Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions 1.2.0 through 1.8.7, 2.0.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.7 and 3.0.18 are vulnerable to malicious API requests which can crash the API server and cause denial of service to legitimate clients. Without a configured webhook.bitbucketserver.secret, Argo CD's /api/webhook endpoint crashes when receiving a malformed Bitbucket Server payload (non-array repository.links.clone field). A single unauthenticated request triggers CrashLoopBackOff, and targeting all replicas causes complete API outage. This issue is fixed in versions 2.14.20, 3.2.0-rc2, 3.1.8 and 3.0.19.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/argoproj/argo-cd(Go) | 1.2.0 | N/A | N/A |
| github.com/argoproj/argo-cd/v2(Go) | 2.0.0-rc1 | 2.14.20 | N/A |
| github.com/argoproj/argo-cd/v3(Go) | 3.2.0-rc1 | 3.2.0-rc2 | N/A |
| github.com/argoproj/argo-cd/v3(Go) | 3.1.0-rc1 | 3.1.8 | N/A |
| github.com/argoproj/argo-cd/v3(Go) | 3.0.0-rc1 | 3.0.19 | N/A |
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