CVE-2026-110667 in sar2html
Summary
by MITRE • 10/14/2026
A security flaw has been discovered in cemtan sar2html 4.0.0. Affected by this vulnerability is an unknown functionality of the file sar2html.py. The manipulation of the argument SECRET_KEY results in hard-coded credentials. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 10/14/2026
The discovery of a security vulnerability within cemtan sar2html version 4.0.0 highlights significant deficiencies in secure coding practices regarding credential management and configuration handling. This specific flaw resides within the file sar2html.py, where the manipulation of the SECRET_KEY argument leads to the exposure or hard-coding of sensitive credentials. In modern software development, secret keys are intended to be dynamic values derived from environment variables, dedicated configuration files with restricted permissions, or secure vaults, ensuring that they remain isolated from the application source code and deployment artifacts. The presence of hardcoded secrets fundamentally undermines this security model by embedding authentication material directly into the binary or script logic, making it accessible to anyone who can read the file system where the software is deployed.
This vulnerability aligns closely with CWE-798: Use of Hard-coded Credentials, a classification that denotes instances where developers embed static credentials such as passwords, API keys, or encryption secrets directly within source code rather than retrieving them at runtime from secure storage mechanisms. The operational impact of this flaw is severe because it allows for potential unauthorized access to the application's protected resources if an attacker can obtain read access to the sar2html.py file. Since the project has not yet responded to early issue reports, users are currently exposed to this risk without a patched version available from the vendor. This lack of response exacerbates the threat landscape by leaving administrators with no official remediation path other than manual code modification or forking the repository to apply their own fixes.
From an offensive security perspective, this vulnerability facilitates remote exploitation scenarios where attackers do not need complex injection techniques but rather simple file access privileges. If sar2html.py is located in a web-accessible directory or if server misconfigurations allow public read access to Python source files, an attacker can extract the SECRET_KEY and use it to impersonate legitimate users or decrypt sensitive data handled by the application. This scenario maps directly to MITRE ATT&CK technique T1539: Steal Web Session Cookie, as well as broader categories under Initial Access such as Valid Accounts if the key grants administrative privileges. The ability to execute attacks remotely increases the attack surface significantly, particularly in cloud-native or containerized environments where source code might be inadvertently exposed through misconfigured volume mounts or image layers.
Mitigation strategies for this vulnerability require immediate action by system administrators and developers alike. In the short term, organizations should audit their file permissions on sar2html.py to ensure that it is not world-readable, particularly in web server contexts. Developers must refactor the codebase to remove hardcoded secrets entirely, replacing them with dynamic loading mechanisms such as reading from environment variables or using libraries designed for secure secret management like HashiCorp Vault or AWS Secrets Manager. Furthermore, integrating static application security testing tools into the continuous integration pipeline can help detect hard-coded credentials before they reach production environments. Until a vendor-patched version is released, applying these manual mitigations and restricting file access are critical steps to reduce the risk of credential compromise associated with this flaw in cemtan sar2html 4.0.0.