SEPTEMBER 17, 2026
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Case File

CVE-2026-90813

MEDIUM · CVSS 4.3 EPSS 0.31% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vulnerability affects the Shell Command Execution component in cosmicstack-labs mercury-agent versions up to 1.1.13, allowing for improper validation order in the checkShellCommand function. This flaw could enable remote attackers to execute arbitrary shell commands, potentially compromising system integrity. Organizations using this software should prioritize patching or mitigating this vulnerability, especially those with exposed systems.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90813
Severity
MEDIUM
CVSS
4.3
EPSS
0.31%

Original NVD Description

A vulnerability was detected in cosmicstack-labs mercury-agent up to 1.1.13. Affected is the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Execution. The manipulation results in incorrect behavior order: validate before canonicalize. The attack may be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.