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CVE-2026-44903 Prometheus: Stored XSS via crafted histogram bucket label values in the heatmap display of the old Prometheus web UI

🗓️ 26 May 2026 21:27:18Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

CVE-2026-44903: Stored XSS in Prometheus old UI heatmap labels via crafted metrics.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-44903
26 May 202621:27
attackerkb
cgr
Chainguard
CVE-2026-44903 vulnerabilities
14 May 202619:17
cgr
circl
Circl
CVE-2026-44903
27 May 202601:11
circl
cnnvd
CNNVD
Prometheus 跨站脚本漏洞
26 May 202600:00
cnnvd
cve
CVE
CVE-2026-44903
26 May 202621:27
cve
debiancve
Debian CVE
CVE-2026-44903
26 May 202621:27
debiancve
euvd
EUVD
EUVD-2026-32008
26 May 202621:27
euvd
github
Github Security Blog
Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display
5 May 202621:53
github
nvd
NVD
CVE-2026-44903
26 May 202622:16
nvd
osv
OSV
BIT-PROMETHEUS-2026-44903 Prometheus: Stored XSS via crafted histogram bucket label values in the heatmap display of the old Prometheus web UI
28 May 202611:26
osv
Rows per page
[
  {
    "vendor": "prometheus",
    "product": "prometheus",
    "versions": [
      {
        "version": ">= 2.49.0, < 3.5.3",
        "status": "affected"
      },
      {
        "version": ">= 3.6.0-rc.0, < 3.11.3",
        "status": "affected"
      }
    ]
  }
]

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