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
4,221
of 17,966 indexed, latest versions
Container images
4,754
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 4,221 of 17,966 indexed charts deploy, on 4,754 images.

Affected packageAffected versionsFixed inImages
golang-1.19deb1.19.8-2no fix listed1
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+183 more1.25.104,754
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,221 by stars
ChartLatestAffected imagesRadar Score
log-socketkube-loggingVerified publisher0.1.21 of 1See more

log-socket kube-logging 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/banzaicloud/log-socket:latesta514736d2d4d
stdlib@go1.18.6
1.25.10

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1,226
kubemacpoolkubemacpoolVerified publisher0.3.01 of 1See more

kubemacpool kubemacpool 0.3.0

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

Container imageDigestPackageFixed in
quay.io/kubevirt/kubemacpool:v0.45.0eebb65b8a12c
stdlib@go1.22.0
1.25.10

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1,711
kube-netlagkube-netlagVerified publisher1.1.01 of 1See more

kube-netlag kube-netlag 1.1.0

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

Container imageDigestPackageFixed in
alazidis/kube-netlag:1.1.00e8c84152201
stdlib@go1.24.13
1.25.10

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1,681
kube-node-readykube-node-ready0.5.01 of 1See more

kube-node-ready kube-node-ready 0.5.0

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

Container imageDigestPackageFixed in
ghcr.io/imunhatep/kube-node-ready:0.5.07439f6f9f85c
stdlib@go1.25.7
1.25.10

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648
apm-serverkube-opsVerified publisher0.1.21 of 1See more

apm-server kube-ops 0.1.2

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

Container imageDigestPackageFixed in
elastic/apm-server:7.17.6c7a1c63257d0
stdlib@go1.18.2
1.25.10

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7,410
lokikube-opsVerified publisher1.7.31 of 1See more

loki kube-ops 1.7.3

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

Container imageDigestPackageFixed in
quay.io/kube-ops/loki:2.2.14fbd63194674
stdlib@go1.15.3
1.25.10

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2,655
promtailkube-opsVerified publisher1.5.11 of 2See more

promtail kube-ops 1.5.1

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

Container imageDigestPackageFixed in
quay.io/kube-ops/promtail:2.2.134de6387233b
stdlib@go1.15.3
1.25.10

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4,160
kube-ovnkube-ovn-test1.14.01 of 1See more

kube-ovn kube-ovn-test 1.14.0

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

Container imageDigestPackageFixed in
kubeovn/kube-ovn:v1.14.06722b54eb5c0
stdlib@go1.24.4
1.25.10

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5,585
kubereportkubereport1.1.01 of 1See more

kubereport kubereport 1.1.0

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

Container imageDigestPackageFixed in
kubesuite/kubereport:latest0262424ee702
stdlib@go1.22.0
1.25.10

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1,126
cloudflaredkubernetes-homelab-helm-chartsVerified publisher0.1.11 of 1See more

cloudflared kubernetes-homelab-helm-charts 0.1.1

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

Container imageDigestPackageFixed in
cloudflare/cloudflared:2026.3.06b599ca3e974
stdlib@go1.24.13
1.25.10

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1,631
firefly-iiikubernetes-homelab-helm-chartsVerified publisher0.1.31 of 3See more

firefly-iii kubernetes-homelab-helm-charts 0.1.3

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

Container imageDigestPackageFixed in
library/postgres:16-alpine721873c34ceb
stdlib@go1.24.6
1.25.10

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4,839
ghostkubernetes-homelab-helm-chartsVerified publisher0.1.22 of 2See more

ghost kubernetes-homelab-helm-charts 0.1.2

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

Container imageDigestPackageFixed in
library/ghost:6.39.0-alpine77196da4b0df
stdlib@go1.24.6
1.25.10
library/mysql:885b9bf2e29cf
stdlib@go1.24.6
1.25.10

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3,254
navidromekubernetes-homelab-helm-chartsVerified publisher0.1.01 of 1See more

navidrome kubernetes-homelab-helm-charts 0.1.0

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

Container imageDigestPackageFixed in
deluan/navidrome:0.61.29fa40b3d8dec
stdlib@go1.25.9
1.25.10

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929
pocket-idkubernetes-homelab-helm-chartsVerified publisher0.1.01 of 1See more

pocket-id kubernetes-homelab-helm-charts 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/pocket-id/pocket-id:v2.7.045bdeaf3fcd6
stdlib@go1.26.0
1.25.10

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1,563
portfolio-trackerkubernetes-homelab-helm-chartsVerified publisher0.1.01 of 3See more

portfolio-tracker kubernetes-homelab-helm-charts 0.1.0

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

Container imageDigestPackageFixed in
library/postgres:16-alpine721873c34ceb
stdlib@go1.24.6
1.25.10

