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

Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary ...

Atlassian’s critical flaw turns eight enterprise products into one big security problem

The 9.3-rated vulnerability lets unauthenticated attackers access specific files outside their intended boundaries. Atlassian ...
Help Net Security

Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589)

A few hours after researchers published a technical rundown of CVE-2026-21589, exploitation attempts were registered by ...
The Hacker News

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

Attackers are exploiting an Atlassian Data Center flaw that enables unauthenticated access to specific webroot files.

Hackers exploit critical Atlassian flaw after public PoC release

A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and ...
Techzine Europe

Critical Atlassian vulnerability allows attackers to read files

Eight self-hosted Atlassian Data Center products are affected by the same vulnerability. CVE-2026-21589 allows attackers to read files without logging in ...