Updated daily · official sources

Security Radar

Vulnerabilities (CVE) being actively exploited, according to the CISA KEV catalog, with CVSS severity and exploitation probability (EPSS).

38exploited in the last 30 days

15critical (CVSS ≥ 9)

0used in ransomware

1779in the KEV catalog

CVE-2026-21589 Critical · CVSS 9.3 added on 10/15/2026

Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability

Atlassian · Multiple Products · CWE-552

Multiple Atlassian products (Bitbucket Data Center ,Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye) contain a files or directories accessible to external parties vulnerability which could allow an unauthenticated attacker to access specific files within the web application root directory in affected versions.

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Sources: CISA Known Exploited Vulnerabilities Catalog, NIST National Vulnerability Database and FIRST EPSS. Informational content; always follow the vendor advisory and fix.

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