BIT-PROMETHEUS-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 escape le label values when inserting them...

Linux Distros Unpatched Vulnerability : CVE-2026-44903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 enable...

DEBIAN-CVE-2026-44903

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...

CVE-2026-44903

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...

CVE-2026-44903

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...

UBUNTU-CVE-2026-44903

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...

CVE-2026-44903

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...

CVE-2026-44903

CVE-2026-44903 affects Prometheus servers with the legacy web UI enabled. From 2.49.0 up to before 3.5.3 and 3.11.3, histogram heatmap axis tick labels aren’t escaped when inserting metric label values into HTML, allowing an attacker who can inject crafted metrics to run JavaScript in the browser...

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 escape le label values when inserting them...

CVE-2026-44903

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...

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 escape le label values when inserting them...

EUVD-2026-32008

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...

Prometheus 跨站脚本漏洞

Prometheus is an open-source software developed in the Go language, used to create real-time metric databases built using the HTTP pull model. Versions of Prometheus from 2.49.0 to 3.5.3, as well as versions before 3.11.3, had a cross-site scripting vulnerability. This vulnerability stemmed from...

MAL-2026-3856 Malicious code in @antv/calendar-heatmap (npm)

Part of the Mini Shai-Hulud supply chain attack campaign in which a threat actor compromised the npm account atool and published 631 malicious versions across 314 npm packages in an automated 22-minute burst. Each malicious version injects a preinstall hook that executes a 498KB obfuscated Bun...

Malicious code in @antv/calendar-heatmap (npm)

Part of the Mini Shai-Hulud supply chain attack campaign in which a threat actor compromised the npm account atool and published 631 malicious versions across 314 npm packages in an automated 22-minute burst. Each malicious version injects a preinstall hook that executes a 498KB obfuscated Bun...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code that conceals a credential-stealing payload and worm propagation logic. A malicious actor associated with the "TeamPCP" or "Mini Shai-Hulud" campaign compromised a maintainer's access token; this allowed the...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code that conceals a credential-stealing payload and worm propagation logic. A malicious actor associated with the "TeamPCP" or "Mini Shai-Hulud" campaign compromised a maintainer's access token; this allowed the...

GHSA-FW8G-CG8F-9J28 Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display

Impact 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 e.g. via a...

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

Impact 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 e.g. via a...

PT-2026-40721

Name of the Vulnerable Software and Affected Versions Prometheus versions 2.49.0 through 3.5.2 Prometheus versions 3.11.0 through 3.11.2 Description In the legacy web UI, which is enabled via the --enable-feature=old-ui command-line flag, the histogram heatmap chart view fails to escape label...