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
gpu-provisionerkaitoVerified publisher0.2.01 of 1See more

gpu-provisioner kaito 0.2.0

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

Container imageDigestPackageFixed in
mcr.microsoft.com/aks/kaito/gpu-provisioner:0.2.01204a7e948e9
stdlib@go1.21.8
1.25.10

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1,045
workspacekaitoVerified publisher0.12.02 of 7See more

workspace kaito 0.12.0

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

Container imageDigestPackageFixed in
mcr.microsoft.com/oss/v2/kubernetes-csi/csi-provisioner:v5.2.0afdfa3da79df
stdlib@go1.25.5
1.25.10
mcr.microsoft.com/oss/v2/kubernetes-csi/csi-resizer:v1.13.2fa8eba9843ff
stdlib@go1.25.7
1.25.10

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2,724
jenkinskallakruparaju-jenkins1.0.01 of 1See more

jenkins kallakruparaju-jenkins 1.0.0

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

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2,846
crashlooping-pod-deleterkarljorgensen0.1.31 of 1See more

crashlooping-pod-deleter karljorgensen 0.1.3

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

Container imageDigestPackageFixed in
alpine/kubectl:1.34.18413f8890d19
stdlib@go1.24.6
1.25.10

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1,198
dockerdkarljorgensen0.1.01 of 1See more

dockerd karljorgensen 0.1.0

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

Container imageDigestPackageFixed in
library/docker:28.5.2-dind2a232a42256f
stdlib@go1.24.9
1.25.10

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2,123
music-assistantkarljorgensen0.1.31 of 1See more

music-assistant karljorgensen 0.1.3

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

Container imageDigestPackageFixed in
ghcr.io/music-assistant/server:2.8.7eef3ee7810d0
stdlib@go1.25.7
1.25.10

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7,907
ping-exporterkarljorgensen1.2.11 of 1See more

ping-exporter karljorgensen 1.2.1

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

Container imageDigestPackageFixed in
czerwonk/ping_exporter:v1.2.02a35a0584608
stdlib@go1.26.0
1.25.10

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819
k10restorekastenVerified publisher8.0.141 of 1See more

k10restore kasten 8.0.14

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

Container imageDigestPackageFixed in
gcr.io/kasten-images/restorectl:8.0.145a0884f9a90c
stdlib@go1.25.4
1.25.10

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1,584
kbot-self-hostedkbot-self-hostedVerified publisher0.1.81 of 7See more

kbot-self-hosted kbot-self-hosted 0.1.8

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

Container imageDigestPackageFixed in
gotenberg/gotenberg:8.30206a6c708fc6
stdlib@go1.26.0
1.25.10

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35,703
kc-chartkc-chart1.0.01 of 3See more

kc-chart kc-chart 1.0.0

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

Container imageDigestPackageFixed in
library/mysql:latestade067ae2fb1
stdlib@go1.24.6
1.25.10

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9,497
kcmkcm1.12.02 of 12See more

kcm kcm 1.12.0

2 of the 12 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
ghcr.io/fluxcd/flux-cli:v2.9.1020edbaee890
stdlib@go1.26.2
1.25.10
quay.io/reactiveops/rbac-manager:v1.9.587e3f461446f
stdlib@go1.25.5
1.25.10

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3,565
keeper-injectorkeeper-injectorVerified publisher0.10.02 of 2See more

keeper-injector keeper-injector 0.10.0

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

Container imageDigestPackageFixed in
keeper/injector-webhook:0.10.0aeb5476b95f0
stdlib@go1.25.6
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.4a9f03b34a3cb
stdlib@go1.22.8
1.25.10

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767
keeper-injectorkeeper-securityVerified publisher0.11.31 of 2See more

keeper-injector keeper-security 0.11.3

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.4a9f03b34a3cb
stdlib@go1.22.8
1.25.10

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511
kenerkener-chart0.0.71 of 1See more

kener kener-chart 0.0.7

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

Container imageDigestPackageFixed in
ghcr.io/rajnandan1/kener:3.2.182b993cb232eb
stdlib@go1.20.7
1.25.10

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5,677
kestra-starterkestraOfficialVerified publisher2.0.42 of 5See more

kestra-starter kestra 2.0.4

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

Container imageDigestPackageFixed in
library/postgres:17.5aadf2c0696f5
stdlib@go1.18.2
1.25.10
versity/versitygw:v1.1.0f730e0dbc1ef
stdlib@go1.25.5
1.25.10

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5,960
keycloak-operator-legacykeycloak-operator-legacy1.0.01 of 1See more

keycloak-operator-legacy keycloak-operator-legacy 1.0.0

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

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak-operator:19.0.2-legacy15fa0ed662b1
stdlib@go1.13.8
1.25.10

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5,145
csi-driver-nfskeyporttech0.1.41 of 2See more

csi-driver-nfs keyporttech 0.1.4

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

Container imageDigestPackageFixed in
keyporttech/csi-driver-nfs:2.0.05bd7955ea2f1
stdlib@go1.14.2
1.25.10

