argoproj argo-cd up to 2.11.12/2.12.9/2.13.3 on Kubernetes information exposure

Summaryinfo

A vulnerability, which was classified as problematic, was found in argoproj argo-cd up to 2.11.12/2.12.9/2.13.3 on Kubernetes. Affected is an unknown function. Such manipulation leads to information exposure. This vulnerability is listed as CVE-2025-23216. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in argoproj argo-cd up to 2.11.12/2.12.9/2.13.3 on Kubernetes. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a information exposure vulnerability. Using CWE to declare the problem leads to CWE-209. The product generates an error message that includes sensitive information about its environment, users, or associated data. Impacted is confidentiality, and integrity. CVE summarizes:

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. A vulnerability was discovered in Argo CD that exposed secret values in error messages and the diff view when an invalid Kubernetes Secret resource was synced from a repository. The vulnerability assumes the user has write access to the repository and can exploit it, either intentionally or unintentionally, by committing an invalid Secret to repository and triggering a Sync. Once exploited, any user with read access to Argo CD can view the exposed secret data. The vulnerability is fixed in v2.13.4, v2.12.10, and v2.11.13.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-23216 since 01/13/2025. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 216199 (SUSE SLES15 / openSUSE 15 Security Update : govulncheck-vulndb (SUSE-SU-2025:0429-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.11.13, 2.12.10 or 2.13.4 eliminates this vulnerability. Applying the patch 6f5537bdf15ddbaa0f27a1a678632ff0743e4107 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (216199). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• argoproj

Name

• argo-cd

Version

• 2.11.0
• 2.11.1
• 2.11.2
• 2.11.3
• 2.11.4
• 2.11.5
• 2.11.6
• 2.11.7
• 2.11.8
• 2.11.9
• 2.11.10
• 2.11.11
• 2.11.12
• 2.12.0
• 2.12.1
• 2.12.2
• 2.12.3
• 2.12.4
• 2.12.5
• 2.12.6
• 2.12.7
• 2.12.8
• 2.12.9
• 2.13.0
• 2.13.1
• 2.13.2
• 2.13.3

License

• open-source

Website

• Product: https://github.com/argoproj/argo-cd/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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