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1,519
scrutinykubernetes-homelab-helm-chartsVerified publisher0.2.22 of 3See more

scrutiny kubernetes-homelab-helm-charts 0.2.2

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

Container imageDigestPackageFixed in
library/influxdb:2.8af89d51080c9
stdlib@go1.24.9
1.25.10
ghcr.io/analogj/scrutiny:v0.9.2-web71be54e99608
stdlib@go1.25.5
1.25.10

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5,799
tor-proxykubernetes-homelab-helm-chartsVerified publisher0.1.21 of 1See more

tor-proxy kubernetes-homelab-helm-charts 0.1.2

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

Container imageDigestPackageFixed in
peterdavehello/tor-socks-proxy:latest0cc12d36d312
stdlib@go1.26.2
1.25.10

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1,489
umamikubernetes-homelab-helm-chartsVerified publisher0.1.01 of 3See more

umami kubernetes-homelab-helm-charts 0.1.0

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

Container imageDigestPackageFixed in
library/postgres:17-alpineb0f9560a2de0
stdlib@go1.24.6
1.25.10

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2,490
uptime-kumakubernetes-homelab-helm-chartsVerified publisher0.1.21 of 1See more

uptime-kuma kubernetes-homelab-helm-charts 0.1.2

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:2.2.1-slim059b49d64739
stdlib@go1.20.5
1.25.10

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7,121
kubernetes-nmstatekubernetes-nmstateVerified publisher0.87.01 of 1See more

kubernetes-nmstate kubernetes-nmstate 0.87.0

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

Container imageDigestPackageFixed in
quay.io/nmstate/kubernetes-nmstate-operator:v0.87.04dce694f01ea
stdlib@go1.26.0
1.25.10

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439
brudi-operatorkubernetes-replicator0.2.31 of 1See more

brudi-operator kubernetes-replicator 0.2.3

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

Container imageDigestPackageFixed in
quay.io/mittwald/brudi-operator:v0.2.3edb322094359
stdlib@go1.19.13
1.25.10

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3,686
harbor-operatorkubernetes-replicator1.6.31 of 1See more

harbor-operator kubernetes-replicator 1.6.3

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

Container imageDigestPackageFixed in
quay.io/mittwald/harbor-operator:v1.6.365a38180e27a
stdlib@go1.22.2
1.25.10

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1,206
kube-httpcachekubernetes-replicator0.9.11 of 1See more

kube-httpcache kubernetes-replicator 0.9.1

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

Container imageDigestPackageFixed in
quay.io/mittwald/kube-httpcache:stable2169032c5840
stdlib@go1.24.4
1.25.10

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4,884
kubernetes-secret-generatorkubernetes-replicator3.4.11 of 1See more

kubernetes-secret-generator kubernetes-replicator 3.4.1

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

Container imageDigestPackageFixed in
quay.io/mittwald/kubernetes-secret-generator:v3.4.1465b8e6d0462
stdlib@go1.23.1
1.25.10

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853
servicegatewaykubernetes-replicator2.3.31 of 1See more

servicegateway kubernetes-replicator 2.3.3

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

Container imageDigestPackageFixed in
quay.io/mittwald/servicegateway:v2.3.3fa948df30d44
stdlib@go1.21.5
1.25.10

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753
kubernetesweeklykubernetesweekly2.1.01 of 1See more

kubernetesweekly kubernetesweekly 2.1.0

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

Container imageDigestPackageFixed in
zufardhiyaulhaq/kubernetesweekly:v2.1.0a287ada277c6
stdlib@go1.16.15
1.25.10

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1,496
kube-secrets-exporterkube-secrets-exporter0.1.01 of 1See more

kube-secrets-exporter kube-secrets-exporter 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/dcristobalhmad/kube-secrets-exporter:latesta9043737cb73
stdlib@go1.22.3
1.25.10

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549
api-serverkubeshop0.11.161 of 2See more

api-server kubeshop 0.11.16

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

Container imageDigestPackageFixed in
kubeshop/testkube-api-server:0.11.160ad97f07a78b
stdlib@go1.17.8
1.25.10

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2,349
kusk-gatewaykubeshop0.0.651 of 2See more

kusk-gateway kubeshop 0.0.65

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

Container imageDigestPackageFixed in
kubeshop/kusk-gateway:v1.5.48b5bfd57a3ce
stdlib@go1.19.4
1.25.10

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1,627
kusk-gateway-apikubeshop0.1.282 of 2See more

kusk-gateway-api kubeshop 0.1.28

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

Container imageDigestPackageFixed in
kubeshop/kusk-gateway-api:v1.5.4126c713cf7d8
stdlib@go1.18.10
1.25.10
kubeshop/kusk-gateway-api-websocket:v1.5.43b4f8345ca5c
stdlib@go1.18.10
1.25.10