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3,376
gogskeyporttech0.1.31 of 3See more

gogs keyporttech 0.1.3

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

Container imageDigestPackageFixed in
gogs/gogs:0.12.30195b095d0b2
stdlib@go1.14.7
1.25.10

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3,521
helm-mongodb-operatorkeyporttech0.1.01 of 1See more

helm-mongodb-operator keyporttech 0.1.0

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

Container imageDigestPackageFixed in
quay.io/mongodb/mongodb-enterprise-operator:1.8.2a1c3843b03bc
stdlib@go1.13.15
1.25.10

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8,999
connectkfirfer1.15.02 of 2See more

connect kfirfer 1.15.0

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

Container imageDigestPackageFixed in
1password/connect-api:1.7.26aa94cf713f9
stdlib@go1.20.6
1.25.10
1password/connect-sync:1.7.2fe527ed9d81f
stdlib@go1.20.6
1.25.10

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2,777
dex-k8s-authenticatorkfirfer0.0.31 of 1See more

dex-k8s-authenticator kfirfer 0.0.3

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

Container imageDigestPackageFixed in
mintel/dex-k8s-authenticator:1.4.0caf71cee7b9a
stdlib@go1.13.11
1.25.10

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2,788
home-assistantkfirfer0.5.41 of 1See more

home-assistant kfirfer 0.5.4

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

Container imageDigestPackageFixed in
homeassistant/home-assistant:2023.10.3021e2afc6e57
stdlib@go1.17.1
1.25.10

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6,792
keelkfirfer1.0.51 of 1See more

keel kfirfer 1.0.5

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

Container imageDigestPackageFixed in
keelhq/keel:0.19.202ac4ea616c4
stdlib@go1.20.5
1.25.10

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2,081
kubernetes-replicatorkfirfer2.9.11 of 1See more

kubernetes-replicator kfirfer 2.9.1

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

Container imageDigestPackageFixed in
quay.io/mittwald/kubernetes-replicator:v2.9.1baf5f784398b
stdlib@go1.20.5
1.25.10

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870
mysqldumpkfirfer2.8.01 of 1See more

mysqldump kfirfer 2.8.0

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

Container imageDigestPackageFixed in
kfirfer/gcloud-mysql:1.0.3c257c1e0e8b9
stdlib@go1.21.5
1.25.10

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3,541
pod-cleanupkfirfer0.0.41 of 1See more

pod-cleanup kfirfer 0.0.4

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

Container imageDigestPackageFixed in
registry.gitlab.com/gitlab-org/ci-cd/gitlab-runner-pod-cleanup:latest4369f3ba1d9a
stdlib@go1.25.0
1.25.10

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759
prometheus-elasticsearch-exporterkfirfer6.5.11 of 1See more

prometheus-elasticsearch-exporter kfirfer 6.5.1

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

Container imageDigestPackageFixed in
quay.io/prometheuscommunity/elasticsearch-exporter:v1.8.0073dd360de2c
stdlib@go1.22.7
1.25.10

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774
scriptskfirfer0.1.361 of 1See more

scripts kfirfer 0.1.36

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

Container imageDigestPackageFixed in
kfirfer/scripts:0.0.2481e5c4e5d70e
stdlib@go1.17.10
1.25.10

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2,358
kiaekiae0.1.66 of 9See more

kiae kiae 0.1.6

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

Container imageDigestPackageFixed in
grafana/loki:2.6.11ee60f980950
stdlib@go1.17.9
1.25.10
grafana/promtail:2.6.1072527b12cdf
stdlib@go1.17.9
1.25.10
istio/pilot:1.15.2db08d6963975
stdlib@go1.19.2
1.25.10
otel/opentelemetry-collector-contrib:0.63.1dfb3a55ea8c9
stdlib@go1.19.2
1.25.10
ghcr.io/dexidp/dex:v2.35.313964b29d63e
stdlib@go1.19.2
1.25.10
ghcr.io/kiaedev/kiae:latestebd03028ff6a
stdlib@go1.18.9
1.25.10

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19,481
kimai-helmchartkimai2tet0.1.01 of 2See more

kimai-helmchart kimai2tet 0.1.0

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

Container imageDigestPackageFixed in
library/mysql:5.74bc6bc963e6d
stdlib@go1.18.2
1.25.10

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1,528
local-path-provisionerkir4hVerified publisher0.0.351 of 1See more

local-path-provisioner kir4h 0.0.35

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

Container imageDigestPackageFixed in
rancher/local-path-provisioner:v0.0.3534ff0847cc47
stdlib@go1.26.1
1.25.10

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787
process-exporterkir4hVerified publisher1.0.11 of 1See more

process-exporter kir4h 1.0.1

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

Container imageDigestPackageFixed in
ncabatoff/process-exporterdigest-pinned6f0549dc24e9
stdlib@go1.23.1
1.25.10

