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CVE-2025-59531
Good to know:
Date: October 1, 2025
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.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Improper Check or Handling of Exceptional Conditions
CWE-703Top Fix
Upgrade Version
Upgrade to version github.com/argoproj/argo-cd/v2 - v2.14.20;github.com/argoproj/argo-cd/v3 - v3.2.0-rc2;github.com/argoproj/argo-cd/v3 - v3.1.8;github.com/argoproj/argo-cd/v3 - v3.0.19;https://github.com/argoproj/argo-cd.git - v3.2.0-rc2;https://github.com/argoproj/argo-cd.git - v3.0.19;https://github.com/argoproj/argo-cd.git - v3.1.8
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |