Vulnerability in Atlassian Bamboo Data Center
CVSS Skor
9.3
EPSS İhtimal
%12.7
Risk Skoru
2.4
Yayın
14 gün önce
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Scans for Atlassian vulnerablity (CVE-2026-21589), (Wed, Oct 7th)
On October 5th, Atlassian published patches&#;x26;#;xc2;&#;x26;#;xa0;for multiple products to fix an "Arbitrary File Access" vulnerability &#;x26;#;x5b;CVE-2026-21589&#;x26;#;x5d;. An attacker can read arbitrary files in the web application&#;x26;#;39;s directory, potentially exposing sensitive information such as configuration files.
CVE-2026-21589: Critical Atlassian Flaw Enables Unauthenticated File Access
Executive Summary Atlassian has disclosed CVE-2026-21589, a critical arbitrary file access vulnerability affecting multiple Atlassian Data Center products. The vulnerability carries a CVSS v4.0 score of 9.3 (Critical) and can…
CVE-2026-21589: Critical unauthenticated arbitrary file access in Atlassian products
OverviewOn October 5, 2026, Atlassian published a security advisory for CVE-2026-21589, a critical arbitrary file access vulnerability affecting eight 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. Atlassian assigned the vulnerability a CVSSv4 score of 9.3. An unauthenticated remote attacker who knows a target file's exact name and path can access it within the application's web root; the vulnerability does not provide directory listing or enumeration. On Octo
'Kritiek Atlassian-lek dat toegang tot bestanden geeft misbruikt bij aanvallen'
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Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details
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 certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software
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Atlassian has disclosed CVE-2026-21589, a critical arbitrary file access vulnerability affecting Confluence Data Center and seven other self-managed products. The advisory, published on October 5, 2026, warns that every version of the affected software is exposed and urges administrators to act right away, either by upgrading or by putting temporary safeguards in place. Beyond Confluence Data Center, the flaw reaches Bitbucket Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye. Atlassian is tracking the issue
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