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
4,154
of 17,844 indexed, latest versions
Container images
4,718
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 4,154 of 17,844 indexed charts deploy, on 4,718 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 more1.25.104,718
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,154 by stars
ChartLatestAffected imagesRadar Score
bytesafe-cesimcube1.0.41 of 3See more

bytesafe-ce simcube 1.0.4

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

Container imageDigestPackageFixed in
bytesafe/bytesafe-ce:v1.0.4ee287384c005
stdlib@go1.20.5
1.25.10

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1,510
keydbsinextraVerified publisher0.31.01 of 1See more

keydb sinextra 0.31.0

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

Container imageDigestPackageFixed in
ghcr.io/sergelogvinov/keydb:6.3.376a19ddc3626
stdlib@go1.18.10
1.25.10

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2,173
mongosqldsinextraVerified publisher0.3.71 of 1See more

mongosqld sinextra 0.3.7

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

Container imageDigestPackageFixed in
ghcr.io/sergelogvinov/mongosqld:2.14.230b826375ed42
stdlib@go1.23.8
1.25.10

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2,728
mongosyncsinextraVerified publisher0.4.01 of 1See more

mongosync sinextra 0.4.0

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

Container imageDigestPackageFixed in
ghcr.io/sergelogvinov/mongosync:1.15.0fa99ed475f03
stdlib@go1.24.4
1.25.10

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3,001
pgbouncersinextraVerified publisher0.17.01 of 1See more

pgbouncer sinextra 0.17.0

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

Container imageDigestPackageFixed in
ghcr.io/sergelogvinov/pgbouncer:16.1518f1121ba0a4
stdlib@go1.24.6
1.25.10

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2,109
system-upgrade-controllersinextraVerified publisher0.6.11 of 1See more

system-upgrade-controller sinextra 0.6.1

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

Container imageDigestPackageFixed in
rancher/system-upgrade-controller:v0.19.234fa058fe453
stdlib@go1.25.8
1.25.10

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256
tailscalesinextraVerified publisher0.18.11 of 2See more

tailscale sinextra 0.18.1

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

Container imageDigestPackageFixed in
registry.k8s.io/coredns/coredns:v1.13.294caebb89dcf
stdlib@go1.25.5
1.25.10

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1,109
talos-backupsinextraVerified publisher0.1.21 of 1See more

talos-backup sinextra 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/siderolabs/talos-backup:v0.1.0-beta.203a71e140f1d
stdlib@go1.23.0
1.25.10

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909
teamcitysinextraVerified publisher1.0.21 of 3See more

teamcity sinextra 1.0.2

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

Container imageDigestPackageFixed in
library/docker:26.1-dinddd43b430341a
stdlib@go1.21.11
1.25.10

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2,471
mariadbsitepilot1.0.31 of 1See more

mariadb sitepilot 1.0.3

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

Container imageDigestPackageFixed in
library/mariadb:10.640153feb479c
stdlib@go1.24.6
1.25.10

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2,897
network-observerskupper-network-observerVerified publisher2.2.21 of 3See more

network-observer skupper-network-observer 2.2.2

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

Container imageDigestPackageFixed in
quay.io/prometheus/prometheus:v3.11.3c0b857aead0d
stdlib@go1.26.2
1.25.10

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610
skyhook-agentskyhookVerified publisher1.3.151 of 1See more

skyhook-agent skyhook 1.3.15

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

Container imageDigestPackageFixed in
ghcr.io/skyhook-io/skyhook-connector:v2.3.23deb8e4b1aaa
stdlib@go1.26.0
1.25.10

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302
mimirskyloud-helm-chartsVerified publisher5.5.14 of 5See more

mimir skyloud-helm-charts 5.5.1

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

Container imageDigestPackageFixed in
grafana/mimir:r292-5f018727476e456c738
stdlib@go1.22.3
1.25.10
grafana/rollout-operator:v0.14.03409edfb45c7
stdlib@go1.22.1
1.25.10
quay.io/minio/mc:RELEASE.2023-09-29T16-41-22Za784ce6e3b1b
stdlib@go1.21.1
1.25.10
quay.io/minio/minio:RELEASE.2023-09-30T07-02-29Z6262bc9a2730
stdlib@go1.21.1
1.25.10

