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
identity-manager-demoinvisiblVerified publisher0.1.11 of 1See more

identity-manager-demo invisibl 0.1.1

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

Container imageDigestPackageFixed in
invisibl/identity-manager-demo:v1.0.0cf5400cb935a
stdlib@go1.19.2
1.25.10

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1,010
karpenteriometeVerified publisher0.19.31 of 1See more

karpenter iomete 0.19.3

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

Container imageDigestPackageFixed in
public.ecr.aws/karpenter/controller:v0.19.3f0e5ab60b2df
stdlib@go1.19.3
1.25.10

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1,556
server-monitoringiserversupport-helm--charts1.0.02 of 2See more

server-monitoring iserversupport-helm--charts 1.0.0

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

Container imageDigestPackageFixed in
prom/node-exporter:v1.10.23ac34ce007ac
stdlib@go1.25.3
1.25.10
prom/prometheus:v3.8.0d936808bdea5
stdlib@go1.25.4
1.25.10

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1,313
server-metricsiserversupport-helm-charts1.0.01 of 1See more

server-metrics iserversupport-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
quay.io/prometheus/node-exporter:v1.9.1d00a542e409e
stdlib@go1.23.7
1.25.10

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692
istio-aws-private-ingress-customizedistio-aws-private-ingress-customized1.0.01 of 1See more

istio-aws-private-ingress-customized istio-aws-private-ingress-customized 1.0.0

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

Container imageDigestPackageFixed in
istio/proxyv2:1.18.0757d28c24100
stdlib@go1.20.4
1.25.10

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5,773
istio-azure-private-ingress-customizedistio-azure-private-ingress-customized1.0.01 of 1See more

istio-azure-private-ingress-customized istio-azure-private-ingress-customized 1.0.0

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

Container imageDigestPackageFixed in
istio/proxyv2:1.18.0757d28c24100
stdlib@go1.20.4
1.25.10

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5,773
istio-ratelimit-operatoristio-ratelimit-operator2.16.11 of 1See more

istio-ratelimit-operator istio-ratelimit-operator 2.16.1

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

Container imageDigestPackageFixed in
zufardhiyaulhaq/istio-ratelimit-operator:v2.15.0692cfc9d6614
stdlib@go1.19.13
1.25.10

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751
appswitcher-serverit-at-mOfficialVerified publisher2.0.21 of 1See more

appswitcher-server it-at-m 2.0.2

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

Container imageDigestPackageFixed in
ghcr.io/it-at-m/appswitcher-server:1.3.010006bc0f309
stdlib@go1.24.3
1.25.10

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4,127
daveit-at-mOfficialVerified publisher0.2.181 of 9See more

dave it-at-m 0.2.18

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

Container imageDigestPackageFixed in
bitnamilegacy/elasticsearch:9.1.2-debian-12-r000176a47afa0
stdlib@go1.24.6
1.25.10

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14,185
traefikitscontainedVerified publisher9.18.41 of 1See more

traefik itscontained 9.18.4

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

Container imageDigestPackageFixed in
library/traefik:2.4.8eda951fd29a8
stdlib@go1.16.2
1.25.10

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3,353
hetzner-dyndnsitsmethemojoVerified publisher1.4.01 of 1See more

hetzner-dyndns itsmethemojo 1.4.0

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

Container imageDigestPackageFixed in
hashicorp/terraform:1.9.7b77efab1a448
stdlib@go1.22.7
1.25.10

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1,882
thehiveittrident-oss0.1.02 of 6See more

thehive ittrident-oss 0.1.0

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

Container imageDigestPackageFixed in
library/cassandra:4.03a4876cc7f18
stdlib@go1.24.6
1.25.10
minio/minio:latest14cea493d9a3
stdlib@go1.24.6
1.25.10

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6,280
adguard-homejacobcolvinVerified publisher0.4.01 of 2See more

adguard-home jacobcolvin 0.4.0

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

Container imageDigestPackageFixed in
adguard/adguardhome:v0.107.3843ec119419a9
stdlib@go1.20.8
1.25.10

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1,602
inlets-clientjacobcolvinVerified publisher0.1.21 of 1See more

inlets-client jacobcolvin 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/cubed-it/inlets:4.0.0f02325f099bc
stdlib@go1.13.15
1.25.10

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1,759
inlets-serverjacobcolvinVerified publisher0.1.11 of 1See more

inlets-server jacobcolvin 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/cubed-it/inlets:4.0.0f02325f099bc
stdlib@go1.13.15
1.25.10

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1,759
opencloudjacobcolvinVerified publisher0.2.32 of 13See more

opencloud jacobcolvin 0.2.3

2 of the 13 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
library/postgres:alpine77f585114c32
stdlib@go1.24.6
1.25.10
opencloudeu/opencloud-rolling:2.1.0f9634bb04905
stdlib@go1.24.2
1.25.10

