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
4,209
of 17,966 indexed, latest versions
Container images
4,735
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 4,209 of 17,966 indexed charts deploy, on 4,735 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 more1.25.104,735
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,209 by stars
ChartLatestAffected imagesRadar Score
config-connector-templaterslamdev0.0.51 of 1See more

config-connector-templater slamdev 0.0.5

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

Container imageDigestPackageFixed in
slamdev/config-connector-templater:0.0.3a234541c9fa8
stdlib@go1.16.5
1.25.10

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2,107
flux-notifierslamdev0.0.71 of 1See more

flux-notifier slamdev 0.0.7

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

Container imageDigestPackageFixed in
slamdev/flux-notifier:v0.0.8b173d809132d
stdlib@go1.13.11
1.25.10

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2,020
gitlab-runnerslamdev0.0.11 of 1See more

gitlab-runner slamdev 0.0.1

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

Container imageDigestPackageFixed in
gitlab/gitlab-runner:v15.3.0860d4a3fec7a
stdlib@go1.17.9
1.25.10

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9,433
gke-preemptible-notifierslamdev0.0.61 of 1See more

gke-preemptible-notifier slamdev 0.0.6

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

Container imageDigestPackageFixed in
slamdev/gke-preemptible-notifier:v0.0.3d5d6430108a3
stdlib@go1.13.11
1.25.10

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2,859
octavia-ingress-controllerslamdev0.0.71 of 1See more

octavia-ingress-controller slamdev 0.0.7

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

Container imageDigestPackageFixed in
k8scloudprovider/octavia-ingress-controller:v1.20.26ddf80b34265
stdlib@go1.15
1.25.10

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2,760
weblateslamdev0.0.111 of 2See more

weblate slamdev 0.0.11

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

Container imageDigestPackageFixed in
weblate/weblate:3.11.3-182848df56ecd
stdlib@go1.13.5
1.25.10

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9,210
slothsloth0.16.02 of 2See more

sloth sloth 0.16.0

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

Container imageDigestPackageFixed in
ghcr.io/slok/sloth:v0.16.0f0f0075b0d45
stdlib@go1.26.1
1.25.10
registry.k8s.io/git-sync/git-sync:v4.5.00e64aedb0d0a
stdlib@go1.25.1
1.25.10

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4,236
oi-slurm-cluster-chartslurm-cluster-chart0.25.11 of 4See more

oi-slurm-cluster-chart slurm-cluster-chart 0.25.1

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

Container imageDigestPackageFixed in
library/mariadb:10.10334b315c10e5
stdlib@go1.18.2
1.25.10

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4,612
slurm-cluster-chartslurm-cluster-chart0.25.01 of 4See more

slurm-cluster-chart slurm-cluster-chart 0.25.0

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

Container imageDigestPackageFixed in
library/mariadb:10.10334b315c10e5
stdlib@go1.18.2
1.25.10

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4,612
deconzsmall-hack0.1.01 of 1See more

deconz small-hack 0.1.0

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

Container imageDigestPackageFixed in
deconzcommunity/deconz:2.26.123c86008d73f
stdlib@go1.19.8
1.25.10

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13,807
home-assistantsmall-hack2.1.01 of 1See more

home-assistant small-hack 2.1.0

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

Container imageDigestPackageFixed in
ghcr.io/home-assistant/home-assistant:2026.3.10e091dfce306
stdlib@go1.23.3
1.25.10

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4,396
smarter-k3s-edgesmarterVerified publisher0.0.121 of 2See more

smarter-k3s-edge smarter 0.0.12

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

Container imageDigestPackageFixed in
rancher/k3s:v1.25.3-k3s1eaa270df79cc
stdlib@go1.19.2
1.25.10

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3,472
smarter-device-managersmarter-device-manager0.0.101 of 1See more

smarter-device-manager smarter-device-manager 0.0.10

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

Container imageDigestPackageFixed in
ghcr.io/smarter-project/smarter-device-manager:v1.20.12228f7f44594a
stdlib@go1.19.3
1.25.10

