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
4,170
of 17,879 indexed, latest versions
Container images
4,711
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 4,170 of 17,879 indexed charts deploy, on 4,711 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 more1.25.104,711
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,170 by stars
ChartLatestAffected imagesRadar Score
dingtalk-botxxl-job-adminVerified publisher0.1.31 of 2See more

dingtalk-bot xxl-job-admin 0.1.3

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

Container imageDigestPackageFixed in
ghcr.io/dellnoantechnp/bitnami/redis:8.4.029064423c369
stdlib@go1.25.6
1.25.10

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3,386
kadalu-operatorxxl-job-adminVerified publisher1.2.42 of 4See more

kadalu-operator xxl-job-admin 1.2.4

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

Container imageDigestPackageFixed in
kadalu/kadalu-operator:1.2.03726d7a805f2
stdlib@go1.20.8
1.25.10
raspbernetes/csi-node-driver-registrar:2.0.1a552705225fd
stdlib@go1.13.15
1.25.10

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4,973
nfs-subdir-external-provisionerxxl-job-adminVerified publisher4.0.181 of 1See more

nfs-subdir-external-provisioner xxl-job-admin 4.0.18

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/nfs-subdir-external-provisioner:v4.0.263d5e04551ec
stdlib@go1.15
1.25.10

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2,740
nightingalexxl-job-adminVerified publisher0.2.113 of 6See more

nightingale xxl-job-admin 0.2.11

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

Container imageDigestPackageFixed in
flashcatcloud/nightingale:8.0.0-beta.11ea1b0aaabe09
stdlib@go1.23.9
1.25.10
library/mysql:5.74bc6bc963e6d
stdlib@go1.18.2
1.25.10
quay.io/prometheus/prometheus:v2.54.1f6639335d34a
stdlib@go1.22.6
1.25.10

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10,111
redisxxl-job-adminVerified publisher24.1.31 of 1See more

redis xxl-job-admin 24.1.3

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

Container imageDigestPackageFixed in
ghcr.io/dellnoantechnp/bitnami/redis:8.4.029064423c369
stdlib@go1.25.6
1.25.10

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310
pgbounceryasn77-pgbouncer0.0.81 of 1See more

pgbouncer yasn77-pgbouncer 0.0.8

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

Container imageDigestPackageFixed in
ghcr.io/yasn77/pgbouncer:v0.0.6cc8c13550e44
stdlib@go1.18.6
1.25.10

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1,154
ygdrassil-monitoringygdrassilVerified publisher0.4.07 of 10See more

ygdrassil-monitoring ygdrassil 0.4.0

7 of the 10 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/grafana:11.5.15781759b3d27
stdlib@go1.23.5
1.25.10
prom/alertmanager:v0.28.0d5155cfac40a
stdlib@go1.23.4
1.25.10
quay.io/prometheus-operator/prometheus-config-reloader:v0.79.2193280a33bc1
stdlib@go1.23.4
1.25.10
quay.io/prometheus/node-exporter:v1.8.24032c6d5bfd7
stdlib@go1.22.5
1.25.10
quay.io/prometheus/prometheus:v3.1.06559acbd5d77
stdlib@go1.23.4
1.25.10
quay.io/prometheus/pushgateway:v1.11.099392035ae99
stdlib@go1.23.4
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.14.037d841299325
stdlib@go1.23.3
1.25.10

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9,674
prometheusalertygqygq2Verified publisher1.0.01 of 1See more

prometheusalert ygqygq2 1.0.0

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

Container imageDigestPackageFixed in
feiyu563/prometheus-alert:v4.9.1224cfa68cbd9
stdlib@go1.20.6
1.25.10

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1,605
matrixdb-operatorymatrixOfficialVerified publisher0.13.01 of 2See more

matrixdb-operator ymatrix 0.13.0

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

Container imageDigestPackageFixed in
matrixdb/kubebuilder_kube-rbac-proxy:v0.12.0ed3c7e6291e8
stdlib@go1.18.1
1.25.10

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1,966
rawfile-csiymatrixVerified publisher0.2.14 of 4See more

rawfile-csi ymatrix 0.2.1

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

Container imageDigestPackageFixed in
matrixdb/custom-external-provisioner:4622a07d7-202204247e9ffe249a51
stdlib@go1.17.8
1.25.10
matrixdb/rawfile-csi:v0.2.195b2e38e913d
stdlib@go1.17.9
1.25.10
matrixdb/sig-storage_csi-node-driver-registrar:v2.2.0ba763bb01ddc
stdlib@go1.16
1.25.10
matrixdb/sig-storage_livenessprobe:v2.3.07ab06fe3d8a7
stdlib@go1.16
1.25.10

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8,016
nginx-vts-exporterymrs0.1.21 of 1See more

nginx-vts-exporter ymrs 0.1.2

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

Container imageDigestPackageFixed in
sophos/nginx-vts-exporter:latestf1073556b29b
stdlib@go1.13.6
1.25.10

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1,338
version-checkerymrs0.2.31 of 1See more

version-checker ymrs 0.2.3

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

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3,019
prometheus-monitoring-stackyotron-helm-charts1.2.01 of 3See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

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

Container imageDigestPackageFixed in
grafana/grafana:latestac461fb352ab
stdlib@go1.25.7
1.25.10

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787
zahori-consulzahoriVerified publisher1.0.12 of 2See more

zahori-consul zahori 1.0.1

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

Container imageDigestPackageFixed in
hashicorp/consul:1.15.3ddff34041c5c
stdlib@go1.20.4
1.25.10
hashicorp/consul-k8s-control-plane:1.1.262bed1bf8106
stdlib@go1.20.4
1.25.10

