What is the CVSS score of CVE-2026-27208?

CVE-2026-27208 has a CVSS 3.1 base score of 9.2 (Critical). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H. EPSS exploitation probability: 0.2%.

How to fix or mitigate CVE-2026-27208?

Within 24 hours: Inventory all deployments of bleon-ethical/api-gateway-deploy v1.0.0 and isolate affected systems from production networks if operationally feasible. Within 7 days: Implement network segmentation to restrict API gateway access, enable comprehensive logging and monitoring for suspicious command execution patterns, and escalate to the vendor for patch timeline. Within 30 days: Develop a migration plan to an alternative API gateway solution or upgrade to a patched version if released; conduct forensic analysis for signs of exploitation.

Docker CVE-2026-27208

CRITICAL

OS Command Injection (CWE-78)

2026-02-24 security-advisories@github.com

Privilege Escalation Docker Command Injection Api Gateway Deploy

9.2

CVSS 3.1 · GitHub Advisory

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft malicious input to entrypoint.sh
Exploit

Bypass input sanitization via OS command injection
Execution

Execute arbitrary commands as root user
Impact

Escape container and compromise infrastructure

Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	Attacker requires local access to the vulnerable api-gateway-deploy version 1.0.0 container. Vulnerable entrypoint.sh processes unsanitized user input without strict delimiters or validation, and container runs with root privileges instead of non-root appuser.
Impact	CVSS 9.2, EPSS 0.18%. Supply chain risk — developers using this package in CI/CD pipelines expose their build environments.
Exploit ScenarioDerived	Attacker provides malicious configuration to the API gateway deployment package, which executes injected commands during deployment.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

OS command injection in bleon-ethical/api-gateway-deploy npm package version 1.0.0. Attack chain enables remote code execution through crafted API gateway deployment configuration.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 9.2

Command injection in api-gateway-deploy npm package.

RemediationAI

Remove or update the package. Audit deployments made using this package.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-78 OS command injection through deployment configuration. The npm package passes user-controlled values to shell commands.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 9.2 CRITICAL

AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

High

DescriptionGitHub Advisory

bleon-ethical/api-gateway-deploy provides API gateway deployment. Version 1.0.0 is vulnerable to an attack chain involving OS Command Injection and Privilege Escalation. This allows an attacker to execute arbitrary commands with root privileges within the container, potentially leading to a container escape and unauthorized infrastructure modifications. This is fixed in version 1.0.1 by implementing strict input sanitization and secure delimiters in entrypoint.sh, enforcing a non-root user (appuser) in the Dockerfile, and establishing mandatory security quality gates.

Executive ViewAI

Why It Matters

CVE-2026-27208 is a critical vulnerability in API Gateway Deploy v1.0.0 that allows attackers to execute arbitrary operating system commands and escalate privileges, potentially compromising all systems relying on this deployment platform. Without an available patch, organizations using this software face immediate risk of unauthorized access, data breach, and infrastructure compromise.

Business Impact: Severe

Compensating Controls

Implement Web Application Firewall (WAF) rules to detect and block command injection payloads; restrict API gateway administrative access via network segmentation and IP whitelisting; disable unnecessary features or plugins in the API gateway; enforce strict input validation and sanitization at application layer; implement runtime application self-protection (RASP) to detect command execution attempts; establish 24/7 monitoring for suspicious process spawning and privilege escalation events; consider air-gapping affected systems pending patch availability.

Threat Intelligence Overview

EPSS Score

0.2%

Top 61% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +46

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.