A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication.
First seen on bleepingcomputer.com
Jump to article: www.bleepingcomputer.com/news/security/hackers-exploit-critical-atlassian-flaw-after-public-poc-release/
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