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2,325
testkube-apikubeshop2.1.1621 of 2See more

testkube-api kubeshop 2.1.162

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

Container imageDigestPackageFixed in
kubeshop/testkube-api-server:2.1.162e97dc620d9b4
stdlib@go1.23.10
1.25.10

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1,702
testkube-logskubeshop0.2.21 of 1See more

testkube-logs kubeshop 0.2.2

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

Container imageDigestPackageFixed in
kubeshop/testkube-logs-server:latest094186b19698
stdlib@go1.24.1
1.25.10

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1,555
testkube-operatorkubeshop2.1.1542 of 3See more

testkube-operator kubeshop 2.1.154

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

Container imageDigestPackageFixed in
kubeshop/kube-webhook-certgen:0.0.7866827c379ae
stdlib@go1.23.6
1.25.10
kubeshop/testkube-operator:2.1.154def0d0f0d4ab
stdlib@go1.23.9
1.25.10

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1,035
tracetestkubeshop0.3.391 of 2See more

tracetest kubeshop 0.3.39

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

Container imageDigestPackageFixed in
kubeshop/tracetest:v1.7.173d7e3a2db43
stdlib@go1.21.13
1.25.10

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1,602
cloudnative-pgkube-site-follower0.23.01 of 1See more

cloudnative-pg kube-site-follower 0.23.0

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

Container imageDigestPackageFixed in
ghcr.io/cloudnative-pg/cloudnative-pg:1.25.0a27779ed1085
stdlib@go1.23.4
1.25.10

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918
kubeskoopkubeskoop1.0.22 of 2See more

kubeskoop kubeskoop 1.0.2

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

Container imageDigestPackageFixed in
kubeskoop/agent:v1.0.0-rc.19031d9f74832
stdlib@go1.22.1
1.25.10
kubeskoop/controller:v1.0.0-rc.137a3eb73325d
stdlib@go1.22.1
1.25.10

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4,252
apisix-dashboardkubesphereVerified publisher0.3.01 of 1See more

apisix-dashboard kubesphere 0.3.0

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

Container imageDigestPackageFixed in
apache/apisix-dashboard:2.9.0c010ea7d1694
stdlib@go1.14.15
1.25.10

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2,543
apisix-ingress-controllerkubesphereVerified publisher0.8.01 of 2See more

apisix-ingress-controller kubesphere 0.8.0

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

Container imageDigestPackageFixed in
apache/apisix-ingress-controller:1.3.0412f92cde0b3
stdlib@go1.13.8
1.25.10

Open the chart page →

2,417
fluentbit-operatorkubesphereVerified publisher0.1.01 of 2See more

fluentbit-operator kubesphere 0.1.0

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

Container imageDigestPackageFixed in
kubesphere/fluentbit-operator:v0.9.0b87db3c57cb3
stdlib@go1.13.15
1.25.10

Open the chart page →

2,899
gitlabkubesphereVerified publisher4.2.36 of 17See more

gitlab kubesphere 4.2.3

6 of the 17 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
gitlab/gitlab-runner:alpine-v13.2.1fd7e5dfb9f30
stdlib@go1.13.8
1.25.10
mirrorgitlabcontainers/gitaly:v13.2.283599461ef8b
stdlib@go1.13.9
1.25.10
mirrorgitlabcontainers/gitlab-container-registry:v2.9.1-gitlab06b19a4bc805
stdlib@go1.13.9
1.25.10
mirrorgitlabcontainers/gitlab-shell:v13.3.09f3654f1eafc
stdlib@go1.13.9
1.25.10
mirrorgitlabcontainers/gitlab-workhorse-ce:v13.2.2a6d7bf42805a
stdlib@go1.13.9
1.25.10
mirrorgitlabcontainers/kubectl:1.13.1299931bd06b41
stdlib@go1.13.3
1.25.10

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39,134
harborkubesphereVerified publisher1.9.37 of 11See more

harbor kubesphere 1.9.3

7 of the 11 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
goharbor/chartmuseum-photon:v2.5.36ab3ca28e9e5
stdlib@go1.17.7
1.25.10
goharbor/harbor-core:v2.5.386bf3031f4a7
stdlib@go1.17.7
1.25.10
goharbor/harbor-jobservice:v2.5.38d5339ff2d74
stdlib@go1.17.7
1.25.10
goharbor/harbor-registryctl:v2.5.37f82ed1e2635
stdlib@go1.17.7
1.25.10
goharbor/notary-server-photon:v2.5.3fd91a4a1273f
stdlib@go1.14.15
1.25.10
goharbor/notary-signer-photon:v2.5.3a92b51aa7d6e
stdlib@go1.14.15
1.25.10
goharbor/trivy-adapter-photon:v2.5.3b9522c3f5056
stdlib@go1.18.3
1.25.10

