CVE-2026-42154
An attacker can exploit multiple vulnerabilities in Prometheus to conduct a denial of service attack, disclose confidential information, or perform cross-site scripting attacks.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to conduct a denial of service attack, disclose confidential information, or perform cross-site scripting attacks.
- Who is affected
- Deployments of Prometheus are affected.
- Urgency
- Remediation is medium urgency due to the variety of potential impacts including denial of service and information disclosure.
- Action
- Update to the latest version of Prometheus.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Prometheus: Multiple vulnerabilitiescert-bund · 2026-07-10
External references
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[](https://www.csirts.com/cve/CVE-2026-42154)