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
v3-backendstakewise3.6.01 of 5See more

v3-backend stakewise 3.6.0

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

Container imageDigestPackageFixed in
ipfs/kubo:v0.33.21a30f5ed8579
stdlib@go1.23.6
1.25.10

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1,267
mediamtxstartechnicaVerified publisher0.1.11 of 1See more

mediamtx startechnica 0.1.1

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

Container imageDigestPackageFixed in
bluenviron/mediamtx:1.17.19e39256d1ba3
stdlib@go1.25.8
1.25.10

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579
open-appsec-injectorstartechnicaVerified publisher1.1.22 of 3See more

open-appsec-injector startechnica 1.1.2

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

Container imageDigestPackageFixed in
ghcr.io/openappsec/smartsync:latest580d68c50cc7
stdlib@go1.18.10
1.25.10
ghcr.io/openappsec/smartsync-shared-files:latest30c1daa0b33e
stdlib@go1.18.10
1.25.10

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4,462
unifistartechnicaVerified publisher0.1.31 of 2See more

unifi startechnica 0.1.3

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

Container imageDigestPackageFixed in
jacobalberty/unifi:v7.1.664a3616625dda
stdlib@go1.18
1.25.10

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14,981
argocd-operatorstatcan0.5.01 of 1See more

argocd-operator statcan 0.5.0

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

Container imageDigestPackageFixed in
quay.io/argoprojlabs/argocd-operator:v0.4.0cf8faa986789
stdlib@go1.18.4
1.25.10

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1,981
cost-analyzerstatcan1.82.24 of 9See more

cost-analyzer statcan 1.82.2

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

Container imageDigestPackageFixed in
grafana/grafana:7.5.609bb407e26ab
stdlib@go1.16.1
1.25.10
prom/prometheus:v2.22.2f7ffebdd428b
stdlib@go1.15.5
1.25.10
gcr.io/kubecost1/cost-model:prod-1.82.2989a60847416
stdlib@go1.16.5
1.25.10
gcr.io/kubecost1/server:prod-1.82.22b1a3d08caac
stdlib@go1.16.5
1.25.10

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16,557
fluentd-operatorstatcan0.5.11 of 1See more

fluentd-operator statcan 0.5.1

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

Container imageDigestPackageFixed in
vmware/kube-fluentd-operator:latestf028c138a5f4
stdlib@go1.21.7
1.25.10

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1,991
ingress-istio-controllerstatcan1.4.01 of 1See more

ingress-istio-controller statcan 1.4.0

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

Container imageDigestPackageFixed in
statcan/ingress-istio-controller:1.4.0d7d6bd180c46
stdlib@go1.18.10
1.25.10

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1,579
minio-operatorstatcan4.1.01 of 2See more

minio-operator statcan 4.1.0

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

Container imageDigestPackageFixed in
minio/operator:v4.1.02adc5be088f5
stdlib@go1.16.3
1.25.10

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6,646
prometheus-operatorstatcan0.2.24 of 7See more

prometheus-operator statcan 0.2.2

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

Container imageDigestPackageFixed in
grafana/grafana:7.0.3d72946c8e5d5
stdlib@go1.14.3
1.25.10
jettech/kube-webhook-certgen:v1.2.1c42098c8d855
stdlib@go1.13.11
1.25.10
squareup/ghostunnel:v1.5.270f4cf270425
stdlib@go1.13.4
1.25.10
quay.io/prometheus/node-exporter:v1.0.08a3a33cad0bd
stdlib@go1.14.3
1.25.10

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12,259
sidecar-terminatorstatcan1.3.51 of 1See more

sidecar-terminator statcan 1.3.5

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

Container imageDigestPackageFixed in
statcan/kubernetes-sidecar-terminator:2.0.2bc361ee7748f
stdlib@go1.19.10
1.25.10

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1,311
starboard-operatorstatcan0.10.41 of 1See more

starboard-operator statcan 0.10.4

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

Container imageDigestPackageFixed in
aquasec/starboard-operator:0.15.4be34f709e1ce
stdlib@go1.17.8
1.25.10

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1,831
vaultstatcan0.1.81 of 2See more

vault statcan 0.1.8

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

Container imageDigestPackageFixed in
hashicorp/vault-k8s:0.6.05697b85bc69a
stdlib@go1.13.5
1.25.10

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4,220
static-src-people-detector-appstatic-src-people-detector-chartVerified publisher1.5.51 of 6See more

static-src-people-detector-app static-src-people-detector-chart 1.5.5

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

Container imageDigestPackageFixed in
library/mongo:4.4.18d23ec07162ca
stdlib@go1.17.10
1.25.10

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13,889
pagesstephendillondell1.0.01 of 3See more

pages stephendillondell 1.0.0

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

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.25.10

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20,585
snapshot-controllerstevehipwellVerified publisher0.1.01 of 1See more

snapshot-controller stevehipwell 0.1.0

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/snapshot-controller:v8.2.09dade8f2f3ab
stdlib@go1.23.1
1.25.10

