Grafana Labs 3.0.0 < 11.6.9+security-01 / 12.0.0 < 12.0.8+security-01 / 12.1.0 < 12.1.5+security-01 / 12.2.0 < 12.2.3+security-01 / 12.3.0 < 12.3.1+security-01 DoS (CVE-2026-21720)

The version of Grafana Labs installed on the remote host is affected by a denial of service vulnerability as referenced in the CVE-2026-21720 advisory. - Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue long...

CVE-2026-21720

A flaw was found in Grafana. A remote attacker can exploit this vulnerability by sending a sustained volume of uncached /avatar/:hash requests. This action causes the system to create and block goroutines, which are lightweight concurrent functions, leading to a continuous increase in memory usag...

SUSE CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

UBUNTU-CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

Missing Release of Resource after Effective Lifetime

Overview github.com/grafana/grafana/pkg/api is an open and composable observability and data visualization platform. Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the /avatar/:hash endpoint. An attacker can exhaust system memory and...

Missing Release of Resource after Effective Lifetime

Overview github.com/grafana/grafana/pkg/api/avatar is a tool for beautiful monitoring and metric analytics & dashboards for Graphite, InfluxDB & Prometheus & More. Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the /avatar/:hash...

EUVD-2026-4841

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

PT-2026-4877

Name of the Vulnerable Software and Affected Versions Grafana affected versions not specified Description The software can crash due to a memory exhaustion issue triggered by uncached requests to the /avatar/:hash endpoint. Each request spawns a goroutine to refresh the Gravatar image. If this...

Unauthenticated DoS in avatar cache in Grafana

Grafana is an open-source platform for monitoring and observability. The platform supports users having their own avatars, which can be sourced from the Gravatar service API. This uses a cache, to ensure that we don't overload the service. If these requests time out after 3 seconds, a Goroutine i...

CVE-2024-41259

Use of insecure hashing algorithm in the Gravatar's service in Navidrome v0.52.3 allows attackers to manipulate a user's account information...

EUVD-2016-7990

Malware in sbrugna...

EUVD-2025-7832

Malicious code in bioql PyPI...

CVE-2025-28862

Cross-Site Request Forgery CSRF vulnerability in Venugopal Comment Date and Gravatar remover remove-date-and-gravatar-under-comment allows Cross Site Request Forgery.This issue affects Comment Date and Gravatar remover: from n/a through = 1.0...

WordPress Comment Date and Gravatar remover plugin <= 1.0 - Cross Site Request Forgery (CSRF) vulnerability

Cross Site Request Forgery CSRF vulnerability discovered by Nguyen Xuan Chien in WordPress Plugin Comment Date and Gravatar remover versions = 1.0...

CVE-2025-28862

Cross-Site Request Forgery CSRF vulnerability in Venugopal Comment Date and Gravatar remover allows Cross Site Request Forgery. This issue affects Comment Date and Gravatar remover: from n/a through 1.0...

CVE-2025-28862 WordPress Comment Date and Gravatar remover plugin <= 1.0 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery CSRF vulnerability in Venugopal Comment Date and Gravatar remover remove-date-and-gravatar-under-comment allows Cross Site Request Forgery.This issue affects Comment Date and Gravatar remover: from n/a through = 1.0...

CVE-2025-28862 WordPress Comment Date and Gravatar remover plugin <= 1.0 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery CSRF vulnerability in Venugopal Comment Date and Gravatar remover remove-date-and-gravatar-under-comment allows Cross Site Request Forgery.This issue affects Comment Date and Gravatar remover: from n/a through = 1.0...

CVE-2025-28862

CVE-2025-28862 is a CSRF vulnerability in the WordPress plugin “Comment Date and Gravatar remover” affecting versions from n/a through 1.0. The description specifies a cross-site request forgery issue in this plugin; connected sources corroborate the affected software and context. The documents d...