vulnerability Atlassian, Splunk Patch Critical Vulnerabilities Splunk patched an OS command injection in AI Toolkit, while Atlassian fixed dozens of flaws in third-party dependencies. The post Atlassian, Splunk Patch Critical Vulnerabilities appeared first on SecurityWeek . SecurityWeek · Jun 18, 2026 CVE-2026-20266CVE-2026-20265CVE-2026-42043