The point: Atlassian Bamboo, Bitbucket, Confluence, Crucible, Fisheye and Jira are affected by multiple vulnerabilities enabling code execution and security bypasses.
Multiple vulnerabilities have been identified in six Atlassian products (Bamboo, Bitbucket, Confluence, Crucible, Fisheye, Jira). These enable attackers to execute code, conduct denial-of-service attacks and bypass security measures.
The German Federal Office for Information Security (BSI) is warning of multiple security vulnerabilities in Atlassian software products. Affected are Bamboo, Bitbucket, Confluence, Crucible, Fisheye and Jira — tools widely deployed in enterprises for version control, CI/CD pipelines, project management and collaboration.
According to the advisory, attackers can exploit these vulnerabilities to execute arbitrary code. In addition, denial-of-service attacks are possible, as are unauthorized information disclosure. Other known attack scenarios include cross-site scripting attacks (XSS) and circumvention of security controls.
For CISOs, this represents a high risk: Atlassian products are often publicly accessible or centrally networked within internal networks. Successful exploitation can lead to complete compromise of build pipelines, source code repositories and project data. Patches should be applied in the short term, accompanied by measures to detect suspicious activity in these systems.
Source: wid.cert-bund.de · Published 15 July 2026
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