> Hackers exploit critical Atlassian flaw after public PoC release
[AUTHOR: Bill Toulas]
[DATE: 07/10/2026 12:49]
[LANGUAGE: EN]
A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication. [...]