CVE-2026-45149
An attacker can exploit multiple vulnerabilities in Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira, and Jira Service Management to execute arbitrary code, gain elevated privileges, bypass security measures, manipulate data, disclose confidential information, or trigger a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow attackers to execute arbitrary code, gain elevated privileges, bypass security measures, manipulate data, disclose confidential information, or trigger a denial-of-service condition.
- Who is affected
- Deployments of Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira, and Jira Service Management are affected.
- Urgency
- Remediation is urgent due to the high severity and active exploitation of these vulnerabilities.
- Action
- Update to the latest versions of the affected Atlassian products.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
Advisory coverage (1)
External references
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[](https://www.csirts.com/cve/CVE-2026-45149)