CVE-2020-11576: Observable Discrepancy in Argo
Summary
CVE-2020-11576: Observable Discrepancy in Argo. Affects github.com/argoproj/argo-cd versions >= 1.5.0, < 1.5.1. Fixed in 1.5.1. How to fix ↓
Also tracked for
- argo-cd · Bitnami
The same CVE-2020-11576 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Argo is an open-source project that provides continuous deployment and application lifecycle management for Kubernetes. It includes a component called Argo CD, which is responsible for managing the deployment of applications in Kubernetes clusters. The 'util/session' package in Argo CD is used for handling user sessions and authentication. However, in version 1.5.0 of Argo CD, there was a user-enumeration vulnerability that allowed attackers to determine the usernames of valid (non-SSO) accounts within Argo.
Vulnerability Detail
The user-enumeration vulnerability in Argo CD version 1.5.0 allowed attackers to enumerate valid usernames of non-SSO accounts. By exploiting this vulnerability, an attacker could gather information about valid user accounts, which could potentially be used for further attacks or unauthorized access. The vulnerability was fixed in version 1.5.1 of Argo CD.
How To Fix
Latest published version: v1.8.7 as of 22 Oct 2026
go get github.com/argoproj/argo-cd@v1.8.7Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.5.1
This is the first release that contains the fix.
go get github.com/argoproj/argo-cd@v1.5.1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended approach is to upgrade to the fixed version of Argo CD.
Conclusion
The user-enumeration vulnerability in Argo CD version 1.5.0 allowed attackers to determine the usernames of valid (non-SSO) accounts. It is crucial to upgrade to version 1.5.1 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for github.com/argoproj/argo-cd →
FAQ
Argo CD is an open-source project that provides continuous deployment and application lifecycle management for Kubernetes.
The 'util/session' package in Argo CD is used for handling user sessions and authentication.
The vulnerability allows attackers to determine the usernames of valid (non-SSO) accounts within Argo CD, which could potentially be used for further attacks or unauthorized access.
To fix this vulnerability, it is recommended to upgrade Argo CD to version 1.5.1 or later.
There is no specific workaround mentioned for this vulnerability. The recommended approach is to upgrade to the fixed version of Argo CD.
References
Related vulnerabilities
Recent vulnerabilities recorded for github.com/argoproj/argo-cd.
