Denial-of-service (DoS)

github.com/argoproj/argo-cd is vulnerable to a denial-of-service DoS. The vulnerability is due to Argo CD’s /api/webhook endpoint accessing an array index without validating its length, which allows an attacker to crash the argocd-server process using a single unauthenticated HTTP POST with an...

GHSA-GPX4-37G2-C8PV Argo CD Unauthenticated Remote DoS via malformed Azure DevOps git.push webhook

Summary In the default configuration, webhook.azuredevops.username and webhook.azuredevops.password not set, Argo CD’s /api/webhook endpoint crashes the entire argocd-server process when it receives an Azure DevOps Push event whose JSON array resource.refUpdates is empty. The slice index 0 is...

Improper Check or Handling of Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check or Handling of Exceptional Conditions in the /api/webhook endpoint. An attacker can cause the server process to crash by sending an Azure DevOps Push event with an empty resource.refUpdates array. Note: This is only...

Argo CD Unauthenticated Remote DoS via malformed Azure DevOps git.push webhook

Summary In the default configuration, webhook.azuredevops.username and webhook.azuredevops.password not set, Argo CD’s /api/webhook endpoint crashes the entire argocd-server process when it receives an Azure DevOps Push event whose JSON array resource.refUpdates is empty. The slice index 0 is...

PT-2025-40057

Name of the Vulnerable Software and Affected Versions Argo CD versions 2.9.0-rc1 through 2.14.19 Argo CD versions 3.0.0-rc1 through 3.2.0-rc1 Argo CD version 3.1.6 Argo CD version 3.0.17 Description Argo CD, a declarative GitOps continuous delivery tool for Kubernetes, is susceptible to a...