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10,961
tailscale-operatorskyloud-helm-chartsVerified publisher1.70.31 of 1See more

tailscale-operator skyloud-helm-charts 1.70.3

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

Container imageDigestPackageFixed in
tailscale/k8s-operator:v1.70.08edd06cf5bac
stdlib@go1.22.5
1.25.10

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1,042
skypilot-prometheus-serverskypilotVerified publisher0.11.13 of 3See more

skypilot-prometheus-server skypilot 0.11.1

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

Container imageDigestPackageFixed in
quay.io/prometheus-operator/prometheus-config-reloader:v0.83.078aec597d87a
stdlib@go1.24.3
1.25.10
quay.io/prometheus/prometheus:v3.4.19abc6cf6aea7
stdlib@go1.24.3
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.15.0db384bf43222
stdlib@go1.23.5
1.25.10

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2,344
pritunl-zerosky-sailVerified publisher0.3.31 of 1See more

pritunl-zero sky-sail 0.3.3

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

Container imageDigestPackageFixed in
pritunl/pritunl-zero:1.0.3648.460f2943e0d41b
stdlib@go1.25.4
1.25.10

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660
yopasssky-sailVerified publisher1.3.11 of 2See more

yopass sky-sail 1.3.1

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

Container imageDigestPackageFixed in
jhaals/yopass:12.5.0916a1cf45d36
stdlib@go1.25.5
1.25.10

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3,208
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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2,106
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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2,017
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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9,427
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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2,857
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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2,757
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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9,156
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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4,154
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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4,571
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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4,571
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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13,636
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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4,163
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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3,461
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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1,160
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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5,835
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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583
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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8,246
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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2,465
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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1,351
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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1,263
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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1,372
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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520
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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5,770
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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8,212
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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1,858
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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7,739
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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1,958
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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479
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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1,575
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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2,880
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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5,090
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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1,026
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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2,558

Container images carrying it

4,718 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/csi-snapshotter:v6.1.0291334908ddf
stdlib@go1.18
1.25.10
1
registry.k8s.io/sig-storage/csi-snapshotter:v8.0.25f051159c95f
stdlib@go1.22.5
1.25.10
1
registry.k8s.io/sig-storage/csi-snapshotter:v8.2.15f4bb469fec5
stdlib@go1.23.6
1.25.10
1
registry.k8s.io/sig-storage/csi-snapshotter:v4.2.1818f35653f2e
stdlib@go1.16.2
1.25.10
1
registry.k8s.io/sig-storage/csi-snapshotter:v5.0.189e900a160a9
stdlib@go1.17.3
1.25.10
1
registry.k8s.io/sig-storage/hostpathplugin:v1.9.092257881c1d6
stdlib@go1.18
1.25.10
1
registry.k8s.io/sig-storage/livenessprobe:v2.9.02b10b24dafdc
stdlib@go1.19
1.25.10
1
registry.k8s.io/sig-storage/livenessprobe:v2.11.082adbebdf5d5
stdlib@go1.20.5
1.25.10
1
registry.k8s.io/sig-storage/local-volume-provisioner:v2.8.03e2bf2eaef9f
stdlib@go1.23.4
1.25.10
1
registry.k8s.io/sig-storage/local-volume-provisioner:v2.9.0f9d65db8bda2
stdlib@go1.25.5
1.25.10
1
registry.k8s.io/sig-storage/nfsplugin:v4.11.0ce5b5ccd5eb0
stdlib@go1.23.6
1.25.10
1
registry.k8s.io/sig-storage/nfs-subdir-external-provisioner:v4.0.03ce0fdba4d8e
stdlib@go1.15
1.25.10
1
registry.k8s.io/sig-storage/objectstorage-sidecar:v0.2.2c7166a73a303
stdlib@go1.24.11
1.25.10
1
registry.k8s.io/sig-storage/snapshot-controller:v8.2.1472fa35a89da
stdlib@go1.23.6
1.25.10
1
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 25 Sept 2026

Corrections: contact@stackradar.io

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