⚡ Exploit-DB.ai CRITICAL
CRITICAL

CVE-2021-26084

Published: March 18, 2026 · Source: National Vulnerability Database (NVD)

⚡ AI Threat Assessment

Atlassian Confluence OGNL injection enabling unauthenticated RCE. Apply patches immediately. If exposed to the internet unpatched during Aug-Sep 2021, assume compromise and conduct forensic review of Confluence logs.

📋 Official Description

A remote code execution vulnerability was found in Atlassian Confluence Server and Data Center via OGNL injection in the Widget Connector macro.

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