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Vendor

fluxcd

10 known vulnerabilities.

fluxcd at a glance

Last 12 months
2
Critical · all time
2
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 1 vulnerability May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 1 vulnerability Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Products

flux2 6 source-controller 2 notification-controller 1 kustomize-controller 1
All Critical High Medium Low Exploited only Public exploit

10 results · Feed

  • Medium 5.3
    CVE-2026-47680

    Source controller: Improper path handling allows traversal

    The source-controller is a Kubernetes operator, specialised in artifacts acquisition from external sources such as Git, OCI, Helm repositories and S3-compatible buckets. In versions 0.0.17 through 1.8.4, an actor with the ability to influence the contents of …

    fluxcd source-controller github.com/fluxcd/source-controller Go
  • Low 3.1
    CVE-2026-40109

    Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

    Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub …

    fluxcd notification-controller github.com/fluxcd/notification-controller Go
  • Medium 5.1
    CVE-2024-31216

    source-controller leaks theAzure Storage SAS token into logs on connection errors

    The source-controller is a Kubernetes operator, specialised in artifacts acquisition from external sources such as Git, OCI, Helm repositories and S3-compatible buckets. The source-controller implements the source.toolkit.fluxcd.io API and is a core component…

    fluxcd source-controller github.com/fluxcd/source-controller Go
  • Medium 5.0
    CVE-2022-39272

    Flux2 vulnerable to Denial of Service due to Improper use of metav1.Duration

    Flux is an open and extensible continuous delivery solution for Kubernetes. Versions prior to 0.35.0 are subject to a Denial of Service. Users that have permissions to change Flux’s objects, either through a Flux source or directly within a cluster, can provi…

    fluxcd flux2 github.com/fluxcd/flux2 github.com/fluxcd/kustomize-controller Alpine Go
  • High 7.7
    CVE-2022-36049

    Flux2 Helm Controller denial of service

    Flux2 is a tool for keeping Kubernetes clusters in sync with sources of configuration, and Flux's helm-controller is a Kubernetes operator that allows one to declaratively manage Helm chart releases. Helm controller is tightly integrated with the Helm SDK. A …

    fluxcd flux2 github.com/fluxcd/flux2 github.com/fluxcd/helm-controller Go
  • High 7.7
    CVE-2022-36035

    Flux CLI Workload Injection

    Flux is a tool for keeping Kubernetes clusters in sync with sources of configuration (like Git repositories), and automating updates to configuration when there is new code to deploy. Flux CLI allows users to deploy Flux components into a Kubernetes cluster v…

    fluxcd flux2 github.com/fluxcd/flux2 Go
  • High 7.7
    CVE-2022-24878

    Improper path handling in Kustomization files allows for denial of service

    Flux is an open and extensible continuous delivery solution for Kubernetes. Path Traversal in the kustomize-controller via a malicious `kustomization.yaml` allows an attacker to cause a Denial of Service at the controller level. Workarounds include automated …

    fluxcd flux2 github.com/fluxcd/flux2 github.com/fluxcd/kustomize-controller Go
  • Critical 9.9
    CVE-2022-24877

    Improper path handling in kustomization files allows path traversal

    Flux is an open and extensible continuous delivery solution for Kubernetes. Path Traversal in the kustomize-controller via a malicious `kustomization.yaml` allows an attacker to expose sensitive data from the controller’s pod filesystem and possibly privilege…

    fluxcd flux2 github.com/fluxcd/flux2 github.com/fluxcd/kustomize-controller Go
  • Critical 9.9
    CVE-2022-24817

    Improper kubeconfig validation allows arbitrary code execution

    Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In mul…

    fluxcd flux2 github.com/fluxcd/flux2 github.com/fluxcd/kustomize-controller Go
  • High 8.8
    CVE-2021-41254

    Privilege escalation to cluster admin on multi-tenant environments

    kustomize-controller is a Kubernetes operator, specialized in running continuous delivery pipelines for infrastructure and workloads defined with Kubernetes manifests and assembled with Kustomize. Users that can create Kubernetes Secrets, Service Accounts and…

    fluxcd kustomize-controller github.com/fluxcd/kustomize-controller Go