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
0.008
55th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
4,139
of 17,837 indexed, latest versions
Container images
4,712
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 4,139 of 17,837 indexed charts deploy, on 4,712 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 more1.25.104,712
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,139 by stars
ChartLatestAffected imagesRadar Score
kube-prometheus-stackprometheus-communityOfficialVerified publisher91.5.11 of 6See more

kube-prometheus-stack prometheus-community 91.5.1

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

Container imageDigestPackageFixed in
grafana/grafana:13.2.2-distroless69a5d2d957ca
stdlib@go1.25.7
1.25.10

Open the chart page →

682
argo-cdargoOfficialVerified publisher10.9.22 of 3See more

argo-cd argo 10.9.2

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

Container imageDigestPackageFixed in
ghcr.io/dexidp/dex:v2.45.18499afd690c4
stdlib@go1.25.6
1.25.10
quay.io/argoproj/argocd:v3.5.3dd3f47d5a5e4
stdlib@go1.26.2
1.25.10

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3,086
ingress-nginxingress-nginx4.15.12 of 2See more

ingress-nginx ingress-nginx 4.15.1

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.15.1594ceea76b01
stdlib@go1.26.1
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.6.901038e7de14b
stdlib@go1.26.1
1.25.10

Open the chart page →

1,544
kubernetes-dashboardk8s-dashboard7.14.04 of 5See more

kubernetes-dashboard k8s-dashboard 7.14.0

4 of the 5 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
kubernetesui/dashboard-api:1.14.096a702cfd339
stdlib@go1.23.12
1.25.10
kubernetesui/dashboard-auth:1.4.053e9917898bf
stdlib@go1.23.12
1.25.10
kubernetesui/dashboard-metrics-scraper:1.2.25154b68252bd
stdlib@go1.23.4
1.25.10
kubernetesui/dashboard-web:1.7.0cc7c31bd2d84
stdlib@go1.23.9
1.25.10

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3,198
lokigrafana7.3.02 of 6See more

loki grafana 7.3.0

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

Container imageDigestPackageFixed in
grafana/loki:3.6.1144148ad243c0
stdlib@go1.26.2
1.25.10
prom/memcached-exporter:v0.15.4b6763ecb3c47
stdlib@go1.25.3
1.25.10

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3,959
gitlabgitlabVerified publisher10.4.11 of 21See more

gitlab gitlab 10.4.1

1 of the 21 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
registry.gitlab.com/gitlab-org/build/cng/cfssl-self-sign:v19.4.15dd7827fa474
stdlib@go1.22.0
1.25.10

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15,089
jenkinsjenkinsciOfficialVerified publisher5.9.631 of 2See more

jenkins jenkinsci 5.9.63

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

Container imageDigestPackageFixed in
jenkins/jenkins:2.568.3-jdk21c1e4c349365f
stdlib@go1.25.3
1.25.10

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2,617
metallbmetallbVerified publisher0.16.13 of 4See more

metallb metallb 0.16.1

3 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/metallb/controller:v0.16.1f51ab515de9c
stdlib@go1.25.9
1.25.10
quay.io/metallb/frr-k8s:v0.0.251cb06fb2d553
stdlib@go1.25.8
1.25.10
quay.io/metallb/speaker:v0.16.116561e96531e
stdlib@go1.25.9
1.25.10

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2,177
rancherrancher-stable2.15.21 of 2See more

rancher rancher-stable 2.15.2

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

Container imageDigestPackageFixed in
rancher/rancher:v2.15.20c3d8e570255
stdlib@go1.26.1
1.25.10

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1,600
giteagiteaOfficialVerified publisher12.7.02 of 4See more

gitea gitea 12.7.0

2 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
bitnamilegacy/pgpool:4.6.3-debian-12-r0d3bf3910f148
stdlib@go1.25.0
1.25.10
bitnamilegacy/valkey-cluster:8.1.3-debian-12-r332869e769b7e
stdlib@go1.24.6
1.25.10

