StackRadar

flagger 0.21.0 Helm chart

mesosphere

Scored 14 Sept 2026

Flagger is a Kubernetes operator that automates the promotion of canary deployments using Istio, Linkerd, App Mesh, Gloo or NGINX routing for traffic shifting and Prometheus metrics for canary analysis.

Version 0.21.0 3 years agoapp version 0.19.0 0Artifact Hub

flagger 0.21.0 deploys 2 container images: weaveworks/flagger-loadtester and weaveworks/flagger. Across them, 462 findings5 critical, 13 high 4 on CISA KEV. The highest contribution is GHSA-39qc-96h7-956f in golang.org/x/net v0.0.0-20190206173232-65e2d4e15006, fixed in 0.0.0-20190813141303-74dc4d7220e7. Chart.yaml declares kubeVersion >=1.11.0-0; rendered for Kubernetes 1.11.0.

Radar Score

6,04851379365

462 findings over 2 of 2 images measured

KEV ×4 confirmed exploited

Radar Score is the sum of every finding’s contribution; the colour is the worst finding’s band.

Container images

2 images
ImageTagVulnerabilitiesRadar Score
weaveworks/flagger-loadtester0.9.036201562,356
weaveworks/flagger0.19.027592093,692

Rendered with the chart’s default values for linux/amd64. Optional subcharts, images set by operator flags and images inside CRD payloads are not seen and are counted as unmeasured.

Critical findings

3 distinct across the version’s images

Critical: findings whose contribution to the Radar Score is 70–100. Show every band

SeverityAdvisoryPackageFixed in
CriticalGHSA-39qc-96h7-956fgolang.org/x/net@v0.0.0-20190206173232-65e2d4e150060.0.0-20190813141303-74dc4d7220e7
CriticalGHSA-hgr8-6h9x-f7q9golang.org/x/net@v0.0.0-20190206173232-65e2d4e150060.0.0-20190813141303-74dc4d7220e7
CriticalALPINE-CVE-2019-9513nghttp2@1.32.0-r01.39.2-r0

Indexed versions

VersionPublishedApp versionVulnerabilitiesRadar Score
0.21.0latest3 years ago0.19.0513793656,048

The latest version and the previous major, as selected nightly from the repository’s index.

README badge
[![Radar Score](https://charts.stackradar.io/badge/mesosphere/flagger.svg)](https://charts.stackradar.io/charts/mesosphere/flagger)

Markdown. The badge shows the latest version’s band and Radar Score, refreshed daily.

helm v3.16.4 · syft 1.42.1 · rendered 7 Sept 2026 · scanned 14 Sept 2026 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.