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1,161
mealiesmarthallVerified publisher0.0.101 of 1See more

mealie smarthall 0.0.10

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

Container imageDigestPackageFixed in
ghcr.io/mealie-recipes/mealie:v1.4.0b56da41cf178
stdlib@go1.19.8
1.25.10

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5,888
smart-proxysmart-proxyVerified publisher0.1.11 of 1See more

smart-proxy smart-proxy 0.1.1

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

Container imageDigestPackageFixed in
isebben/smart-proxy:latestab59a71ee9f4
stdlib@go1.24.13
1.25.10

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284
smtp-gotifysmtp-gotifyVerified publisher0.1.41 of 1See more

smtp-gotify smtp-gotify 0.1.4

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

Container imageDigestPackageFixed in
quay.io/reiml/smtp-gotify:latest80ffa9d2044a
stdlib@go1.23.9
1.25.10

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582
snaprsnapr0.1.01 of 2See more

snapr snapr 0.1.0

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

Container imageDigestPackageFixed in
snapr/app:v0.1.0e9eb8287bfe1
stdlib@go1.23.12
1.25.10

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2,032
sneakerssneakers1.0.01 of 4See more

sneakers sneakers 1.0.0

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

Container imageDigestPackageFixed in
helga09/my_sql_shoes:v1.1.1a03657d97897
stdlib@go1.18.2
1.25.10

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8,396
echobotsngular0.3.51 of 1See more

echobot sngular 0.3.5

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

Container imageDigestPackageFixed in
ghcr.io/sngular/gitops-echobot:v0.2.23cde2e04b739
stdlib@go1.16.5
1.25.10

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2,467
webhooksngular0.1.11 of 1See more

webhook sngular 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/sngular/gitops-webhook:v0.2.1caa1c77a5750
stdlib@go1.16.2
1.25.10

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2,486
avalanchesnowplow-devopsVerified publisher0.12.11 of 6See more

avalanche snowplow-devops 0.12.1

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

Container imageDigestPackageFixed in
library/nats:2.10-alpineb83efabe3e7d
stdlib@go1.24.2
1.25.10

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1,367
vertical-pod-autoscalersnowplow-devopsVerified publisher0.1.13 of 3See more

vertical-pod-autoscaler snowplow-devops 0.1.1

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

Container imageDigestPackageFixed in
registry.k8s.io/autoscaling/vpa-admission-controller:1.4.171d817780aa9
stdlib@go1.24.3
1.25.10
registry.k8s.io/autoscaling/vpa-recommender:1.4.140b6d76e8526
stdlib@go1.24.3
1.25.10
registry.k8s.io/autoscaling/vpa-updater:1.4.18ebf269779c1
stdlib@go1.24.3
1.25.10

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1,269
snspingsnsping1.2.91 of 1See more

snsping snsping 1.2.9

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

Container imageDigestPackageFixed in
udhos/snsping:1.2.96ae70677b6a3
stdlib@go1.23.4
1.25.10

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1,363
axonhubsnubisks0.1.01 of 3See more

axonhub snubisks 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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519
tracing-stacksnubisks0.1.04 of 8See more

tracing-stack snubisks 0.1.0

4 of the 8 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/grafana:13.0.10f86bada30d6
stdlib@go1.26.0
1.25.10
grafana/loki:3.6.5847c287ada0e
stdlib@go1.24.13
1.25.10
grafana/tempo:2.9.065a578975943
stdlib@go1.25.1
1.25.10
otel/opentelemetry-collector-contrib:0.145.0a7343f018690
stdlib@go1.25.7
1.25.10

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5,819
cost-analyzersoftonic2.5.53 of 6See more

cost-analyzer softonic 2.5.5

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

Container imageDigestPackageFixed in
grafana/grafana:11.5.28b37a2f028f1
stdlib@go1.23.5
1.25.10
gcr.io/kubecost1/cost-model:prod-2.5.502b90651367f
stdlib@go1.23.3
1.25.10
quay.io/prometheus/prometheus:v3.2.16927e0919a14
stdlib@go1.23.6
1.25.10

