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high advisory

Atlassian Security Updates — July 2026

Roundup of Atlassian security advisories published in July 2026.

PoC mcp-atlassian < 0.22.0 +15 roundup
updated
critical advisory

Multiple Vulnerabilities in Atlassian Products

Multiple vulnerabilities in Atlassian Bamboo, Bitbucket, Confluence, Jira, and Jira Service Management allow attackers to execute arbitrary code, bypass security measures, manipulate data, disclose information, or perform cross-site scripting attacks.

Bamboo +4 atlassian vulnerability code-execution xss
2r 4t 26c