CVE-2026-91969 vikunja before 2.6.0 Resource Exhaustion via CSV Migration

vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the POST /api/v2/migration/csv/migrate endpoint that fails to limit parsed row cardinality. Authenticated attackers can upload multipart CSV files with millions of tiny records to exhaust process memory and terminate the...

Astra Linux – Vulnerability in golang-github-prometheus-client-golang

clientgolang is the instrumentation library for Go applications in Prometheus. The promhttp package within clientgolang provides tools for working with HTTP servers and clients. Prior to version 1.11.1 of clientgolang, HTTP servers were vulnerable to Denial of Service attacks due to unbounded...

BIT-KEYCLOAK-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 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 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...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through account and client error reporting in the user-event metrics component. An authenticated user can trigger the flaw by sending requests that produce failed account operations...

Allocation of Resources Without Limits or Throttling

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through account and client error reporting in the...

Allocation of Resources Without Limits or Throttling

Overview org.keycloak:keycloak-server-spi-private is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through account and client error reporting in...

PT-2026-68177

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the user-event metrics recording process. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Since...

PT-2026-62050

Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb contains locked. The attach-time validator rb validate header checks the header scalars and region layout against the file size, but does not validate th...

GO-2026-5851 Sigstore Timestamp Authority has OOM due to unbounded metric label cardinality in github.com/sigstore/timestamp-authority

Sigstore Timestamp Authority has OOM due to unbounded metric label cardinality in github.com/sigstore/timestamp-authority...

opentelemetry-instrumentation Denial of Service vulnerability due to unbound cardinality metrics

SummaryAutoinstrumentation out of the box adds the label httpmethod that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. DetailsHTTP method for requests can be easily set by an attacker to be random and long. PoCSend many reques...

CVE-2026-41078

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under...

EUVD-2026-28222

OpenTelemetry.Exporter.Zipkin is the .NET Zipkin exporter for OpenTelemetry. In versions 1.15.2 and earlier, the Zipkin exporter remote endpoint cache accepts unbounded key growth derived from span attributes. In high-cardinality scenarios, a process using Zipkin export for client or producer spa...

CVE-2026-41310

OpenTelemetry.Exporter.Zipkin is the .NET Zipkin exporter for OpenTelemetry. In versions 1.15.2 and earlier, the Zipkin exporter remote endpoint cache accepts unbounded key growth derived from span attributes. In high-cardinality scenarios, a process using Zipkin export for client or producer spa...

CVE-2026-41310: Allocation of Resources Without Limits or Throttling

OpenTelemetry.Exporter.Zipkin is the .NET Zipkin exporter for OpenTelemetry. In versions 1.15.2 and earlier, the Zipkin exporter remote endpoint cache accepts unbounded key growth derived from span attributes. In high-cardinality scenarios, a process using Zipkin export for client or producer spa...

GHSA-88HF-WF7H-7W4M OpenTelemetry's Zipkin remote endpoint cache could grow without bounds and increase memory pressure

Summary The Zipkin exporter remote endpoint cache accepted unbounded key growth derived from span attributes. In high-cardinality scenarios, this could increase process memory usage over time and degrade availability. Details - Introduce a bounded, thread-safe LRU cache for remote endpoints. -...

PT-2026-35933

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Exporter.Zipkin versions prior to 1.15.3 Description The remote endpoint cache in the Zipkin exporter accepts unbounded key growth derived from span attributes. In high-cardinality scenarios—situations where there is a large numb...

CVE-2026-41078

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under...

CVE-2026-41078 OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under...