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
mongodbsb-helm-charts0.4.01 of 1See more

mongodb sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/mongo:7.0.140032d2ca20db
stdlib@go1.21.12
1.25.10

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4,248
mysqlsb-helm-charts0.4.01 of 1See more

mysql sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/mysql:8.4.3106d5197fd8e
stdlib@go1.18.2
1.25.10

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1,104
nextcloudsb-helm-charts0.4.01 of 2See more

nextcloud sb-helm-charts 0.4.0

1 of the 2 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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10,299
opentelemetry-collectorsb-helm-charts0.3.01 of 1See more

opentelemetry-collector sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
otel/opentelemetry-collector-contrib:0.96.07ef2a2ff46b9
stdlib@go1.21.7
1.25.10

Open the chart page →

1,745
postgresqlsb-helm-charts0.4.01 of 1See more

postgresql sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/postgres:16.11468e1f126ca5
stdlib@go1.24.6
1.25.10

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2,553
promtailsb-helm-charts0.4.01 of 1See more

promtail sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
grafana/promtail:3.6.18dcfdf466da0
stdlib@go1.24.10
1.25.10

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2,387
pushgatewaysb-helm-charts0.3.01 of 1See more

pushgateway sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/prometheus/pushgateway:v1.6.2979a69ab4a40
stdlib@go1.21.1
1.25.10

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1,169
redissb-helm-charts0.4.01 of 1See more

redis sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/redis:7.4.1-alpinec1e88455c852
stdlib@go1.18.2
1.25.10

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1,349
temposb-helm-charts0.4.01 of 1See more

tempo sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
grafana/tempo:2.9.065a578975943
stdlib@go1.25.1
1.25.10

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962
thanos-compactorsb-helm-charts0.3.01 of 1See more

thanos-compactor sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-querysb-helm-charts0.3.01 of 1See more

thanos-query sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-query-frontendsb-helm-charts0.3.01 of 1See more

thanos-query-frontend sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-receivesb-helm-charts0.3.01 of 1See more

thanos-receive sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-rulersb-helm-charts0.3.01 of 1See more

thanos-ruler sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-sidecarsb-helm-charts0.3.01 of 1See more

thanos-sidecar sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

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981
thanos-storesb-helm-charts0.3.01 of 1See more

thanos-store sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
stdlib@go1.23.4
1.25.10

Open the chart page →

981
wordpresssb-helm-charts0.4.01 of 2See more

wordpress sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/mysql:8.0-debian9382e4f6f7f0
stdlib@go1.24.6
1.25.10

Open the chart page →

14,230
ed-traefikscaleway-charts0.2.01 of 1See more

ed-traefik scaleway-charts 0.2.0

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

Container imageDigestPackageFixed in
library/traefik:v1.7.345d47b7bb2546
stdlib@go1.16.12
1.25.10

Open the chart page →

2,149
ed-traefik2scaleway-charts0.2.01 of 1See more

ed-traefik2 scaleway-charts 0.2.0

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

Container imageDigestPackageFixed in
library/traefik:2.5.62f603f8d3abe
stdlib@go1.17.5
1.25.10

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3,164
postgresscalified-postgresVerified publisher18.4.01 of 1See more

postgres scalified-postgres 18.4.0

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

Container imageDigestPackageFixed in
library/postgres:18.4a02db8cac496
stdlib@go1.24.6
1.25.10

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1,823
sonarqubescalified-sonarqubeVerified publisher26.9.01 of 2See more

sonarqube scalified-sonarqube 26.9.0

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

Container imageDigestPackageFixed in
library/postgres:16-alpine721873c34ceb
stdlib@go1.24.6
1.25.10

Open the chart page →

312
scalyr-k8snode-managerscalyr-k8snode-managerVerified publisher0.1.71 of 1See more

scalyr-k8snode-manager scalyr-k8snode-manager 0.1.7

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

Container imageDigestPackageFixed in
ghcr.io/dodevops/scalyr-k8snode-manager:latestfc39fcdd3968
stdlib@go1.18.1
1.25.10

Open the chart page →

2,154
cert-manager-webhook-cloudnsschichtelVerified publisher1.2.01 of 1See more

cert-manager-webhook-cloudns schichtel 1.2.0

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

Container imageDigestPackageFixed in
ghcr.io/pschichtel/cert-manager-webhook-cloudns:1.1.01020638bbe23
stdlib@go1.21.6
1.25.10

