StackRadar

CVE-2026-39820

High

Advisory

Published 7 May 2026In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.009
57th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
4,158
of 17,879 indexed, latest versions
Container images
4,693
deployed by those charts
Fix available
1 of 2
affected packages

Quadratic string concatentation in consumeComment in net/mail

Carried by container images the latest versions of 4,158 of 17,879 indexed charts deploy, on 4,693 images.

Affected packageAffected versionsFixed inImages
golang-1.19deb1.19.8-2no fix listed1
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+182 more1.25.104,693
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,158 by stars
ChartLatestAffected imagesRadar Score
prometheus-monitoring-stackyotron-helm-charts1.2.01 of 3See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

1 of the 3 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/grafana:latestac461fb352ab
stdlib@go1.25.7
1.25.10

Open the chart page →

792
zahori-consulzahoriVerified publisher1.0.12 of 2See more

zahori-consul zahori 1.0.1

2 of the 2 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
hashicorp/consul:1.15.3ddff34041c5c
stdlib@go1.20.4
1.25.10
hashicorp/consul-k8s-control-plane:1.1.262bed1bf8106
stdlib@go1.20.4
1.25.10

Open the chart page →

5,088
zahori-moonzahoriVerified publisher1.0.13 of 3See more

zahori-moon zahori 1.0.1

3 of the 3 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/aerokube/moon:2.5.1a8837b00ba1c
stdlib@go1.20.4
1.25.10
quay.io/aerokube/moon-conf:2.5.19ca307b30080
stdlib@go1.20.4
1.25.10
quay.io/aerokube/moon-ui:2.0.589990b146824
stdlib@go1.20.5
1.25.10

Open the chart page →

2,909
zahori-schedulerzahoriVerified publisher1.0.11 of 1See more

zahori-scheduler zahori 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
zahoriaut/zahori-scheduler:1.0.047d0979b1184
stdlib@go1.20.5
1.25.10

Open the chart page →

2,536
jenkinszanise-jenkins-helm-chart0.1.01 of 1See more

jenkins zanise-jenkins-helm-chart 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
jenkins/jenkins:ltsc1e4c349365f
stdlib@go1.25.3
1.25.10

Open the chart page →

2,661
posthogzeet0.23.21 of 9See more

posthog zeet 0.23.2

1 of the 9 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
altinity/clickhouse-operator:0.19.07a85f522c5bc
stdlib@go1.17.13
1.25.10

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3,741
zookeeper-exporterzookeeper-exporter0.1.01 of 1See more

zookeeper-exporter zookeeper-exporter 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
dabealu/zookeeper-exporter:latest86106fec315f
stdlib@go1.14.15
1.25.10

Open the chart page →

1,249
zoo-project-druzoo-projectOfficialVerified publisher0.10.41 of 6See more

zoo-project-dru zoo-project 0.10.4

1 of the 6 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
library/postgres:18.4-alpine3.249a8afca54e78
stdlib@go1.24.6
1.25.10