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9,056
nfs-subdir-external-provisionernfs-subdir-external-provisioner4.0.181 of 1See more

nfs-subdir-external-provisioner nfs-subdir-external-provisioner 4.0.18

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/nfs-subdir-external-provisioner:v4.0.263d5e04551ec
stdlib@go1.15
1.25.10

Open the chart page →

2,746
artifact-hubartifact-hubVerified publisher1.23.04 of 7See more

artifact-hub artifact-hub 1.23.0

4 of the 7 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
aquasec/trivy:0.69.3bcc376de8d77
stdlib@go1.25.7
1.25.10
artifacthub/postgres:latest4fd34fa635cc
stdlib@go1.24.6
1.25.10
artifacthub/scanner:v1.23.02d8365601f0e
stdlib@go1.25.7
1.25.10
artifacthub/tracker:v1.23.05368d21a6e5c
stdlib@go1.24.4
1.25.10

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11,073
alloygrafana1.12.11 of 2See more

alloy grafana 1.12.1

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

Container imageDigestPackageFixed in
quay.io/prometheus-operator/prometheus-config-reloader:v0.91.07d9e4eea5f11
stdlib@go1.25.9
1.25.10

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1,215
prometheus-blackbox-exporterprometheus-communityOfficialVerified publisher11.18.01 of 1See more

prometheus-blackbox-exporter prometheus-community 11.18.0

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

Container imageDigestPackageFixed in
quay.io/prometheus/blackbox-exporter:v0.28.0e753ff9f3fc4
stdlib@go1.25.5
1.25.10

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600
deschedulerdescheduler0.36.01 of 1See more

descheduler descheduler 0.36.0

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

Container imageDigestPackageFixed in
registry.k8s.io/descheduler/descheduler:v0.36.07ca92c0a7b4f
stdlib@go1.26.0
1.25.10

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583
argo-cdargo-cd-oci10.9.22 of 3See more

argo-cd argo-cd-oci 10.9.2

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

Container imageDigestPackageFixed in
ghcr.io/dexidp/dex:v2.45.18499afd690c4
stdlib@go1.25.6
1.25.10
quay.io/argoproj/argocd:v3.5.3dd3f47d5a5e4
stdlib@go1.26.2
1.25.10

Open the chart page →

3,086
jupyterhubjupyterhubOfficialVerified publisher4.4.22 of 7See more

jupyterhub jupyterhub 4.4.2

2 of the 7 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/jupyterhub/k8s-image-awaiter:4.4.2c4df1176d152
stdlib@go1.23.12
1.25.10
registry.k8s.io/kube-scheduler:v1.30.1474a5cf9cfa9f
stdlib@go1.23.10
1.25.10

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8,379
mimir-distributedgrafana6.2.02 of 6See more

mimir-distributed grafana 6.2.0

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

Container imageDigestPackageFixed in
quay.io/minio/mc:RELEASE.2024-11-21T17-21-54Z993e8c454a7e
stdlib@go1.23.4
1.25.10
quay.io/minio/minio:RELEASE.2024-12-18T13-15-44Z1dce27c494a1
stdlib@go1.23.4
1.25.10

Open the chart page →

4,701
natsnatsVerified publisher2.15.01 of 3See more

nats nats 2.15.0

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

Container imageDigestPackageFixed in
natsio/nats-server-config-reloader:0.23.064cb6c858e79
stdlib@go1.25.6
1.25.10

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2,151
dexdexVerified publisher0.24.11 of 1See more

dex dex 0.24.1

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

Container imageDigestPackageFixed in
ghcr.io/dexidp/dex:v2.44.05d0656fce7d4
stdlib@go1.25.0
1.25.10

Open the chart page →

1,777
uptime-kumauptime-kumaVerified publisher4.2.01 of 1See more

uptime-kuma uptime-kuma 4.2.0

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:2.5.0a8610b3b4c38
stdlib@go1.20.5
1.25.10

