CVE-2019-3826

Withdrawn Advisory: Prometheus XSS Vulnerability

6.1 MediumFix available

A stored, DOM based, cross-site scripting (XSS) flaw was found in Prometheus before version 2.7.1. An attacker could exploit this by convincing an authenticated user to visit a crafted URL on a Prometheus server, allowing for the execution and persistent storage of arbitrary scripts.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

2.50%Down 0.7 points since Apr 14, 2021

What each source reports

CVE List Score used 6.1

Record: CVE-2019-3826
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-3082 6.1

Record: EUVD-2023-3082
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3m87-5598-2v4f 5.4

Withdrawn Advisory: Prometheus XSS Vulnerability

Withdrawn Advisory

This advisory has been withdrawn because the vulnerability does not apply to the Prometheus golang package. This link is maintained to preserve external references.

Original Description

Record: GHSA-3m87-5598-2v4f
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.1

Record: CVE-2019-3826
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2019-3826
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-3826 6.1

Record: DEBIAN-CVE-2019-3826
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-3m87-5598-2v4f 5.4

Withdrawn Advisory: Prometheus XSS Vulnerability

Withdrawn Advisory

This advisory has been withdrawn because the vulnerability does not apply to the Prometheus golang package. This link is maintained to preserve external references.

Original Description

Record: GHSA-3m87-5598-2v4f
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVRHBA-2019:0326 8.8

Red Hat Bug Fix Advisory: OpenShift Container Platform 3.11 bug fix update

Record: RHBA-2019:0326
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-3826 6.1

Record: UBUNTU-CVE-2019-3826
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`prometheus` Debian:12	before 2.7.1+ds-1	2.7.1+ds-1
`prometheus` Debian:13	before 2.7.1+ds-1	2.7.1+ds-1
`prometheus` Debian:14	before 2.7.1+ds-1	2.7.1+ds-1
`atomic-enterprise-service-catalog` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 1:3.11.82-1.git.1673.133961e.el7	1:3.11.82-1.git.1673.133961e.el7
`atomic-enterprise-service-catalog-svcat` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 1:3.11.82-1.git.1673.133961e.el7	1:3.11.82-1.git.1673.133961e.el7
`atomic-openshift` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-clients` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-clients-redistributable` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-cluster-autoscaler` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.efb6af0.el7	0:3.11.82-1.git.0.efb6af0.el7
`atomic-openshift-descheduler` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.300.89765c9.el7	0:3.11.82-1.git.300.89765c9.el7

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Affected packages
Package	Affected	Fixed
`atomic-openshift-docker-excluder` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-dockerregistry` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.452.0ce6383.el7	0:3.11.82-1.git.452.0ce6383.el7
`atomic-openshift-excluder` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-hyperkube` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-hypershift` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-master` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-metrics-server` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.52.2fdca3f.el7	0:3.11.82-1.git.52.2fdca3f.el7
`atomic-openshift-node` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-node-problem-detector` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.254.a448936.el7	0:3.11.82-1.git.254.a448936.el7
`atomic-openshift-pod` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-sdn-ovs` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-service-idler` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.14.e353758.el7	0:3.11.82-1.git.14.e353758.el7
`atomic-openshift-template-service-broker` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-tests` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.08bc31b.el7	0:3.11.82-1.git.0.08bc31b.el7
`atomic-openshift-web-console` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.355.5e8b1d9.el7	0:3.11.82-1.git.355.5e8b1d9.el7
`golang-github-openshift-oauth-proxy` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.425.7cac034.el7	0:3.11.82-1.git.425.7cac034.el7
`golang-github-prometheus-alertmanager` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.3bf41ce.el7	0:3.11.82-1.git.0.3bf41ce.el7
`golang-github-prometheus-node_exporter` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.1063.48444e8.el7	0:3.11.82-1.git.1063.48444e8.el7
`golang-github-prometheus-prometheus` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.5027.9d24833.el7	0:3.11.82-1.git.5027.9d24833.el7
`haproxy` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:1.8.17-3.el7	0:1.8.17-3.el7
`haproxy-debuginfo` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:1.8.17-3.el7	0:1.8.17-3.el7
`haproxy18` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:1.8.17-3.el7	0:1.8.17-3.el7
`jenkins` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:2.150.2.1549032159-1.el7	0:2.150.2.1549032159-1.el7
`jenkins-2-plugins` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.1549642489-1.el7	0:3.11.1549642489-1.el7
`openshift-ansible` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-3.git.0.9718d0a.el7	0:3.11.82-3.git.0.9718d0a.el7
`openshift-ansible-docs` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-3.git.0.9718d0a.el7	0:3.11.82-3.git.0.9718d0a.el7
`openshift-ansible-playbooks` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-3.git.0.9718d0a.el7	0:3.11.82-3.git.0.9718d0a.el7
`openshift-ansible-roles` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-3.git.0.9718d0a.el7	0:3.11.82-3.git.0.9718d0a.el7
`openshift-ansible-test` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-3.git.0.9718d0a.el7	0:3.11.82-3.git.0.9718d0a.el7
`openshift-enterprise-autoheal` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.219.0b5aff4.el7	0:3.11.82-1.git.219.0b5aff4.el7
`openshift-enterprise-cluster-capacity` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.380.cf11c51.el7	0:3.11.82-1.git.380.cf11c51.el7
`prometheus` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.5027.9d24833.el7	0:3.11.82-1.git.5027.9d24833.el7
`prometheus-alertmanager` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.0.3bf41ce.el7	0:3.11.82-1.git.0.3bf41ce.el7
`prometheus-node-exporter` Red Hat:openshift:3.11::el7 From an advisory covering 16 CVEs	before 0:3.11.82-1.git.1063.48444e8.el7	0:3.11.82-1.git.1063.48444e8.el7
`prometheus` Ubuntu:18.04:LTS	All versions, plus listed versions 1.7.1+ds-11.8.1+ds-22.1.0+ds-1	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-3826 is a medium vulnerability (CVSS 6.1) in [unknown] Prometheus, published March 26, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.50%, the 84th percentile. Fixed in prometheus 2.7.1+ds-1.

References

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