Open the chart page →

498
snapshot-controllerstevehipwell-helm-charts-snapshot-controllerVerified publisher0.1.01 of 1See more

snapshot-controller stevehipwell-helm-charts-snapshot-controller 0.1.0

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/snapshot-controller:v8.2.09dade8f2f3ab
stdlib@go1.23.1
1.25.10

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498
its-mytabsstone0.3.01 of 1See more

its-mytabs stone 0.3.0

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

Container imageDigestPackageFixed in
louislam/its-mytabs:1.7.02e478d3170bd
stdlib@go1.24.4
1.25.10

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1,629
sn-platform-slimstreamnative1.11.453 of 6See more

sn-platform-slim streamnative 1.11.45

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

Container imageDigestPackageFixed in
jimmidyson/configmap-reload:v0.8.05af9d3041d12
stdlib@go1.19.2
1.25.10
streamnative/apache-pulsar-grafana-dashboard-k8s:0.1.20e6d7aa3ef32
stdlib@go1.20.4
1.25.10
quay.io/prometheus/prometheus:v2.43.0f5c29683a301
stdlib@go1.19.7
1.25.10

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67,388
wonder-mesh-netstrrl-helm2026.629.01 of 3See more

wonder-mesh-net strrl-helm 2026.629.0

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

Container imageDigestPackageFixed in
headscale/headscale:0.27.1cd37b3001857
stdlib@go1.25.1
1.25.10

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5,438
stunner-prometheusstunner0.2.14 of 4See more

stunner-prometheus stunner 0.2.1

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

Container imageDigestPackageFixed in
grafana/grafana:latestac461fb352ab
stdlib@go1.25.7
1.25.10
quay.io/brancz/kube-rbac-proxy:v0.18.1e6a323504999
stdlib@go1.23.0
1.25.10
quay.io/prometheus-operator/prometheus-operator:v0.77.2af92db7eac86
stdlib@go1.23.2
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.13.0639a1e2da549
stdlib@go1.22.5
1.25.10

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2,951
group-challengesubshell-labVerified publisher2.1.01 of 2See more

group-challenge subshell-lab 2.1.0

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

Container imageDigestPackageFixed in
darthsim/imgproxy:v3.29.17d12c7c8fc66
stdlib@go1.24.3
1.25.10

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2,752
orchestratorsubstraVerified publisher8.8.02 of 3See more

orchestrator substra 8.8.0

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

Container imageDigestPackageFixed in
library/postgres:17f4c66b820c6f
stdlib@go1.24.6
1.25.10
ghcr.io/substra/orchestrator-server:1.0.0647e45284a80
stdlib@go1.21.13
1.25.10

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2,700
substra-backendsubstraVerified publisher26.15.31 of 7See more

substra-backend substra 26.15.3

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

Container imageDigestPackageFixed in
library/postgres:17f4c66b820c6f
stdlib@go1.24.6
1.25.10

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4,618
lingosubstratusVerified publisher0.2.11 of 1See more

lingo substratus 0.2.1

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

Container imageDigestPackageFixed in
ghcr.io/substratusai/lingo:v0.2.12c807cd41ed4
stdlib@go1.22.5
1.25.10

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1,630
scaleway-webhooksudaVerified publisher0.0.21 of 1See more

scaleway-webhook suda 0.0.2

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

Container imageDigestPackageFixed in
scaleway/cert-manager-webhook-scaleway:v0.0.1dcc14608d000
stdlib@go1.15.2
1.25.10

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2,356
nocodbsudermanjr0.1.01 of 1See more

nocodb sudermanjr 0.1.0

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

Container imageDigestPackageFixed in
nocodb/nocodb:0.84.15f9b799933aa8
stdlib@go1.17.8
1.25.10

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2,072
qbittorrentsudo-kraken-qbittorrentVerified publisher5.1.51 of 2See more

qbittorrent sudo-kraken-qbittorrent 5.1.5

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

Container imageDigestPackageFixed in
ghcr.io/squat/generic-device-plugin:36bfc606bba2064de6ede0ff2764cbb52edff70dba6f0b4cf6c8
stdlib@go1.20.2
1.25.10

Open the chart page →

2,173
ingress-nginx-external-lbsuminhong1.0.02 of 2See more

ingress-nginx-external-lb suminhong 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:v1.10.042b3f0e5d084
stdlib@go1.22.0
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.044d1d0e9f19c
stdlib@go1.21.6
1.25.10

Open the chart page →

2,099
slack-emoji-makersuminhong0.1.01 of 1See more

slack-emoji-maker suminhong 0.1.0

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

Container imageDigestPackageFixed in
honglab/slack-emoji-maker:v0.0.1ca075a926fe1
stdlib@go1.20.7
1.25.10

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1,840
hello-worldsumudu-repo1.0.01 of 1See more

hello-world sumudu-repo 1.0.0

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

Container imageDigestPackageFixed in
sumuduliya/hello-world:latestb7788a2984a3
stdlib@go1.19.13
1.25.10

