#atlassian

Hackers exploit critical Atlassian flaw after public PoC release

Oct 7, 2026 // 15:56

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. Earlier […]

Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details

Oct 7, 2026 // 14:54

Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under […]

Atlassian warns of critical file-access flaw in Jira, Confluence

Oct 7, 2026 // 12:37

Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including […]

Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products

Oct 6, 2026 // 12:47

A critical flaw in 8 Atlassian Data Center products, which customers host themselves, allows an attacker with no login access to read specific files in […]