# github.com/prometheus/prometheus (Go) vulnerabilities Source: https://junglewise.ai/threats/technologies/github-com-prometheus-prometheus Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/github-com-prometheus-prometheus.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in github.com/prometheus/prometheus (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44903, was published on 26 May 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 6 (0 critical, 0 exploited in the wild) ## About github.com/prometheus/prometheus (Go) Open-source monitoring and alerting toolkit for time-series metrics collection and visualization. ## Latest github.com/prometheus/prometheus (Go) vulnerabilities - [CVE-2026-44903: Prometheus stored XSS in legacy web UI heatmap chart](https://junglewise.ai/threats/cve-2026-44903-prometheus-stored-xss-in-legacy-web-ui-heatmap-chart) (medium, CVSS 6.1, published 26 May 2026) - [CVE-2026-42154: Prometheus denial of service via memory exhaustion in remote read endpoint](https://junglewise.ai/threats/cve-2026-42154-prometheus-denial-of-service-via-memory-exhaustion-in-remote-read) (high, CVSS 7.5, published 4 May 2026) - [CVE-2026-42151: Prometheus information disclosure in Azure AD OAuth configuration](https://junglewise.ai/threats/cve-2026-42151-prometheus-information-disclosure-in-azure-ad-oauth-configuration) (high, CVSS 7.5, published 4 May 2026) - [CVE-2026-40179: Prometheus has Stored XSS via metric names and label values in Prometheus web UI tooltips and metrics explorer](https://junglewise.ai/threats/cve-2026-40179-prometheus-has-stored-xss-via-metric-names-and-label-values-in) (medium, CVSS 6.1, published 13 Apr 2026) - [CVE-2019-3826: Withdrawn Advisory: Prometheus XSS Vulnerability](https://junglewise.ai/threats/cve-2019-3826-withdrawn-advisory-prometheus-xss-vulnerability) (low, CVSS 3.1, published 13 Dec 2023) - [CVE-2021-29622: Arbitrary redirects under /new endpoint](https://junglewise.ai/threats/cve-2021-29622-arbitrary-redirects-under-new-endpoint) (low, CVSS 3.1, published 15 Feb 2022) ## Most severe github.com/prometheus/prometheus (Go) vulnerabilities - [CVE-2026-42154: Prometheus denial of service via memory exhaustion in remote read endpoint](https://junglewise.ai/threats/cve-2026-42154-prometheus-denial-of-service-via-memory-exhaustion-in-remote-read) (high, CVSS 7.5, published 4 May 2026) - [CVE-2026-42151: Prometheus information disclosure in Azure AD OAuth configuration](https://junglewise.ai/threats/cve-2026-42151-prometheus-information-disclosure-in-azure-ad-oauth-configuration) (high, CVSS 7.5, published 4 May 2026) - [CVE-2026-40179: Prometheus has Stored XSS via metric names and label values in Prometheus web UI tooltips and metrics explorer](https://junglewise.ai/threats/cve-2026-40179-prometheus-has-stored-xss-via-metric-names-and-label-values-in) (medium, CVSS 6.1, published 13 Apr 2026) - [CVE-2026-44903: Prometheus stored XSS in legacy web UI heatmap chart](https://junglewise.ai/threats/cve-2026-44903-prometheus-stored-xss-in-legacy-web-ui-heatmap-chart) (medium, CVSS 6.1, published 26 May 2026) - [CVE-2021-29622: Arbitrary redirects under /new endpoint](https://junglewise.ai/threats/cve-2021-29622-arbitrary-redirects-under-new-endpoint) (low, CVSS 3.1, published 15 Feb 2022) - [CVE-2019-3826: Withdrawn Advisory: Prometheus XSS Vulnerability](https://junglewise.ai/threats/cve-2019-3826-withdrawn-advisory-prometheus-xss-vulnerability) (low, CVSS 3.1, published 13 Dec 2023) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Go technologies - [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities - [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities - [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities - [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities - [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities - [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities - [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities - [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities - [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities - [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities - [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities - [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/prometheus/prometheus (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-prometheus-prometheus, 13 November 2026.