AUGUST 4, 2026
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Case File

CVE-2021-1626

CRITICAL · CVSS 9.8 EPSS 2.03% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-1626
Severity
CRITICAL
CVSS
9.8
EPSS
2.03%

Original NVD Description

MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.

Related CVEs

Other vulnerabilities affecting the same vendor(s)