Zero-day vulnerability in Atlassian Confluence Server

Code Injection

Vulnerability details

Advisory: SB2022060301 - Remote code execution in Atlassian Confluence Server

Vulnerable component: Atlassian Confluence Server

CVE-ID: CVE-2022-26134

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation when processing OGNL expressions. A remote non-authenticated attacker can send a specially crafted request to the Confluence Server and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Public Exploits: