Description
WeKnora has Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2026-10184
1. Vulnerability Assessment and Severity Evaluation
The vulnerability identified as EUVD-2026-10184 in WeKnora involves a Remote Code Execution (RCE) via Command Injection in the MCP Stdio Configuration Validation. The CVSS (Common Vulnerability Scoring System) base score of 10.0 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H breaks down as follows:
- AV:N (Network): The vulnerability is exploitable over the network.
- AC:L (Low): The attack complexity is low, meaning it is relatively easy to exploit.
- PR:L (Low): The attacker requires low privileges to exploit the vulnerability.
- UI:N (None): No user interaction is required.
- S:C (Changed): The vulnerability affects the confidentiality, integrity, and availability of the system.
- C:H (High): The confidentiality impact is high.
- I:H (High): The integrity impact is high.
- A:H (High): The availability impact is high.
Given these metrics, the vulnerability poses a significant risk to any organization using the affected versions of WeKnora.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector for this vulnerability is through network access. An attacker could exploit the vulnerability by injecting malicious commands into the MCP Stdio Configuration Validation process. This could be achieved through:
- Network Scanning: Identifying systems running the vulnerable versions of WeKnora.
- Command Injection: Crafting and sending specially designed input to the MCP Stdio Configuration Validation process to execute arbitrary commands.
- Automated Exploitation: Using automated tools or scripts to scan for and exploit the vulnerability en masse.
3. Affected Systems and Software Versions
The vulnerability affects WeKnora versions 0.2.5 through 0.2.10. Organizations using these versions are at risk and should prioritize updating to a patched version.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, organizations should:
- Update Software: Immediately update to the latest version of WeKnora that includes the security patch.
- Network Segmentation: Implement network segmentation to limit the exposure of vulnerable systems.
- Input Validation: Ensure that all input to the MCP Stdio Configuration Validation process is properly sanitized and validated.
- Monitoring and Logging: Enhance monitoring and logging to detect any suspicious activities related to the MCP Stdio Configuration Validation process.
- Access Control: Restrict access to the MCP Stdio Configuration Validation process to only trusted and necessary users.
5. Impact on European Cybersecurity Landscape
The critical nature of this vulnerability underscores the importance of robust cybersecurity measures within the European Union. Organizations, particularly those in critical infrastructure sectors, must be vigilant in applying patches and updates to mitigate such risks. The EU's cybersecurity frameworks, such as the NIS Directive and the Cybersecurity Act, emphasize the need for proactive measures to protect against such vulnerabilities.
6. Technical Details for Security Professionals
For security professionals, the following technical details are pertinent:
- Vulnerability Identification: The vulnerability is identified by EUVD-2026-10184, CVE-2026-30861, and GHSA-r55h-3rwj-hcmg.
- References:
- Patch Information: The patch is available in the GitHub commit referenced above.
- Detection: Security professionals should look for unusual command execution patterns in logs related to the MCP Stdio Configuration Validation process.
- Response: In case of an incident, isolate the affected system, apply the patch, and conduct a thorough investigation to determine the extent of the compromise.
By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of a successful attack and maintain the integrity and security of their systems.