EUVD-2026-8464

Comprehensive Technical Analysis of EUVD-2026-8464

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the bleon-ethical/api-gateway-deploy version 1.0.0 involves an attack chain that combines OS Command Injection and Privilege Escalation. This combination allows an attacker to execute arbitrary commands with root privileges within the container, potentially leading to a container escape and unauthorized modifications to the infrastructure.

Severity Evaluation:

• Base Score: 9.2
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H

The CVSS score of 9.2 indicates a critical vulnerability. The vector string highlights the following characteristics:

• Attack Vector (AV): Local (L)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Changed (C)
• Confidentiality Impact (C): High (H)
• Integrity Impact (I): Low (L)
• Availability Impact (A): High (H)

This vulnerability is severe due to its potential for significant impact on confidentiality, integrity, and availability, even though it requires local access.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

1. OS Command Injection: An attacker can inject malicious commands through unsanitized input, leading to arbitrary command execution.
2. Privilege Escalation: Once inside the container, the attacker can escalate privileges to root, allowing for full control over the container and potentially escaping to the host system.

Exploitation Methods:

• Input Manipulation: Crafting input that includes OS commands.
• Privilege Escalation Techniques: Exploiting misconfigurations or vulnerabilities within the container to gain root access.
• Container Escape: Using root privileges to escape the container and gain control over the host system.

3. Affected Systems and Software Versions

Affected Software:

• bleon-ethical/api-gateway-deploy version 1.0.0

Affected Systems:

• Any system running the vulnerable version of bleon-ethical/api-gateway-deploy within a containerized environment.

4. Recommended Mitigation Strategies

1. Upgrade to the Latest Version:

   • Upgrade to version 1.0.1 or later, which includes fixes for the vulnerability.

2. Input Sanitization:

   • Ensure all inputs are strictly sanitized to prevent command injection.

3. Least Privilege Principle:

   • Run containers with the least privileges necessary. Avoid running containers as root.

4. Secure Configuration:

   • Use secure delimiters in entrypoint scripts.
   • Enforce non-root users in Dockerfiles.

5. Security Quality Gates:

   • Implement mandatory security quality gates in the CI/CD pipeline to catch vulnerabilities early.

6. Regular Audits:

   • Conduct regular security audits and vulnerability assessments.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using the bleon-ethical/api-gateway-deploy in their infrastructure. Given the critical nature of API gateways in modern applications, a successful exploit could lead to widespread disruption and data breaches. This underscores the importance of robust security practices and timely patch management in the European cybersecurity landscape.

6. Technical Details for Security Professionals

Vulnerability Details:

• OS Command Injection: The vulnerability arises from unsanitized input being passed to system commands.
• Privilege Escalation: The container runs with root privileges, allowing an attacker to escalate privileges and potentially escape the container.

Fixes Implemented in Version 1.0.1:

• Strict Input Sanitization: Ensures that all inputs are properly sanitized to prevent command injection.
• Secure Delimiters: Uses secure delimiters in entrypoint.sh to prevent command injection.
• Non-Root User: Enforces the use of a non-root user (appuser) in the Dockerfile.
• Security Quality Gates: Establishes mandatory security quality gates to catch vulnerabilities during development.

References:

• GitHub Security Advisory
• Release Notes

Aliases:

• CVE-2026-27208

Assigner:

• GitHub_M

ENISA IDs:

• Product: api-gateway-deploy version 1.0.0
• Vendor: bleon-ethical

By addressing this vulnerability promptly and implementing the recommended mitigation strategies, organizations can significantly reduce the risk of exploitation and enhance their overall security posture.