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N A CVE-2026-30303

| EUVDEUVD-2026-16600 CRITICAL
OS Command Injection (CWE-78)
2026-03-27 mitre GHSA-vqqg-3vff-x22p
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 27, 2026 - 14:30 euvd
EUVD-2026-16600
Analysis Generated
Mar 27, 2026 - 14:30 vuln.today
CVE Published
Mar 27, 2026 - 00:00 nvd
CRITICAL 9.8

DescriptionCVE.org

The command auto-approval module in Axon Code contains an OS Command Injection vulnerability, rendering its whitelist security mechanism ineffective. The vulnerability stems from the incorrect use of an incompatible command parser (the Unix-based shell-quote library) to analyze commands on the Windows platform, coupled with a failure to correctly handle Windows CMD-specific escape sequences (^). Attackers can exploit this discrepancy between the parsing logic and the execution environment by constructing payloads such as git log ^" & malicious_command ^". The Axon Code parser is deceived by the escape characters, misinterpreting the malicious command connector (&) as being within a protected string argument and thus auto-approving the command. However, the underlying Windows CMD interpreter ignores the escaped quotes, parsing and executing the subsequent malicious command directly. This allows attackers to achieve arbitrary Remote Code Execution (RCE) after bypassing what appears to be a legitimate Git whitelist check.

AnalysisAI

A command injection vulnerability in command auto-approval module in Axon Code (CVSS 9.8). Critical severity with potential for significant impact on affected systems.

Technical ContextAI

CWE-78 (OS Command Injection). CVSS 9.8 indicates critical severity with likely remote exploitation vector. Affects command auto-approval module in Axon Code.

RemediationAI

Monitor vendor channels for patch availability. Implement input validation and WAF rules as interim mitigation.

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CVE-2026-30303 vulnerability details – vuln.today

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