Open the chart page →

17,888
pvc-autoresizerkubesphereVerified publisher0.1.01 of 1See more

pvc-autoresizer kubesphere 0.1.0

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

Container imageDigestPackageFixed in
kubesphere/pvc-autoresizer:v0.19a18a16c7b87
stdlib@go1.16.10
1.25.10

Open the chart page →

1,569
storageclass-accessorkubesphereVerified publisher0.1.01 of 1See more

storageclass-accessor kubesphere 0.1.0

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

Container imageDigestPackageFixed in
kubesphere/storageclass-accessor:v0.1.1eac8f273a9b6
stdlib@go1.16.10
1.25.10

Open the chart page →

1,516
mongodbkubesphere-carryon-experimental0.1.21 of 2See more

mongodb kubesphere-carryon-experimental 0.1.2

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

Container imageDigestPackageFixed in
mikefarah/yq:2.4.16fc625c402de
stdlib@go1.13.3
1.25.10

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9,823
aws-efs-csi-driverkubesphere-carryon-test0.1.01 of 3See more

aws-efs-csi-driver kubesphere-carryon-test 0.1.0

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

Container imageDigestPackageFixed in
amazon/aws-efs-csi-driver:v0.3.0b55277652ea8
stdlib@go1.13.4
1.25.10

Open the chart page →

2,625
aws-fsx-csi-driverkubesphere-carryon-test0.1.01 of 4See more

aws-fsx-csi-driver kubesphere-carryon-test 0.1.0

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

Container imageDigestPackageFixed in
amazon/aws-fsx-csi-driver:latestc9b14856fd22
stdlib@go1.16.8
1.25.10

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1,605
ccm-qingcloudkubesphere-carryon-test0.1.01 of 1See more

ccm-qingcloud kubesphere-carryon-test 0.1.0

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

Container imageDigestPackageFixed in
qingcloud/cloud-controller-manager:v1.4.1210f66b5df886
stdlib@go1.18.2
1.25.10

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1,544
cni-hostnickubesphere-carryon-test0.1.01 of 1See more

cni-hostnic kubesphere-carryon-test 0.1.0

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

Container imageDigestPackageFixed in
qingcloud/hostnic-plus:v1.0.34cd5366a9f51
stdlib@go1.16.3
1.25.10

Open the chart page →

2,455
csi-neonsankubesphere-carryon-test1.2.86 of 6See more

csi-neonsan kubesphere-carryon-test 1.2.8

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

Container imageDigestPackageFixed in
csiplugin/csi-attacher:v3.2.160ab9b3e6a03
stdlib@go1.16
1.25.10
csiplugin/csi-neonsan:v1.2.21fa83d45417f
stdlib@go1.14.4
1.25.10
csiplugin/csi-node-driver-registrar:v2.2.02dee3fe5fe86
stdlib@go1.16
1.25.10
csiplugin/csi-resizer:v1.2.036c31f7e1f43
stdlib@go1.16
1.25.10
csiplugin/csi-snapshotter:v4.0.051f2dfde5bcc
stdlib@go1.15
1.25.10
registry.k8s.io/sig-storage/csi-provisioner:v2.2.204c55b93a032
stdlib@go1.16.2
1.25.10

Open the chart page →

18,747
csi-qingcloudkubesphere-carryon-test1.4.06 of 6See more

csi-qingcloud kubesphere-carryon-test 1.4.0

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

Container imageDigestPackageFixed in
csiplugin/csi-attacher:v3.2.160ab9b3e6a03
stdlib@go1.16
1.25.10
csiplugin/csi-node-driver-registrar:v2.2.02dee3fe5fe86
stdlib@go1.16
1.25.10
csiplugin/csi-qingcloud:v1.4.00766163dc046
stdlib@go1.19.13
1.25.10
csiplugin/csi-resizer:v1.2.036c31f7e1f43
stdlib@go1.16
1.25.10
csiplugin/csi-snapshotter:v4.0.051f2dfde5bcc
stdlib@go1.15
1.25.10
registry.k8s.io/sig-storage/csi-provisioner:v2.2.204c55b93a032
stdlib@go1.16.2
1.25.10

Open the chart page →

12,481

Container images carrying it

4,754 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
registry.k8s.io/sig-storage/snapshot-controller:v4.2.195587f8777d7
stdlib@go1.16.2
1.25.10
1
registry.k8s.io/sig-storage/snapshot-controller:v6.2.198bab4eaf23c
stdlib@go1.19
1.25.10
1
registry.k8s.io/sig-storage/snapshot-controller:v6.3.1ce6ca3c0e30b
stdlib@go1.20.5
1.25.10
1
registry.k8s.io/sig-storage/volume-data-source-validator:v1.0.0d35884236461
stdlib@go1.17.3
1.25.10
1

syft 1.42.1 · advisories as of 1 Oct 2026

Corrections: contact@stackradar.io

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