CVE-2026-41545 in QuMagie
Summary
by MITRE • 10/15/2026
A relative path traversal vulnerability has been reported to affect QuMagie. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data.
We have already fixed the vulnerability in the following version: QuMagie 2.9.1 and later
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Analysis
by VulDB Data Team • 10/15/2026
The reported security issue within QuMagie represents a classic relative path traversal flaw, which falls under the broader category of improper input validation regarding file system operations. This type of vulnerability typically arises when an application constructs file paths based on user-supplied data without adequately sanitizing or validating those inputs to ensure they remain within the intended directory boundaries. In this specific instance, the weakness allows for unauthorized access to files that reside outside the expected scope of the application's operational context. The core technical flaw lies in the failure to properly resolve and restrict file paths relative to a designated root directory, thereby enabling an attacker to manipulate path components such as dot-dot-slash sequences or other traversal characters to ascend the directory hierarchy.
The severity and exploitability of this vulnerability are heavily dependent on the authentication status of the actor attempting to leverage it. As noted in the initial report, exploitation requires that a remote attacker first gains access to an administrator account within the QuMagie environment. This prerequisite significantly narrows the attack surface compared to unauthenticated vulnerabilities but does not eliminate the risk entirely. Once administrative privileges are obtained, whether through credential theft, brute force attacks against weak passwords, or other authentication bypass techniques, the attacker can interact with the vulnerable functionality. By crafting specific requests that include maliciously constructed file paths, the attacker instructs the application to read files from arbitrary locations on the underlying operating system rather than limiting access to designated media or configuration directories.
The operational impact of this vulnerability is primarily centered around information disclosure and potential data exfiltration. An adversary who successfully exploits this path traversal can read the contents of unexpected files, which may include sensitive system configurations, database connection strings, source code containing hardcoded secrets, or other proprietary data stored on the server hosting QuMagie. This exposure compromises the confidentiality integrity of the environment by revealing internal structures and potentially providing footholds for further lateral movement within a networked infrastructure. While the primary impact is read-based access to file contents, in certain configurations where file inclusion vulnerabilities are also present, this could theoretically lead to remote code execution if an attacker can write or manipulate files that are subsequently included by the application logic.
From a classification perspective, this vulnerability aligns with CWE-22: Improper Limitation of a Pathname to a Restricted Directory and is often associated with ATT&CK technique T1083: File and Directory Discovery. These frameworks highlight the importance of enforcing strict access controls and validating all user inputs that influence file system operations. The reliance on administrative privileges for exploitation underscores the critical need for robust identity and access management practices, including multi-factor authentication and regular credential rotation to mitigate the risk of initial compromise leading to this secondary vulnerability.
To remediate this issue, users must upgrade QuMagie to version 2.9.1 or any later release where the developers have implemented fixes for the path traversal logic. The patch likely involves implementing strict allow-listing of permitted file extensions and directories, normalizing input paths before processing them, and ensuring that resolved absolute paths are verified against a predefined root directory to prevent escape sequences from being processed. Additionally, organizations should enforce principle of least privilege by restricting administrative access only to essential personnel and monitoring for unusual file system activity or unauthorized data transfers as part of broader security hygiene measures.