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737
typebotiokitsune-itopsVerified publisher0.1.41 of 4See more

typebotio kitsune-itops 0.1.4

1 of the 4 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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392
cdashkitwareVerified publisher0.20.01 of 3See more

cdash kitware 0.20.0

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

Container imageDigestPackageFixed in
bitnamilegacy/minio:2024.12.18-debian-12-r0cce234b4381a
stdlib@go1.22.10
1.25.10

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12,503
kloudlite-platformkloudlite1.1.51 of 3See more

kloudlite-platform kloudlite 1.1.5

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

Container imageDigestPackageFixed in
natsio/nats-box:0.14.1a67913df95f1
stdlib@go1.21.3
1.25.10

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1,985
klustre-csi-pluginklustre-csi-plugin0.1.11 of 2See more

klustre-csi-plugin klustre-csi-plugin 0.1.1

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.10.1f25af73ee708
stdlib@go1.21.5
1.25.10

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1,528
knative-servingknative-servingVerified publisher1.18.37 of 7See more

knative-serving knative-serving 1.18.3

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

Container imageDigestPackageFixed in
gcr.io/knative-releases/knative.dev/net-istio/cmd/controllerdigest-pinned0d5f740b4224
stdlib@go1.24.6
1.25.10
gcr.io/knative-releases/knative.dev/net-istio/cmd/webhookdigest-pinned697668be7893
stdlib@go1.24.6
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/activatordigest-pinned031408ec516f
stdlib@go1.24.3
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/autoscalerdigest-pinned3502bb5aa60f
stdlib@go1.24.3
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler-hpadigest-pinned7405faeb7636
stdlib@go1.24.3
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/controllerdigest-pinned5b93308a392c
stdlib@go1.24.3
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/webhookdigest-pinned50831d9aaa69
stdlib@go1.24.3
1.25.10

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3,851
kollektorkollektorVerified publisher1.0.51 of 1See more

kollektor kollektor 1.0.5

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

Container imageDigestPackageFixed in
pannoi/kollektor:1.0.59559617788fc
stdlib@go1.20.14
1.25.10

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723
ingress-nginxkomailo-helm-charts1.0.02 of 2See more

ingress-nginx komailo-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.11.3d56f135b6462
stdlib@go1.22.8
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.4a9f03b34a3cb
stdlib@go1.22.8
1.25.10

Open the chart page →

1,582
metallbkomailo-helm-charts1.2.43 of 4See more

metallb komailo-helm-charts 1.2.4

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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2,265
komiserkomiser-eks3.1.101 of 1See more

komiser komiser-eks 3.1.10

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

Container imageDigestPackageFixed in
tailwarden/komiser:3.1.103f68c8ae7993
stdlib@go1.22.0
1.25.10

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1,275
komoplanekomodorVerified publisher0.1.81 of 1See more

komoplane komodor 0.1.8

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

Container imageDigestPackageFixed in
komodorio/komoplane:0.2.19678d02c3f2e
stdlib@go1.26.2
1.25.10

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976
simple-oauth2-proxykostiantyn-matsebora-helm-chartsVerified publisher0.3.71 of 1See more

simple-oauth2-proxy kostiantyn-matsebora-helm-charts 0.3.7

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

Container imageDigestPackageFixed in
quay.io/oauth2-proxy/oauth2-proxy:v7.7.09ed7eaf72050
stdlib@go1.22.8
1.25.10

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930
kovi-tile38kovi-charts0.1.11 of 1See more

kovi-tile38 kovi-charts 0.1.1

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

Container imageDigestPackageFixed in
tile38/tile38:1.33.4afb7e82f9485
stdlib@go1.23.2
1.25.10

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1,210
kpingkpingOfficialVerified publisher0.3.51 of 1See more

kping kping 0.3.5

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

Container imageDigestPackageFixed in
kayrosuno/kping:latestf3bd44b29b0d
stdlib@go1.26.1
1.25.10

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2,408
cadvisorkrakazyabraVerified publisher1.0.11 of 1See more

cadvisor krakazyabra 1.0.1

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

Container imageDigestPackageFixed in
gcr.io/cadvisor/cadvisor:v0.40.0135327c978de
stdlib@go1.13.15
1.25.10

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3,195
krakenkraken0.2.01 of 7See more

kraken kraken 0.2.0

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

Container imageDigestPackageFixed in
library/redis:5.0fc5ecd863862
stdlib@go1.16.7
1.25.10

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1,737
aggregation-layer-examplekrateo0.1.11 of 1See more

aggregation-layer-example krateo 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/krateoplatformops/aggregation-layer-example:0.1.06a0ed8196346
stdlib@go1.19.5
1.25.10

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1,511
appkrateo1.2.861 of 1See more

app krateo 1.2.86

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

Container imageDigestPackageFixed in
ghcr.io/krateoplatformops/app:1.2.86aaa3fe7d5c74
stdlib@go1.22.9
1.25.10

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3,466
authnkrateo0.23.01 of 1See more

authn krateo 0.23.0

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

Container imageDigestPackageFixed in
ghcr.io/krateoplatformops/authn:0.23.0791c8f9d885a
stdlib@go1.24.2
1.25.10

Open the chart page →

674

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.