, allowing opportunistic attackers to harvest sensitive data from any exposed instance of the software on a network or public internet connection.
Mitigation strategies must focus immediately on isolating vulnerable instances and applying patches if available from the vendor. In cases where updates are not yet released, administrators should restrict access to the exp_ak.sql endpoint by configuring web server rules to deny external requests targeting this specific file path. Additionally implementing strict input validation at the application layer for all database interaction points can help prevent similar manipulation attempts in other components of the software. Security teams should also monitor network traffic for unusual SQL patterns or excessive backup-related API calls that might indicate active exploitation attempts. Given the public availability of exploits, proactive defense measures are essential to protect user data integrity and confidentiality until a permanent code fix is deployed by the developers.