CVE-2026-21589

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CVE-2026-21589 Atlassian Multiple Products: Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability

1. Executive summary CVE-2026-21589 is a critical unauthenticated arbitrary file access flaw in eight self-hosted Atlassian Data Center products (Bitbucket, Confluence, Jira Service

15 Oct 2026 · 9 min read read →

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Threat Intelligence Report

1. Executive summary This week's Check Point bulletin carries four patched vulnerabilities relevant to EMEA financial services, of which one is confirmed exploited in

12 Oct 2026 · 10 min read read →

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

1. Executive summary Atlassian disclosed CVE-2026-21589 on 5 October 2026, a path traversal flaw rated CVSS 9.3 (critical) that lets an unauthenticated attacker

06 Oct 2026 · 8 min read read →