Open the chart page →

1,415
cosischichtelVerified publisher0.1.01 of 1See more

cosi schichtel 0.1.0

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

Container imageDigestPackageFixed in
gcr.io/k8s-staging-sig-storage/objectstorage-controller:v20221027-v0.1.1-8-g300019fa84b574e8027
stdlib@go1.18.3
1.25.10

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1,313
crproxyschichtelVerified publisher0.1.41 of 1See more

crproxy schichtel 0.1.4

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

Container imageDigestPackageFixed in
ghcr.io/daocloud/crproxy/crproxy:v0.8.0ee1eb3c9c9a1
stdlib@go1.21.11
1.25.10

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1,400
draytek-exporterschichtelVerified publisher0.2.41 of 1See more

draytek-exporter schichtel 0.2.4

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

Container imageDigestPackageFixed in
quay.io/superq/draytek-exporter:v0.2.03b577bdceaae
stdlib@go1.25.4
1.25.10

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535
gickupschichtelVerified publisher0.0.41 of 1See more

gickup schichtel 0.0.4

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

Container imageDigestPackageFixed in
buddyspencer/gickup:0.10.386b656f19b0c1
stdlib@go1.22.5
1.25.10

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1,572
photonschichtelVerified publisher0.2.01 of 1See more

photon schichtel 0.2.0

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

Container imageDigestPackageFixed in
rtuszik/photon-docker:2.4.021549c60f9e6
stdlib@go1.22.2
1.25.10

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3,091
rabbitmq-cluster-operatorschichtelVerified publisher0.1.81 of 1See more

rabbitmq-cluster-operator schichtel 0.1.8

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

Container imageDigestPackageFixed in
ghcr.io/rabbitmq/cluster-operator:2.17.25d690e6cd856
stdlib@go1.25.4
1.25.10

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324
rabbitmq-topology-operatorschichtelVerified publisher0.1.91 of 1See more

rabbitmq-topology-operator schichtel 0.1.9

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

Container imageDigestPackageFixed in
quay.io/rabbitmqoperator/messaging-topology-operator:1.18.1f97c36882244
stdlib@go1.24.6
1.25.10

Open the chart page →

389
satisfactoryschichtelVerified publisher0.3.31 of 1See more

satisfactory schichtel 0.3.3

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

Container imageDigestPackageFixed in
wolveix/satisfactory-server:v1.9.9464d11e36e10
stdlib@go1.18.1
1.25.10

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3,723
unifi-protectschichtelVerified publisher0.10.11 of 1See more

unifi-protect schichtel 0.10.1

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

Container imageDigestPackageFixed in
markdegroot/unifi-protect-arm64:latestd8445f2a0de6
stdlib@go1.20.2
1.25.10

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5,667
cert-manager-desec-webhookschmitzis0.0.11 of 1See more

cert-manager-desec-webhook schmitzis 0.0.1

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

Container imageDigestPackageFixed in
su541/cert-manager-desec-webhook:latest371ee33f83c1
stdlib@go1.19.10
1.25.10

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1,787
cert-manager-webhook-bunnyschmitzis0.1.11 of 1See more

cert-manager-webhook-bunny schmitzis 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/schmitzis/cert-manager-webhook-bunny:latest125e31c8e85a
stdlib@go1.19.13
1.25.10

Open the chart page →

1,515
icinga2-masterschmitzis0.2.01 of 6See more

icinga2-master schmitzis 0.2.0

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

Container imageDigestPackageFixed in
grafana/grafana:8.0.3696823fbc561
stdlib@go1.16.1
1.25.10

Open the chart page →

3,742
outlineschmitzis0.0.81 of 4See more

outline schmitzis 0.0.8

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

Container imageDigestPackageFixed in
outlinewiki/outline:0.69.1d060dcd8f9aa
stdlib@go1.19.4
1.25.10

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4,566
version-checkerschmitzis0.2.21 of 1See more

version-checker schmitzis 0.2.2

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

Container imageDigestPackageFixed in
quay.io/jetstack/version-checker:v0.2.15f6f8ba0b671
stdlib@go1.15.2
1.25.10

Open the chart page →

3,020
vikunjaschmitzis1.0.01 of 3See more

vikunja schmitzis 1.0.0

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

Container imageDigestPackageFixed in
vikunja/vikunja:0.24.6ed1f3ed467fe
stdlib@go1.23.4
1.25.10

