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CVE-2026-44903

Опубликовано: 26 мая 2026
Источник: debian

Описание

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 escape le label values when inserting them into the HTML for use as axis tick mark labels. An attacker who can inject crafted metrics can execute JavaScript in the browser of any Prometheus user who views the metric in the heatmap chart UI. This vulnerability is fixed in 3.5.3 and 3.11.3.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
prometheusfixed3.5.3+ds1-1package
prometheusnot-affectedbookwormpackage
prometheusnot-affectedbullseyepackage

Примечания

  • https://github.com/prometheus/prometheus/security/advisories/GHSA-fw8g-cg8f-9j28

  • Fixed by: https://github.com/prometheus/prometheus/commit/38f23b9075ced1de2b82d2dad8b2bebb1ecd5b7d

  • Fixed by: https://github.com/prometheus/prometheus/commit/bf6fb7362e761b19da2b40a1ff546f370b531361 (v3.5.3)

  • Introduced by: https://github.com/prometheus/prometheus/commit/2e205ee95c121d8d6da0d8984f0b3bc599acaa2a (v2.49.0-rc.0)

Связанные уязвимости

CVSS3: 6.1
ubuntu
3 месяца назад

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 escape le label values when inserting them into the HTML for use as axis tick mark labels. An attacker who can inject crafted metrics can execute JavaScript in the browser of any Prometheus user who views the metric in the heatmap chart UI. This vulnerability is fixed in 3.5.3 and 3.11.3.

CVSS3: 6.1
nvd
3 месяца назад

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 escape le label values when inserting them into the HTML for use as axis tick mark labels. An attacker who can inject crafted metrics can execute JavaScript in the browser of any Prometheus user who views the metric in the heatmap chart UI. This vulnerability is fixed in 3.5.3 and 3.11.3.

CVSS3: 6.1
github
3 месяца назад

Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display