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47,132
osrs-ge-exporterjacobcolvinVerified publisher0.4.01 of 1See more

osrs-ge-exporter jacobcolvin 0.4.0

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

Container imageDigestPackageFixed in
macropower/osrs_ge_exporter:v0.3c77ab5ea955c
stdlib@go1.21.0
1.25.10

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611
rclonejacobcolvinVerified publisher1.0.11 of 1See more

rclone jacobcolvin 1.0.1

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

Container imageDigestPackageFixed in
rclone/rclone:1.63.008e1af3c8814
stdlib@go1.20.5
1.25.10

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2,123
twitch-predictions-recorderjacobcolvinVerified publisher0.1.01 of 1See more

twitch-predictions-recorder jacobcolvin 0.1.0

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

Container imageDigestPackageFixed in
macropower/twitch_predictions_recorder:v0.21e9c4fb89787
stdlib@go1.19.2
1.25.10

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3,162
wakatime-exporterjacobcolvinVerified publisher0.1.11 of 1See more

wakatime-exporter jacobcolvin 0.1.1

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

Container imageDigestPackageFixed in
macropower/wakatime-exporter:0.1.0dbb05debb785
stdlib@go1.14.6
1.25.10

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1,317
wireguard-operatorjacobcolvinVerified publisher0.2.01 of 2See more

wireguard-operator jacobcolvin 0.2.0

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

Container imageDigestPackageFixed in
ghcr.io/jodevsa/wireguard-operator/manager:v2.0.2839412bdd403b
stdlib@go1.22.2
1.25.10

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836
koptimizejaconiVerified publisher0.5.42 of 2See more

koptimize jaconi 0.5.4

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

Container imageDigestPackageFixed in
alpine/k8s:1.27.321b24e6bf801
stdlib@go1.20.4
1.25.10
ghcr.io/jaconi-io/koptimize:1.2.5aca1bbd609b6
stdlib@go1.20.7
1.25.10

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5,789
mini-infrajaeki0.1.01 of 4See more

mini-infra jaeki 0.1.0

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

Container imageDigestPackageFixed in
quay.io/metallb/controller:v0.13.101b33357b3595
stdlib@go1.19.5
1.25.10

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1,755
todo-operatorjakuboskera0.1.11 of 1See more

todo-operator jakuboskera 0.1.1

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

Container imageDigestPackageFixed in
jakuboskera/todo-operator:v0.1.0a305b8ce5bff
stdlib@go1.25.3
1.25.10

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308
deconzjanip81-helm-chartsVerified publisher0.1.11 of 1See more

deconz janip81-helm-charts 0.1.1

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

Container imageDigestPackageFixed in
deconzcommunity/deconz:2.29.2062de2362641
stdlib@go1.19.8
1.25.10

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11,626
ghostjanip81-helm-chartsVerified publisher0.1.21 of 1See more

ghost janip81-helm-charts 0.1.2

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

Container imageDigestPackageFixed in
library/ghost:6.37.01ef2e532ca4d
stdlib@go1.23.12
1.25.10

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4,025
n8njanip81-helm-chartsVerified publisher0.1.41 of 1See more

n8n janip81-helm-charts 0.1.4

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

Container imageDigestPackageFixed in
n8nio/n8n:1.86.08b39ed5a2de9
stdlib@go1.24.0
1.25.10

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6,583
unifi-network-applicationjanip81-helm-chartsVerified publisher0.2.91 of 3See more

unifi-network-application janip81-helm-charts 0.2.9

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

Container imageDigestPackageFixed in
library/mongo:7.09854f7139445
stdlib@go1.24.6
1.25.10

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2,160
janus-shieldjanus-shield1.0.01 of 2See more

janus-shield janus-shield 1.0.0

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

Container imageDigestPackageFixed in
quay.io/cilium/tetragon:v1.1.096fac2482898
stdlib@go1.22.2
1.25.10

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2,694
javascriptweeklyjavascriptweekly2.1.01 of 1See more

javascriptweekly javascriptweekly 2.1.0

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

Container imageDigestPackageFixed in
zufardhiyaulhaq/javascriptweekly:v2.1.086424bd0b2a4
stdlib@go1.17.13
1.25.10

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1,244
sql-exporterjdstoneVerified publisher0.2.11 of 1See more

sql-exporter jdstone 0.2.1

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

Container imageDigestPackageFixed in
burningalchemist/sql_exporter:0.16.0b8e4757c7def
stdlib@go1.23.2
1.25.10

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889
newtjeffrescVerified publisher0.2.11 of 1See more

newt jeffresc 0.2.1

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

Container imageDigestPackageFixed in
fosrl/newt:1.10.4ccd2b0e9a049
stdlib@go1.25.8
1.25.10

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1,122
jenkinsjenkins-automation-tool0.1.01 of 1See more

jenkins jenkins-automation-tool 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

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2,846
jenkinsjenkins-automation-tool-by-helm0.1.01 of 1See more

jenkins jenkins-automation-tool-by-helm 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

