GO-2026-5381

vendorUSosv

Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus

view advisory published 2026-06-25Licence: per source

Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-44903USmedium6.1—
Prometheus is an open-source monitoring system and time series database. From 2.49.0 to before 3.5.3 and 3.11.3, in the Prometheus server's legacy web UI (enabled via the command-l…
02

references

External citations — patches, advisories, analysis.

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