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31,332
airflowairflow-helmVerified publisher8.9.01 of 4See more

airflow airflow-helm 8.9.0

1 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
apache/airflow:2.8.4-python3.964e58748b6b9
stdlib@go1.21.8
1.25.10

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11,510
nfs-server-provisionerkvaps1.8.01 of 1See more

nfs-server-provisioner kvaps 1.8.0

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/nfs-provisioner:v4.0.8c825f3d5e28b
stdlib@go1.16.2
1.25.10

Open the chart page →

2,316
chartmuseumchartmuseumVerified publisher3.10.41 of 1See more

chartmuseum chartmuseum 3.10.4

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

Container imageDigestPackageFixed in
ghcr.io/helm/chartmuseum:v0.16.3c81f105c3682
stdlib@go1.24.1
1.25.10

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1,515
grafanagrafana-communityVerified publisher13.2.51 of 1See more

grafana grafana-community 13.2.5

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

Container imageDigestPackageFixed in
grafana/grafana:13.2.2-distroless69a5d2d957ca
stdlib@go1.25.7
1.25.10

Open the chart page →

449
rook-cephrookOfficialVerified publisher1.20.71 of 2See more

rook-ceph rook 1.20.7

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

Container imageDigestPackageFixed in
rook/ceph:v1.20.72f970c425617
stdlib@go1.22.10
1.25.10

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1,474
argo-eventsargoOfficialVerified publisher2.4.271 of 1See more

argo-events argo 2.4.27

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

Container imageDigestPackageFixed in
quay.io/argoproj/argo-events:v1.9.11fa07b2c9ece6
stdlib@go1.25.6
1.25.10

Open the chart page →

1,093
victoria-metrics-k8s-stackvictoriametricsVerified publisher0.93.01 of 7See more

victoria-metrics-k8s-stack victoriametrics 0.93.0

1 of the 7 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/prometheus/node-exporter:v1.11.10f422f62c15f
stdlib@go1.26.1
1.25.10

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1,955
aws-node-termination-handleraws0.21.01 of 1See more

aws-node-termination-handler aws 0.21.0

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

Container imageDigestPackageFixed in
public.ecr.aws/aws-ec2/aws-node-termination-handler:v1.19.0844478ebd5b8
stdlib@go1.19.5
1.25.10

Open the chart page →

1,446
home-assistanthelm-hassVerified publisher0.3.821 of 1See more

home-assistant helm-hass 0.3.82

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

Container imageDigestPackageFixed in
ghcr.io/home-assistant/home-assistant:2026.9.3d89226851697
stdlib@go1.25.6
1.25.10