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2,846
jenkinsjenkins-chartVerified publisher0.1.01 of 1See more

jenkins jenkins-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

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2,846
athens-proxyjenkins-x0.2.21 of 2See more

athens-proxy jenkins-x 0.2.2

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

Container imageDigestPackageFixed in
jaegertracing/all-in-one:latestab6f1a1f0fb4
stdlib@go1.25.4
1.25.10

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1,389
jx-app-athensjenkins-x0.0.181 of 1See more

jx-app-athens jenkins-x 0.0.18

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

Container imageDigestPackageFixed in
gomods/athens:v0.8.1d714c7ff0231
stdlib@go1.13.4
1.25.10

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4,241
jx-app-datadogjenkins-x0.0.101 of 2See more

jx-app-datadog jenkins-x 0.0.10

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

Container imageDigestPackageFixed in
datadog/agent:6aad9994de6a7
stdlib@go1.21.11
1.25.10

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4,385
jx-app-flaggerjenkins-x0.0.52 of 2See more

jx-app-flagger jenkins-x 0.0.5

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

Container imageDigestPackageFixed in
grafana/grafana:6.5.1befcd84da2c1
stdlib@go1.13.1
1.25.10
weaveworks/flagger:1.0.0-rc.5174307de1b36
stdlib@go1.14.2
1.25.10

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6,034
jx-app-jenkinsjenkins-x0.0.151 of 2See more

jx-app-jenkins jenkins-x 0.0.15

1 of the 2 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
knative-servingjenkins-x0.19.124 of 4See more

knative-serving jenkins-x 0.19.12

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

Container imageDigestPackageFixed in
gcr.io/knative-releases/knative.dev/serving/cmd/activatordigest-pinned1e3db4f2eeed
stdlib@go1.14.10
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/autoscalerdigest-pinneddb6ceff2aab4
stdlib@go1.14.10
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/controllerdigest-pinnedb2cd45b8a8a4
stdlib@go1.14.10
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/webhookdigest-pinnedd27b4495ccc3
stdlib@go1.14.10
1.25.10

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9,715
jetspotterjetspotter1.49.01 of 1See more

jetspotter jetspotter 1.49.0

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

Container imageDigestPackageFixed in
ghcr.io/vvanouytsel/jetspotter:1.49.0d6f9149a36db
stdlib@go1.23.12
1.25.10

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634
ingress-nginxjfrog4.5.22 of 2See more

ingress-nginx jfrog 4.5.2

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.6.415be4666c530
stdlib@go1.19.4
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20220916-gd32f8c34339c5b2e3310d
stdlib@go1.19.1
1.25.10

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3,814
vaultjfrog0.25.02 of 2See more

vault jfrog 0.25.0

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

Container imageDigestPackageFixed in
hashicorp/vault:1.14.0b2177a8bfe85
stdlib@go1.20.5
1.25.10
hashicorp/vault-k8s:1.2.14500e988b7ce
stdlib@go1.20.3
1.25.10

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3,999
alpine-torjfwenischVerified publisher1.1.01 of 1See more

alpine-tor jfwenisch 1.1.0

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

Container imageDigestPackageFixed in
jfwenisch/alpine-tor:latest9e6c229f953c
stdlib@go1.14.6
1.25.10

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4,461
kafka-offset-lag-for-prometheusjhidalgo3-githubVerified publisher2.3.01 of 1See more

kafka-offset-lag-for-prometheus jhidalgo3-github 2.3.0

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

Container imageDigestPackageFixed in
jhidalgo3/kafka-offset-lag-for-prometheus:latest0390e155c46d
stdlib@go1.17.13
1.25.10

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1,467
missing-container-metricsjimdo-missing-container-metrics0.5.01 of 1See more

missing-container-metrics jimdo-missing-container-metrics 0.5.0

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

Container imageDigestPackageFixed in
dmilhdef/missing-container-metrics:v0.21.0fada1a6e7638
stdlib@go1.16.2
1.25.10

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2,427
cloudflare-tunneljmmaloney40.1.31 of 1See more

cloudflare-tunnel jmmaloney4 0.1.3

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

Container imageDigestPackageFixed in
cloudflare/cloudflared:2022.1.361f608cd1123
stdlib@go1.17.1
1.25.10

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2,479
ipfsjmmaloney40.9.231 of 1See more

ipfs jmmaloney4 0.9.23

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

Container imageDigestPackageFixed in
ipfs/go-ipfs:v0.27.0bfce363b878b
stdlib@go1.19.8
1.25.10

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1,382
job-manager-syncerjob-manager-syncer1.27.01 of 1See more

job-manager-syncer job-manager-syncer 1.27.0

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

Container imageDigestPackageFixed in
public.ecr.aws/cloudnatix/llmariner/job-manager-syncer:1.27.086957bbeeff5
stdlib@go1.23.12
1.25.10

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474

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.