CVE-2026-33142

OneUptime · OneUptime

OneUptime, an observability and management solution, is affected by a high-severity vulnerability that could compromise monitoring data and system availability.

Executive summary

A security vulnerability in OneUptime could allow attackers to disrupt service monitoring and gain unauthorized access to critical infrastructure management tools.

Vulnerability

OneUptime is affected by a flaw in its monitoring or management modules. The CVSS score of 8.1 suggests a high-impact vulnerability, such as unauthorized administrative access or the ability to execute arbitrary commands, which could be exploited to blind security teams or disrupt managed services.

Business impact

An attacker could exploit this vulnerability to hide malicious activity from monitoring tools, trigger false alerts, or take control of the management interface to shut down critical services. This poses a high risk to operational continuity and the overall security posture of the organization.

Remediation

Immediate Action: Update OneUptime to the latest version immediately and rotate any credentials used by the platform to monitor external services.

Proactive Monitoring: Monitor for unauthorized changes to monitoring configurations and review access logs for administrative accounts.

Compensating Controls: Restrict access to the OneUptime management interface to a secure VPN or trusted IP ranges.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Organizations should prioritize patching OneUptime to prevent attackers from compromising their primary monitoring and response platform. Ensuring the security of observability tools is vital for maintaining visibility into the rest of the IT environment.