Open the chart page →

8,360

Container images carrying it

4,693 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
quay.io/jetstack/cert-manager-startupapicheck:v1.16.1b4a5e42f6dbf
stdlib@go1.23.2
1.25.10
1
quay.io/jetstack/cert-manager-startupapicheck:v1.19.3e51a06251338
stdlib@go1.25.6
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.19.32625754083d5
stdlib@go1.25.6
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.10.164121721c665
stdlib@go1.19.3
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.16.16edf44244b2a
stdlib@go1.23.2
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.18.29431f0d8b510
stdlib@go1.24.4
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.8.2ada7edd90bec
stdlib@go1.17.11
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.12.0ec4306b243d9
stdlib@go1.20.4
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.14.5ef419261a209
stdlib@go1.21.9
1.25.10
1
quay.io/jetstack/cert-manager-webhook:v1.8.0fd798a5a773e
stdlib@go1.17.8
1.25.10
1
quay.io/jetstack/kube-oidc-proxy:v0.3.0e045b26eb6df
stdlib@go1.14.1
1.25.10
1
quay.io/jiralert/jiralert-linux-amd64:v1.3.01983aa64761a
stdlib@go1.19.6
1.25.10
1
quay.io/jupyterhub/k8s-image-awaiter:3.3.7ada70832a345
stdlib@go1.18.10
1.25.10
1
quay.io/jupyterhub/k8s-image-awaiter:4.4.2c4df1176d152
stdlib@go1.23.12
1.25.10
1
quay.io/jupyterhub/k8s-image-awaiter:3.2.1f65b644ed6db
stdlib@go1.18.10
1.25.10
1
quay.io/k8start/http-headers:1.2.0c7a9987f2ac5
stdlib@go1.19.2
1.25.10
1
quay.io/keycloak/keycloak-operator:19.0.3-legacy09d52508fee9
stdlib@go1.13.8
1.25.10
1
quay.io/keycloak/keycloak-operator:19.0.2-legacy15fa0ed662b1
stdlib@go1.13.8
1.25.10
1
quay.io/keycloak/keycloak-operator:18.0.0-legacy36ce77526145
stdlib@go1.13.8
1.25.10
1
quay.io/kiali/kiali:v1.89.30dcdb1c1e747
stdlib@go1.22.5
1.25.10
1
quay.io/kiali/kiali:v2.23.07652b1285f50
stdlib@go1.25.0
1.25.10
1
quay.io/kiali/kiali-operator:v2.32.096c5264d54ab
stdlib@go1.23.4
1.25.10
1
quay.io/konveyor/move2kube-ui:latestec6ab507c5da
stdlib@go1.19
1.25.10
1
quay.io/kube-ops/loki:2.2.14fbd63194674
stdlib@go1.15.3
1.25.10
1
quay.io/kube-ops/promtail:2.2.134de6387233b
stdlib@go1.15.3
1.25.10
1
quay.io/kubermatic/kubermatic:v2.24.5ebba936046ab
stdlib@go1.20.6
1.25.10
1
quay.io/kubermatic/machine-controller:v1.57.0476ae867ae56
stdlib@go1.20.5
1.25.10
1
quay.io/kubermatic/operating-system-manager:v1.3.010081473da43
stdlib@go1.20.5
1.25.10
1
quay.io/kubernetes-multicluster/kubefed:v0.7.06d56f69b15a3
stdlib@go1.15.3
1.25.10
1
quay.io/kubernetes-multicluster/kubefed:v0.10.0c4635c95730e
stdlib@go1.16.6
1.25.10
1
quay.io/kubevirt/aaq-operator:v1.7.0d28a2daa5b15
stdlib@go1.24.12
1.25.10
1
quay.io/kubevirt/kubemacpool:v0.45.0eebb65b8a12c
stdlib@go1.22.0
1.25.10
1
quay.io/kubevirt/vm-console-proxy:v0.8.08d6b4b6e99bd
stdlib@go1.22.4
1.25.10
1
quay.io/lunarway/snyk_exporter:v1.11.155e5cc5aaa0a
stdlib@go1.17.7
1.25.10
1
quay.io/manusa/kubernetes_mcp_server:v0.0.47150f76e844d9
stdlib@go1.24.5
1.25.10
1
quay.io/maximilianopizarro/integration-console-plugin:v0.8.2270ed23a9afd
stdlib@go1.22.9
1.25.10
1
quay.io/maxiv/mortalgpu:1.3.7e1c5c194bbf0
stdlib@go1.26.0
1.25.10
1
quay.io/metallb/controller:v0.10.221164241c045
stdlib@go1.16.5
1.25.10
1
quay.io/metallb/controller:v0.14.4bbef1ee3e7d3
stdlib@go1.21.8
1.25.10
1
quay.io/metallb/speaker:v0.14.437611bde45a2
stdlib@go1.21.8
1.25.10
1
quay.io/metallb/speaker:v0.10.258cb99053bb3
stdlib@go1.16.5
1.25.10
1
quay.io/minio/csi-node-driver-registrarc805fdc16676
stdlib@go1.20.3
1.25.10
1
quay.io/minio/csi-provisioner7b5c070ec70d
stdlib@go1.20.3
1.25.10
1
quay.io/minio/csi-resizer819f68a4daf7
stdlib@go1.20.3
1.25.10
1
quay.io/minio/directpv:v4.0.84560083eb77d
stdlib@go1.21.0
1.25.10
1
quay.io/minio/livenessprobef3bc9a84f149
stdlib@go1.20.3
1.25.10
1
quay.io/minio/mc:RELEASE.2024-01-11T05-49-32Z026ae522febc
stdlib@go1.21.5
1.25.10
1
quay.io/minio/mc:RELEASE.2022-10-20T23-26-33Z50ee58bc9770
stdlib@go1.19.2
1.25.10
1
quay.io/minio/mc:RELEASE.2022-09-16T09-16-47Z546a8b52d7b0
stdlib@go1.18.6
1.25.10
1
quay.io/minio/mc:RELEASE.2024-04-29T09-56-05Zc574fac67f60
stdlib@go1.21.9
1.25.10
1

syft 1.42.1 · advisories as of 25 Sept 2026

Corrections: contact@stackradar.io

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