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Package · Go

github.com/prometheus/prometheus

5 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 5.1
    CVE-2026-44903

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

    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-line flag --enable-feature=old-ui), the histogram heatmap chart view does not es…

    prometheus prometheus prometheus github.com/prometheus/prometheus Debian Ubuntu Go
  • High 7.5
    CVE-2026-42154 Public exploit

    Prometheus: remote read endpoint allows denial of service via crafted snappy payload

    Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the remote read endpoint (/api/v1/read) does not validate the declared decoded length in a snappy-compressed request body before allocating memory. An…

    prometheus prometheus prometheus prometheus Debian Ubuntu Alpine Go
  • High 7.5
    CVE-2026-42151

    Prometheus Azure AD remote write OAuth client secret exposed via config API

    Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the client_secret field in the Azure AD remote write OAuth configuration (storage/remote/azuread) was typed as string instead of Secret. Prometheus re…

    prometheus prometheus prometheus github.com/prometheus/prometheus Debian Ubuntu Alpine Go
  • Medium 5.3
    CVE-2026-40179 Public exploit

    Prometheus: Stored XSS via metric names and label values in web UI tooltips and metrics explorer

    Prometheus is an open-source monitoring system and time series database. Versions 3.0 through 3.5.1 and 3.6.0 through 3.11.1 have stored cross-site scripting vulnerabilities in multiple components of the Prometheus web UI where metric names and label values a…

    prometheus prometheus prometheus github.com/prometheus/prometheus Ubuntu Alpine Go
  • High 7.2
    GHSA-4v48-4q5m-8vx4

    Prometheus vulnerable to basic authentication bypass

    ### Impact Prometheus can be secured by a web.yml file that specifies usernames and hashed passwords for basic authentication. Passwords are hashed with bcrypt, which means that even if you have access to the hash, it is very hard to find the original passwor…

    github.com/prometheus/prometheus github.com/prometheus/prometheus/v2 Go