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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
high advisory

Multiple Vulnerabilities in Atlassian Products

Multiple vulnerabilities exist in Atlassian products including Bamboo, Bitbucket, Confluence, Crucible, Fisheye, and Jira which could lead to arbitrary code execution, denial of service, information disclosure, cross-site scripting, and security bypass.

Bamboo +5 atlassian vulnerability code-execution dos xss security-bypass
2r 4t