flagger 0.21.0 Helm chart
mesosphereScored 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 findings — 5 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
Radar Score is the sum of every finding’s contribution; the colour is the worst finding’s band.
Container images
| Image | Tag | Vulnerabilities | Radar Score |
|---|---|---|---|
| weaveworks/ | 0.9.0 | 3620156 | 2,356 |
| weaveworks/ | 0.19.0 | 2759209 | 3,692 |
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.
Vulnerabilities
| Severity | Advisory | Package | Fixed in |
|---|---|---|---|
| Low | GO-2021-0245 | stdlib | 1.15.15 |
| Low | GHSA-m2w4-8ggf-rj47 | github.com/ | no fix listed |
| Low | GHSA-q4h4-gmj2-qvw2 | golang.org/ | 0.52.0 |
| Low | GO-2021-0319 | stdlib | 1.16.14 |
| Low | GHSA-w879-237q-wc7r | golang.org/ | 0.52.0 |
| Low | GHSA-rr8j-7w34-xp5j | github.com/ | 1.18.0 |
| Low | ALPINE-CVE-2019-1563 | openssl | 1.1.1d-r0 |
| Low | GHSA-2wrh-6pvc-2jm9 | golang.org/ | 0.13.0 |
| Low | GHSA-86c6-3g63-5w64 | github.com/ | 1.13.0 |
| Low | GO-2022-0493 | stdlib | 1.17.10 |
| Low | GO-2021-0224 | stdlib | 1.13.13 |
| Low | GHSA-6h4p-m86h-hhgh | github.com/ | 1.20.0 |
| Low | GO-2021-0317 | stdlib | 1.16.14 |
| Low | GO-2023-2185 | stdlib | 1.20.11 |
| Low | GO-2021-0235 | stdlib | 1.14.14 |
| Low | GHSA-72gw-fmmr-c4r4 | github.com/ | no fix listed |
| Low | GO-2022-0229 | stdlib | 1.12.16 |
| Low | GO-2022-0537 | stdlib | 1.17.13 |
| Low | GO-2021-0234 | stdlib | 1.15.9 |
| Low | ALPINE-CVE-2021-23839 | openssl | 1.1.1j-r0 |
| Low | GHSA-cpfq-66p2-336j | github.com/ | 1.18.21 |
| Low | GO-2023-1703 | stdlib | 1.19.8 |
| Low | GO-2021-0241 | stdlib | 1.15.13 |
| Low | GO-2022-0521 | stdlib | 1.17.12 |
| Low | GO-2022-0477 | stdlib | 1.17.11 |
| Low | GHSA-7rx2-769v-hrwf | github.com/ | 1.20.2 |
| Low | GO-2026-4341 | stdlib | 1.24.12 |
| Low | GHSA-6239-28c2-9mrm | github.com/ | 1.6.6 |
| Low | GO-2022-0533 | stdlib | 1.17.11 |
| Low | GO-2022-0523 | stdlib | 1.17.12 |
| Low | GO-2024-2887 | stdlib | 1.21.11 |
| Low | ALPINE-CVE-2019-1547 | openssl | 1.1.1d-r0 |
| Low | GO-2022-0522 | stdlib | 1.17.12 |
| Low | GO-2022-0527 | stdlib | 1.17.12 |
| Low | GO-2022-0524 | stdlib | 1.17.12 |
| Low | GO-2023-1704 | stdlib | 1.19.8 |
| Low | GO-2022-0289 | stdlib | 1.16.12 |
| Low | GHSA-v3hp-mcj5-pg39 | github.com/ | 1.11.9 |
| Low | GHSA-m979-w9wj-qfj9 | github.com/ | 1.3.4 |
| Low | GO-2021-0223 | stdlib | 1.13.13 |
| Low | GHSA-7g3r-8c6v-hfmr | github.com/ | 1.22.0 |
| Low | GO-2022-0526 | stdlib | 1.17.12 |
| Low | ALPINE-CVE-2020-28928 | musl | 1.1.22-r4 |
| Low | GHSA-qh7p-pfq3-677h | github.com/ | 1.22.0 |
| Low | GO-2023-1568 | stdlib | 1.19.6 |
| Low | GO-2022-1037 | stdlib | 1.18.7 |
| Low | GO-2023-1987 | stdlib | 1.19.12 |
| Low | GHSA-qv3p-fmv3-9hww | github.com/ | 1.20.1 |
| Low | GO-2023-1752 | stdlib | 1.19.9 |
| Low | GHSA-99wr-c2px-grmh | github.com/ | 1.20.0 |
Indexed versions
The latest version and the previous major, as selected nightly from the repository’s index.
README badge
Markdown. The badge shows the latest version’s band and Radar Score, refreshed daily.