Open the chart page →

2,181
openebsopenebsOfficialVerified publisher4.6.120 of 35See more

openebs openebs 4.6.1

20 of the 35 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/alloy:v1.8.17790f6f7fbd8
stdlib@go1.24.1
1.25.10
grafana/loki:3.4.258a6c186ce78
stdlib@go1.23.6
1.25.10
library/nats:2.9.17-alpine1a7b320b2942
stdlib@go1.19.9
1.25.10
natsio/nats-server-config-reloader:0.10.1e414cc7e6f59
stdlib@go1.19.4
1.25.10
natsio/prometheus-nats-exporter:0.11.031c02aac089a
stdlib@go1.20.3
1.25.10
openebs/etcd:3.6.4-debian-12-r0c86c06f1ce6a
stdlib@go1.24.5
1.25.10
openebs/lvm-driver:1.10.141f73aba7f31
stdlib@go1.24.7
1.25.10
openebs/provisioner-localpv:4.6.099f5116f5cb8
stdlib@go1.25.0
1.25.10
openebs/zfs-driver:2.11.116f1a74bb249
stdlib@go1.26.2
1.25.10
quay.io/minio/mc:RELEASE.2024-11-21T17-21-54Z993e8c454a7e
stdlib@go1.23.4
1.25.10
quay.io/minio/minio:RELEASE.2024-12-18T13-15-44Z1dce27c494a1
stdlib@go1.23.4
1.25.10
quay.io/prometheus-operator/prometheus-config-reloader:v0.81.0959d47672fbf
stdlib@go1.23.7
1.25.10
registry.k8s.io/sig-storage/csi-attacher:v4.8.169888dba5815
stdlib@go1.23.1
1.25.10
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.13.0d7138bcc3aa5
stdlib@go1.23.1
1.25.10
registry.k8s.io/sig-storage/csi-provisioner:v5.2.0d5e46da8aff7
stdlib@go1.23.1
1.25.10
registry.k8s.io/sig-storage/csi-provisioner:v6.1.0e5900dc98b0d
stdlib@go1.24.6
1.25.10
registry.k8s.io/sig-storage/csi-resizer:v2.0.04a95d94e57ad
stdlib@go1.24.6
1.25.10
registry.k8s.io/sig-storage/csi-resizer:v1.13.28ddd178ba5d0
stdlib@go1.23.1
1.25.10
registry.k8s.io/sig-storage/csi-snapshotter:v8.2.0dd788d79cf4c
stdlib@go1.23.1
1.25.10
registry.k8s.io/sig-storage/snapshot-controller:v8.2.09dade8f2f3ab
stdlib@go1.23.1
1.25.10

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24,413
prometheus-adapterprometheus-communityOfficialVerified publisher5.3.01 of 1See more

prometheus-adapter prometheus-community 5.3.0

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

Container imageDigestPackageFixed in
registry.k8s.io/prometheus-adapter/prometheus-adapter:v0.12.0932eae60e2bc
stdlib@go1.22.2
1.25.10

Open the chart page →

945
open-webuiopen-webui16.6.01 of 4See more

open-webui open-webui 16.6.0

1 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
library/redis:7.4.2-alpine3.2102419de7eddf
stdlib@go1.18.2
1.25.10

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1,435
actions-runner-controlleractions-runner-controller0.23.72 of 2See more

actions-runner-controller actions-runner-controller 0.23.7

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

Container imageDigestPackageFixed in
summerwind/actions-runner-controller:v0.27.62128f81dbede
stdlib@go1.20.7
1.25.10
quay.io/brancz/kube-rbac-proxy:v0.13.1738c854322f5
stdlib@go1.19.1
1.25.10

Open the chart page →

2,892
aws-for-fluent-bitaws0.2.01 of 1See more

aws-for-fluent-bit aws 0.2.0

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

Container imageDigestPackageFixed in
public.ecr.aws/aws-observability/aws-for-fluent-bit:3.2.1a480a1241720
stdlib@go1.25.6
1.25.10

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252
apisixapisix2.17.01 of 3See more

apisix apisix 2.17.0

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

Container imageDigestPackageFixed in
bitnamilegacy/etcd:latest99b408c15272
stdlib@go1.23.10
1.25.10

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3,227
vpafairwinds-stableVerified publisher5.1.01 of 4See more

vpa fairwinds-stable 5.1.0

1 of the 4 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20230312-helm-chart-4.5.2-28-g66a76079401d181618f27
stdlib@go1.20.1
1.25.10

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1,234
terraformhashicorpVerified publisher1.1.21 of 1See more

terraform hashicorp 1.1.2

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

Container imageDigestPackageFixed in
hashicorp/terraform-k8s:1.1.2b19857bab620
stdlib@go1.18.8
1.25.10

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2,061
trinotrino1.42.21 of 1See more

trino trino 1.42.2

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

Container imageDigestPackageFixed in
trinodb/trino:4801565e8cac299
stdlib@go1.26.1
1.25.10

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1,317
dagsterdagsterVerified publisher1.13.241 of 5See more

dagster dagster 1.13.24

1 of the 5 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
library/postgres:14.6f565573d74ae
stdlib@go1.18.2
1.25.10

