CVE-2026-3067 in HummerRisk
Summary
by MITRE • 02/24/2026
A vulnerability has been found in HummerRisk up to 1.5.0. This issue affects the function extractTarGZ/extractZip of the file hummer-common/hummer-common-core/src/main/java/com/hummer/common/core/utils/CommandUtils.java of the component Archive Extraction. The manipulation leads to path traversal. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 07/25/2026
This vulnerability in HummerRisk version 1.5.0 represents a critical path traversal flaw within the archive extraction functionality that poses significant security risks to affected systems. The issue is specifically located in the CommandUtils.java file where the extractTarGZ and extractZip functions handle decompression operations, making it a direct attack vector for malicious actors seeking to exploit the application's file handling capabilities.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the archive extraction routines. When the application processes compressed files through these functions, it fails to properly validate or sanitize the filenames contained within the archives, allowing attackers to manipulate paths through directory traversal sequences such as ../ or ..\ that can cause the extraction process to write files outside of the intended target directories. This flaw directly maps to CWE-22 Path Traversal vulnerability classification, which is categorized under the Common Weakness Enumeration framework as a fundamental security issue affecting file system access controls.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it enables attackers to potentially overwrite critical system files, inject malicious code into the application's execution environment, or establish persistent backdoors within the affected infrastructure. Remote exploitation capability means that adversaries can leverage this vulnerability without requiring physical access to the system, making it particularly dangerous for web-facing applications and services. The fact that a public exploit has been disclosed indicates that threat actors have already developed working attack vectors against this flaw, increasing the urgency for remediation.
Security professionals should immediately implement mitigations including input validation controls, restrictive file permissions on extraction directories, and application-level sandboxing of archive processing functions. The ATT&CK framework categorizes this type of vulnerability under T1059 Command and Scripting Interpreter and T1078 Valid Accounts, as attackers may use path traversal to gain unauthorized access to system resources or manipulate existing accounts with elevated privileges. Organizations should also consider implementing network segmentation controls around the affected application and monitoring for suspicious file creation patterns that might indicate exploitation attempts. The lack of vendor response despite early disclosure underscores the importance of proactive security measures and independent vulnerability assessment procedures that do not rely solely on vendor remediation timelines.