CLEANSTART-2026-GL72878 Security fixes in prometheus 3.13.1-r1

Package prometheus version 3.13.1-r1 fixes 2 vulnerabilities: CVE-2026-46600, CVE-2026-56852...

CLEANSTART-2026-ZO84411 Security fixes in prometheus-alertmanager 0.26.0-r0

Package prometheus-alertmanager version 0.26.0-r0 fixes 1 vulnerabilities: CVE-2023-40577...

CLEANSTART-2026-ZP59365 Security fixes in prometheus-alertmanager 0.32.0-r1

Package prometheus-alertmanager version 0.32.0-r1 fixes 19 vulnerabilities: CVE-2026-39835, CVE-2026-46598, CVE-2026-25681, CVE-2026-27136, CVE-2026-42502...

CVE-2026-67990

Technical details are not publicly available in the provided documents; monitor for updates.

CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

EUVD-2026-58031

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint

A flaw was found in Prometheus. An unauthenticated attacker can exploit the remote read endpoint /api/v1/read by sending a specially crafted, small snappy-compressed payload. This payload causes a disproportionately large memory allocation, leading to memory exhaustion and a Denial of Service DoS...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...

github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint

A flaw was found in Prometheus. An unauthenticated attacker can exploit the remote read endpoint /api/v1/read by sending a specially crafted, small snappy-compressed payload. This payload causes a disproportionately large memory allocation, leading to memory exhaustion and a Denial of Service DoS...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...

github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint

A flaw was found in Prometheus. An unauthenticated attacker can exploit the remote read endpoint /api/v1/read by sending a specially crafted, small snappy-compressed payload. This payload causes a disproportionately large memory allocation, leading to memory exhaustion and a Denial of Service DoS...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...

RHEL 9 : opentelemetry-collector (RHSA-2026:53412)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:53412 advisory. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fixes: github.com/prometheus/prometheus: Prometheus:...

CVE-2026-16100

A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-supplied input like nonexistent client IDs, an authenticated...

CVE-2026-16100 Keycloak-services: keycloak-services: unbounded metric cardinality in user event metrics via request-controlled error text

A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-supplied input like nonexistent client IDs, an authenticated...

CVE-2026-16100

CVE-2026-16100 describes a flaw in Keycloak where, when metrics are enabled, raw error messages from failed account operations are recorded as Prometheus metric labels. Because these messages may include user-supplied input (e.g., nonexistent client IDs), an authenticated user can generate an eno...

CVE-2026-16100 Keycloak-services: keycloak-services: unbounded metric cardinality in user event metrics via request-controlled error text

A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-supplied input like nonexistent client IDs, an authenticated...

CVE-2026-16100

A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-supplied input like nonexistent client IDs, an authenticated...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: prometheus3.13: prometheus3.13-3.13.2-0.2.hum1 aarch64, x8664 prometheus3.13-3.13.2-0.2.hum1.src src Security Fixes: prometheus3.13: CVE-2026-69153...