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8,290
csi-gcs-softonic-factorysoftonic0.9.31 of 4See more

csi-gcs-softonic-factory softonic 0.9.3

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

Container imageDigestPackageFixed in
ofekmeister/csi-gcs:v0.9.030d70fa9211b
stdlib@go1.18.2
1.25.10

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1,861
harborsoftonic1.13.05 of 8See more

harbor softonic 1.13.0

5 of the 8 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
goharbor/harbor-core:v2.9.06412d679fdc3
stdlib@go1.20.7
1.25.10
goharbor/harbor-jobservice:v2.9.039435daedd0c
stdlib@go1.20.7
1.25.10
goharbor/harbor-registryctl:v2.9.0cce272836449
stdlib@go1.20.7
1.25.10
goharbor/registry-photon:v2.9.08a26e8cb7862
stdlib@go1.20.7
1.25.10
goharbor/trivy-adapter-photon:v2.9.0dc5b882a7db4
stdlib@go1.20.7
1.25.10

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7,747
hello-world-appsoftonic1.2.21 of 1See more

hello-world-app softonic 1.2.2

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

Container imageDigestPackageFixed in
quay.io/giantswarm/helloworld:0.2.07a07ee730305
stdlib@go1.16.7
1.25.10

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1,961
homing-pigeonsoftonic0.12.01 of 1See more

homing-pigeon softonic 0.12.0

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

Container imageDigestPackageFixed in
softonic/homing-pigeon:0.9.6f26d467b7b82
stdlib@go1.23.10
1.25.10

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480
ingress-nginxsoftonic4.15.12 of 2See more

ingress-nginx softonic 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

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1,584
kedasoftonic2.17.03 of 3See more

keda softonic 2.17.0

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

Container imageDigestPackageFixed in
ghcr.io/kedacore/keda:2.17.0112fc427d933
stdlib@go1.23.8
1.25.10
ghcr.io/kedacore/keda-admission-webhooks:2.17.0a87c42275757
stdlib@go1.23.8
1.25.10
ghcr.io/kedacore/keda-metrics-apiserver:2.17.0167fd532bd43
stdlib@go1.23.8
1.25.10

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2,873
kube-prometheus-stacksoftonic81.5.15 of 6See more

kube-prometheus-stack softonic 81.5.1

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

Container imageDigestPackageFixed in
grafana/grafana:12.3.2ba93c9d192e5
stdlib@go1.25.6
1.25.10
ghcr.io/jkroepke/kube-webhook-certgen:1.7.47a62bba56a7c
stdlib@go1.25.5
1.25.10
quay.io/prometheus-operator/prometheus-operator:v0.88.1d3d65efa3bee
stdlib@go1.25.6
1.25.10
quay.io/prometheus/node-exporter:v1.10.2337ff1d356b6
stdlib@go1.25.3
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.18.01545919b72e3
stdlib@go1.25.5
1.25.10

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5,129
kyvernosoftonic3.5.21 of 7See more

kyverno softonic 3.5.2

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

Container imageDigestPackageFixed in
registry.k8s.io/kubectl:v1.32.73c5268158974
stdlib@go1.23.10
1.25.10

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1,031
pod-defaultersoftonic0.1.31 of 1See more

pod-defaulter softonic 0.1.3

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

Container imageDigestPackageFixed in
softonic/pod-defaulter:0.1.072017aed5902
stdlib@go1.14.9
1.25.10

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2,559
policy-reportersoftonic2.18.21 of 1See more

policy-reporter softonic 2.18.2

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

Container imageDigestPackageFixed in
ghcr.io/kyverno/policy-reporter:2.14.1e74c6bf33d1b
stdlib@go1.19.7
1.25.10