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4,294
openldapschoolguys-helmcharts0.1.31 of 1See more

openldap schoolguys-helmcharts 0.1.3

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

Container imageDigestPackageFixed in
osixia/openldap:1.5.018742e9c449c
stdlib@go1.15.5
1.25.10

Open the chart page →

3,314
restic-serverschoolguys-helmcharts0.3.11 of 1See more

restic-server schoolguys-helmcharts 0.3.1

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

Container imageDigestPackageFixed in
restic/rest-server:0.14.0d2aff06f47eb
stdlib@go1.24.3
1.25.10

Open the chart page →

2,329
satisfactory-serverschoolguys-helmcharts0.1.81 of 1See more

satisfactory-server schoolguys-helmcharts 0.1.8

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

Container imageDigestPackageFixed in
ghcr.io/wolveix/satisfactory-server:v1.9.10e0f2f8c97598
stdlib@go1.18.1
1.25.10

Open the chart page →

3,624
cernboxsciencebox0.0.41 of 6See more

cernbox sciencebox 0.0.4

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

Container imageDigestPackageFixed in
cs3org/revad:v1.19.03b57a34a7dfd
stdlib@go1.17.3
1.25.10

Open the chart page →

2,362
ldap-instance-configsciencebox0.0.11 of 1See more

ldap-instance-config sciencebox 0.0.1

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

Container imageDigestPackageFixed in
osixia/openldap:1.5.018742e9c449c
stdlib@go1.15.5
1.25.10

Open the chart page →

3,314
centralbrainsciencemeshVerified publisher0.0.34 of 5See more

centralbrain sciencemesh 0.0.3

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

Container imageDigestPackageFixed in
grafana/grafana:7.3.315b977f5207d
stdlib@go1.15.1
1.25.10
jimmidyson/configmap-reload:v0.4.017d34fd73f9e
stdlib@go1.14.4
1.25.10
quay.io/prometheus/node-exporter:v1.0.1cf66a6bbd573
stdlib@go1.14.4
1.25.10
quay.io/prometheus/prometheus:v2.22.1b899dbd1b901
stdlib@go1.15.3
1.25.10

Open the chart page →

9,759
sealed-secrets-uisealed-secrets-uiVerified publisher0.0.81 of 1See more

sealed-secrets-ui sealed-secrets-ui 0.0.8

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

Container imageDigestPackageFixed in
ghcr.io/noahburrell0/sealed-secrets-ui:v0.1.47e7368fb472d
stdlib@go1.19.4
1.25.10

Open the chart page →

4,860
hermitcrabseal-ioVerified publisher0.1.42 of 2See more

hermitcrab seal-io 0.1.4

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

Container imageDigestPackageFixed in
sealio/hermitcrab:v0.1.4a326a2f03660
stdlib@go1.21.6
1.25.10
sealio/terraform-deployer:v1.5.7-seal.1b0389d9848a5
stdlib@go1.20.7
1.25.10

Open the chart page →

4,894
searchpesearchpe4.1.01 of 2See more

searchpe searchpe 4.1.0

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

Container imageDigestPackageFixed in
library/postgres:13.703652c675ae1
stdlib@go1.16.7
1.25.10

Open the chart page →

2,651
seashellsseashells1.0.01 of 1See more

seashells seashells 1.0.0

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

Container imageDigestPackageFixed in
rokk42/seashells:1.0-k8sdfc850a5db9e
stdlib@go1.22.3
1.25.10

Open the chart page →

823
seaweedfs-operatorseaweedfs-operatorVerified publisher1.5.82 of 3See more

seaweedfs-operator seaweedfs-operator 1.5.8

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

Container imageDigestPackageFixed in
ghcr.io/nnstd/seaweedfs-operator:1.43ebe2fd253f6
stdlib@go1.24.5
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20231011-8b53cabe0a7943503b45d
stdlib@go1.21.3
1.25.10

Open the chart page →

2,124
wallabagsebtiz13-chartsVerified publisher0.6.01 of 1See more

wallabag sebtiz13-charts 0.6.0

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

Container imageDigestPackageFixed in
wallabag/wallabag:2.6.144a527e027e0d
stdlib@go1.25.1
1.25.10

Open the chart page →

1,147

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.