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3,041
zabbixzabbix-communityVerified publisher7.1.03 of 5See more

zabbix zabbix-community 7.1.0

3 of the 5 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
library/postgres:16a3b7f434b2dc
stdlib@go1.24.6
1.25.10
zabbix/zabbix-agent2:ubuntu-7.0.237322a94c5d7a
stdlib@go1.24.10
1.25.10
zabbix/zabbix-web-service:ubuntu-7.0.23915b3183e054
stdlib@go1.24.10
1.25.10

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13,856
keycloakcloudpirates-keycloakVerified publisher0.21.412 of 3See more

keycloak cloudpirates-keycloak 0.21.41

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

Container imageDigestPackageFixed in
library/postgres:18.0073e7c8b84e2
stdlib@go1.24.6
1.25.10
library/postgres:18.686c951e05bf5
stdlib@go1.24.6
1.25.10

Open the chart page →

4,163
graylogkong-zVerified publisher3.0.341 of 5See more

graylog kong-z 3.0.34

1 of the 5 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
quay.io/mongodb/mongodb-kubernetes-operator:0.13.02dcc6393e6f7
stdlib@go1.24.2
1.25.10

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2,663
connectonepassword-connect2.4.12 of 2See more

connect onepassword-connect 2.4.1

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

Container imageDigestPackageFixed in
1password/connect-api:1.8.2e915c0c84397
stdlib@go1.25.7
1.25.10
1password/connect-sync:1.8.26297ca6136c0
stdlib@go1.25.7
1.25.10

Open the chart page →

2,638
node-problem-detectordeliveryheroVerified publisher2.4.11 of 1See more

node-problem-detector deliveryhero 2.4.1

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

Container imageDigestPackageFixed in
registry.k8s.io/node-problem-detector/node-problem-detector:v1.35.1c380751accc5
stdlib@go1.25.5
1.25.10

Open the chart page →

2,037
miniominio-official5.4.02 of 2See more

minio minio-official 5.4.0

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

Container imageDigestPackageFixed in
quay.io/minio/mc:RELEASE.2024-11-21T17-21-54Z993e8c454a7e
stdlib@go1.23.4
1.25.10
quay.io/minio/minio:RELEASE.2024-12-18T13-15-44Z1dce27c494a1
stdlib@go1.23.4
1.25.10

Open the chart page →

2,615
openfaasopenfaas15.0.133 of 6See more

openfaas openfaas 15.0.13

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

Container imageDigestPackageFixed in
library/nats-streaming:0.25.60ad6861379c9
stdlib@go1.20.11
1.25.10
ghcr.io/openfaas/gateway:0.27.14ee0eaecc490c
stdlib@go1.24.13
1.25.10
ghcr.io/openfaas/queue-worker:0.14.2c18da04d70f6
stdlib@go1.23.4
1.25.10

Open the chart page →

3,581
flux2fluxcd-community2.19.11 of 7See more

flux2 fluxcd-community 2.19.1

1 of the 7 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
fluxcd/flux-cli:v2.9.5704d55295355
stdlib@go1.26.2
1.25.10

Open the chart page →

2,467
jaeger-operatorjaegertracingOfficialVerified publisher2.57.01 of 1See more

jaeger-operator jaegertracing 2.57.0

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

Container imageDigestPackageFixed in
jaegertracing/jaeger-operator:1.61.03f036ec60e61
stdlib@go1.22.3
1.25.10

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569
keydbenapter0.48.01 of 1See more

keydb enapter 0.48.0

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

Container imageDigestPackageFixed in
eqalpha/keydb:x86_64_v6.3.2fd9351ce27a7
stdlib@go1.18.2
1.25.10

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5,630

Container images carrying it

4,712 by charts deploying them

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

syft 1.42.1 · advisories as of 24 Sept 2026

Corrections: contact@stackradar.io

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