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1,054
preemptible-killersoftonic1.2.61 of 1See more

preemptible-killer softonic 1.2.6

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

Container imageDigestPackageFixed in
softonic/preemptible-killer:1.2.6-294b87f1fb362
stdlib@go1.14.10
1.25.10

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2,345
rate-limit-operatorsoftonic1.1.01 of 2See more

rate-limit-operator softonic 1.1.0

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

Container imageDigestPackageFixed in
softonic/rate-limit-operator:0.1.1910f6de37763
stdlib@go1.13.15
1.25.10

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2,216
rclonesoftonic2.1.01 of 1See more

rclone softonic 2.1.0

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

Container imageDigestPackageFixed in
rclone/rclone:1.6874c51b8817e5
stdlib@go1.23.3
1.25.10

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1,683
redissoftonic0.3.01 of 2See more

redis softonic 0.3.0

1 of the 2 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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1,736
redis-operatorsoftonic0.18.01 of 1See more

redis-operator softonic 0.18.0

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

Container imageDigestPackageFixed in
ghcr.io/ot-container-kit/redis-operator/redis-operator:v0.18.090bfeb2e0d71
stdlib@go1.21.12
1.25.10

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558
sealed-secretssoftonic2.6.91 of 1See more

sealed-secrets softonic 2.6.9

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

Container imageDigestPackageFixed in
bitnami/sealed-secrets-controller:v0.18.50516f987fae2
stdlib@go1.18.6
1.25.10

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1,512
trivy-operatorsoftonic0.18.01 of 1See more

trivy-operator softonic 0.18.0

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

Container imageDigestPackageFixed in
ghcr.io/aquasecurity/trivy-operator:0.16.0a608b798fda5
stdlib@go1.20.4
1.25.10

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2,524
webhook-receiversoftonic2.1.11 of 1See more

webhook-receiver softonic 2.1.1

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

Container imageDigestPackageFixed in
almir/webhook:2.8.01698346f6077
stdlib@go1.14.7
1.25.10

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1,932
bootzookasoftwaremillVerified publisher0.2.11 of 2See more

bootzooka softwaremill 0.2.1

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

Container imageDigestPackageFixed in
softwaremill/bootzooka:latest845b5e8f8056
stdlib@go1.26.2
1.25.10

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3,411
gloo-meshsolo-gloo-mesh1.1.21 of 1See more

gloo-mesh solo-gloo-mesh 1.1.2

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

Container imageDigestPackageFixed in
gcr.io/gloo-mesh/gloo-mesh:1.1.2a4011eae6a0b
stdlib@go1.16.3
1.25.10

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3,272
buildkitsomaz94Verified publisher0.1.41 of 1See more

buildkit somaz94 0.1.4

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

Container imageDigestPackageFixed in
moby/buildkit:v0.33.06c2fa84a6b61
stdlib@go1.25.7
1.25.10

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746
redis-high-availabilitysomeblackmagic1.3.102 of 3See more

redis-high-availability someblackmagic 1.3.10

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

Container imageDigestPackageFixed in
bitnamilegacy/redis:7.0.8-debian-11-r0bf01d031ba8c
stdlib@go1.18.2
1.25.10
haproxytech/haproxy-alpine:2.9.57f3dc8c7e031
stdlib@go1.22.0
1.25.10

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3,165
testing-multitoolsomeblackmagic0.1.21 of 1See more

testing-multitool someblackmagic 0.1.2

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

Container imageDigestPackageFixed in
someblackmagic/k8s-testing-multitool:v0.1.06eca64b6b440
stdlib@go1.18.2
1.25.10

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105,995
mychartsonu-wordpress-mysql1.0.01 of 2See more

mychart sonu-wordpress-mysql 1.0.0

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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3,372

Container images carrying it

4,735 by charts deploying them

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

No deployed image carries CVE-2026-39820.

syft 1.42.1 · advisories as of 30 Sept 2026

Corrections: contact@stackradar.io

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