Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589)

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Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589) 2026-10-07 at 17:21 By Zeljka Zorz One day after Atlassian released patches fixing a critical arbitrary file access vulnerability (CVE-2026-21589) in its self-managed Data Center products, and a few hours after watchTowr researchers published a technical rundown of the flaw, attackers have been spotted attempting to […]

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