{"schema_version":"1.3.1","id":"GO-2026-5381","modified":"2026-06-25T18:43:19Z","published":"2026-06-25T18:43:19Z","aliases":["CVE-2026-44903","GHSA-fw8g-cg8f-9j28"],"summary":"Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus","details":"Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus","affected":[{"package":{"name":"github.com/prometheus/prometheus","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.311.3"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/prometheus/prometheus/security/advisories/GHSA-fw8g-cg8f-9j28"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44903"},{"type":"FIX","url":"https://github.com/prometheus/prometheus/commit/38f23b9075ced1de2b82d2dad8b2bebb1ecd5b7d"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5381","review_status":"UNREVIEWED"}}