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CVE-2026-40179 Prometheus: Stored XSS via metric names and label values in web UI tooltips and metrics explorer

🗓️ 15 Apr 2026 22:26:46Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Stored XSS in Prometheus web UI via metric names and label values; fixed in 3.5.2 and 3.11.2.

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15 Jul 2026 01:49Current
6Medium risk
Vulners AI Score6
CVSS 45.3
EPSS0.0024
2