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CVE-2026-21589: Critical unauthenticated arbitrary file access in Atlassian products

Rapid7 Version 1 original

Imported from official source

On 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. …

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1 of 2
Recorded
October 07, 2026 13:00
Change
Initial
Content hash
7f3be87811a8ec47c54d4a0bf7d9ed04
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