CVE-2026-61399
An attacker can exploit multiple vulnerabilities in Apache CloudStack to execute arbitrary code with administrator privileges, disclose information, manipulate files, conduct a cross-site scripting attack, bypass security measures, and execute arbitrary code.
CSIRTS triage
- What
- Multiple vulnerabilities in Apache CloudStack enable arbitrary code execution with admin privileges, information disclosure, file manipulation, cross-site scripting, authentication bypass, and code execution.
- Who is affected
- Apache CloudStack deployments.
- Urgency
- High: severity rated high; administrative privilege code execution requires immediate remediation.
- Action
- Apply available Apache CloudStack security updates; review CloudStack advisories for affected versions and patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] Apache CloudStack: Multiple vulnerabilitiescert-bund · 2026-08-24
- mediumCVE-2026-61399: Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lo…nvd · 2026-08-21
External references
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