LeakyCreds
NewInstant webhook alerts now available — notified within seconds of any credential detection.Learn more →
Home / Vulnerability Intelligence / CVE-2021-47936

CVE-2021-47936 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: May 10, 2026

OpenCATS - Remote Code Execution

Published: May 10, 2026Updated: May 10, 2026Remote Exploitable

Overview

OpenCATS 0.9.4 contains a remote code execution vulnerability caused by unrestricted file upload of malicious PHP files via the careers job application endpoint, letting unauthenticated attackers execute arbitrary system commands remotely.

Severity & Score

Severity: Critical
CVSS Score: 9.8

Impact

Unauthenticated attackers can execute arbitrary system commands, potentially leading to full server compromise.

Mitigation

Update to the latest version of OpenCATS.

Details

CVE ID
CVE-2021-47936
Severity
Critical
CVSS Score
9.8
Type
unrestricted_file_upload
Status
new

CWE

  • CWE-306

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H