Open the chart page →

940
pagessunilb2590-pages1.0.01 of 3See more

pages sunilb2590-pages 1.0.0

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

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.25.10

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20,585
cludodsuperorbitalVerified publisher0.0.51 of 1See more

cludod superorbital 0.0.5

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

Container imageDigestPackageFixed in
superorbital/cludod:0.0.2-alphad59732f61d6e
stdlib@go1.17.6
1.25.10

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2,367
do-database-metrics-adaptersupporttools1.0.21 of 1See more

do-database-metrics-adapter supporttools 1.0.2

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

Container imageDigestPackageFixed in
supporttools/do-database-metrics-adapter:1.0.2ab55fd5a69c3
stdlib@go1.22.3
1.25.10

Open the chart page →

431
do-operatorsupporttools0.1.71 of 2See more

do-operator supporttools 0.1.7

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

Container imageDigestPackageFixed in
digitalocean/do-operator:v0.1.65e5deb4db76e
stdlib@go1.18.10
1.25.10

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1,066
go-redis-proxysupporttools0.0.71 of 1See more

go-redis-proxy supporttools 0.0.7

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

Container imageDigestPackageFixed in
supporttools/go-redis-proxy:0.0.7cbd45f6b02b8
stdlib@go1.21.6
1.25.10

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530
go-web-cachesupporttools1.3.21 of 1See more

go-web-cache supporttools 1.3.2

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

Container imageDigestPackageFixed in
supporttools/go-web-cache:v1.3.2f4f775dd43b9
stdlib@go1.21.6
1.25.10

Open the chart page →

512
hello-worldsupporttools185.0.01 of 1See more

hello-world supporttools 185.0.0

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

Container imageDigestPackageFixed in
supporttools/hello-world:v185fab12b15c832
stdlib@go1.24.3
1.25.10

Open the chart page →

406
k8s-ns-purgersupporttools3.0.01 of 1See more

k8s-ns-purger supporttools 3.0.0

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

Container imageDigestPackageFixed in
supporttools/k8s-ns-purger:v3bd3001f01f6e
stdlib@go1.23.5
1.25.10

Open the chart page →

490
nfs-provisionersupporttools0.11.01 of 1See more

nfs-provisioner supporttools 0.11.0

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

Container imageDigestPackageFixed in
openebs/provisioner-nfs:0.11.04f41dd782761
stdlib@go1.19.13
1.25.10

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2,681
powerdns-admin-proxysupporttools0.1.51 of 1See more

powerdns-admin-proxy supporttools 0.1.5

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

Container imageDigestPackageFixed in
supporttools/powerdns-admin-proxy:5e3687d66bcfa
stdlib@go1.21.3
1.25.10

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559
push-to-k8ssupporttools1.1.21 of 1See more

push-to-k8s supporttools 1.1.2

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

Container imageDigestPackageFixed in
cube8021/push-to-k8s:v1.1.21be9baf096ff
stdlib@go1.22.4
1.25.10

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534
surogate-hubsurogate-hubVerified publisher2.1.51 of 1See more

surogate-hub surogate-hub 2.1.5

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

Container imageDigestPackageFixed in
ghcr.io/invergent-ai/surogate-hub:latest6d4106724d56
stdlib@go1.24.13
1.25.10

Open the chart page →

3,692
freeradiussvtech-public-helm-charts0.1.51 of 4See more

freeradius svtech-public-helm-charts 0.1.5

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

Container imageDigestPackageFixed in
library/mysql:8.2.0212fe73edca5
stdlib@go1.18.2
1.25.10

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13,015
grafanasvtech-public-helm-charts1.0.01 of 2See more

grafana svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_grafana:v1.2.21d71314424aa
stdlib@go1.20.4
1.25.10

Open the chart page →

11,350
icinga2svtech-public-helm-charts1.0.02 of 4See more

icinga2 svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
library/redis:7.2.3a7cee7c8178f
stdlib@go1.18.2
1.25.10
svtechnmaa/svtech_icingadb:v1.1.26d91c2e4e882
stdlib@go1.21.5
1.25.10

Open the chart page →

5,685
icingawebsvtech-public-helm-charts1.0.01 of 2See more

icingaweb svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_icingaweb2:v1.0.2a59d0b81dde2
stdlib@go1.21.6
1.25.10

Open the chart page →

2,071
ingress-nginxsvtech-public-helm-charts1.0.01 of 1See more

ingress-nginx svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.9.45b161f051d01
stdlib@go1.21.3
1.25.10

Open the chart page →

1,483
maxscalesvtech-public-helm-charts1.0.01 of 2See more

maxscale svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
library/mysql:8.2.0212fe73edca5
stdlib@go1.18.2
1.25.10

Open the chart page →

77,448
rundecksvtech-public-helm-charts1.0.01 of 2See more

rundeck svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_rundeck:v1.2.26e368ace0977
stdlib@go1.20.5
1.25.10

Open the chart page →

76,904

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.