Atlassian's October 2026 security bulletin fixes 176 third-party vulnerabilities, 14 critical, in Jira, Confluence, Crowd and Bitbucket.

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The post Atlassian Patches 176 Flaws in Jira, Confluence and Other Data Center Products appeared first on Daily CyberSecurity.

Our weekly CVE report for Oct 5-11, 2026 tracks 3,255 new flaws and six exploited vulnerabilities not yet listed in the CISA KEV catalog.

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The post Six Exploited Flaws Missing From CISA KEV Lead This Weekly CVE Report appeared first on Daily CyberSecurity.

CVE-2026-21589 exploitation is underway against Atlassian servers after researchers published arbitrary file read PoC and technical details.

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The post CVE-2026-21589 Exploited in the Wild as Atlassian File Read Flaw Details and PoC Go Public appeared first on Daily CyberSecurity.

Atlassian Data Center vulnerability CVE-2026-21589 (CVSS 9.3) allows arbitrary file access in Jira, Confluence and Bitbucket. Patch now.

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The post Critical Atlassian Flaw CVE-2026-21589 Exposes Files in Jira, Confluence, Bitbucket and Five More Products appeared first on Daily CyberSecurity.