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5,084
zahori-moonzahoriVerified publisher1.0.13 of 3See more

zahori-moon zahori 1.0.1

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

Container imageDigestPackageFixed in
quay.io/aerokube/moon:2.5.1a8837b00ba1c
stdlib@go1.20.4
1.25.10
quay.io/aerokube/moon-conf:2.5.19ca307b30080
stdlib@go1.20.4
1.25.10
quay.io/aerokube/moon-ui:2.0.589990b146824
stdlib@go1.20.5
1.25.10

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2,910
zahori-schedulerzahoriVerified publisher1.0.11 of 1See more

zahori-scheduler zahori 1.0.1

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

Container imageDigestPackageFixed in
zahoriaut/zahori-scheduler:1.0.047d0979b1184
stdlib@go1.20.5
1.25.10

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2,536
jenkinszanise-jenkins-helm-chart0.1.01 of 1See more

jenkins zanise-jenkins-helm-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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2,652
posthogzeet0.23.21 of 9See more

posthog zeet 0.23.2

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

Container imageDigestPackageFixed in
altinity/clickhouse-operator:0.19.07a85f522c5bc
stdlib@go1.17.13
1.25.10

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3,754
zookeeper-exporterzookeeper-exporter0.1.01 of 1See more

zookeeper-exporter zookeeper-exporter 0.1.0

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

Container imageDigestPackageFixed in
dabealu/zookeeper-exporter:latest86106fec315f
stdlib@go1.14.15
1.25.10

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1,249
zoo-project-druzoo-projectOfficialVerified publisher0.10.41 of 6See more

zoo-project-dru zoo-project 0.10.4

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

Container imageDigestPackageFixed in
library/postgres:18.4-alpine3.249a8afca54e78
stdlib@go1.24.6
1.25.10

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8,389

Container images carrying it

4,711 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
gcr.io/k8s-staging-sig-storage/objectstorage-controller:v20221027-v0.1.1-8-g300019fa84b574e8027
stdlib@go1.18.3
1.25.10
1
gcr.io/kaniko-project/executor:latest4e7a52dd1f14
stdlib@go1.24.3
1.25.10
1
gcr.io/kasten-images/restorectl:8.0.145a0884f9a90c
stdlib@go1.25.4
1.25.10
1
gcr.io/knative-releases/knative.dev/eventing/cmd/broker/filterd675f211a40f
stdlib@go1.22.8
1.25.10
1
gcr.io/knative-releases/knative.dev/eventing/cmd/broker/ingressec4b544499ba
stdlib@go1.22.8
1.25.10
1
gcr.io/knative-releases/knative.dev/eventing/cmd/mtchannel_broker395f4ff1bd34
stdlib@go1.22.8
1.25.10
1
gcr.io/knative-releases/knative.dev/net-certmanager/cmd/webhook873b968f02b5
stdlib@go1.14.2
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/controller:v1.13.1a5b041ba3c9e
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/controllere70bc675f977
stdlib@go1.22.8
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/controller:v1.2.0f253b82941c2
stdlib@go1.17.6
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/webhook7d76a6d42d13
stdlib@go1.22.8
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/webhook:v1.2.0a705c1ea8e9e
stdlib@go1.17.6
1.25.10
1
gcr.io/knative-releases/knative.dev/net-istio/cmd/webhook:v1.13.1f066376eee17
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/net-kourier/cmd/kourier15a601147ef4
stdlib@go1.24.2
1.25.10
1
gcr.io/knative-releases/knative.dev/net-kourier/cmd/kourier197fbb71d1f1
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/operator/cmd/webhook6c5c90cdf707
stdlib@go1.19.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activator08315309da4b
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activator1e3db4f2eeed
stdlib@go1.14.10
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activator:v1.13.121f8e11a44bf
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activator:v1.2.593ff6e693577
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activatora5de0fb75046
stdlib@go1.14.2
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/activator:v1.10.2c2994c2b6c2c
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler:v1.2.5007820fdb75b
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler105bdd14ecaa
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler2ef460356b17
stdlib@go1.14.2
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler:v1.13.134796e9f760b
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler:v1.10.28319aa662b49
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscalerdb6ceff2aab4
stdlib@go1.14.10
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler-hpa:v1.10.2eb612b929eaa
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controller30ce73388ae5
stdlib@go1.14.2
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controller:v1.13.153d9aa4d2c7a
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controller:v1.2.575cfdcfa050a
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controller:v1.10.298a2cc7fd62e
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controllerb2cd45b8a8a4
stdlib@go1.14.10
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/controllerbac158dfb0c7
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/default-domain5e0429b70299
stdlib@go1.19.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mapping:v1.2.523baa1932232
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mappinge384a295069b
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mapping:v1.10.2f66c41ad7a73
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mapping-webhook15f1ce7f35b4
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mapping-webhook:v1.10.27368aaddf2be
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/domain-mapping-webhook:v1.2.5847bb97e3844
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhook1282a399cbb9
stdlib@go1.18.3
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhook:v1.10.24305209ce498
stdlib@go1.20.4
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhook:v1.13.1700c69915dc7
stdlib@go1.21.5
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhook:v1.2.59084ea8498ea
stdlib@go1.17.8
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhookd27b4495ccc3
stdlib@go1.14.10
1.25.10
1
gcr.io/knative-releases/knative.dev/serving/cmd/webhookf16c0e022203
stdlib@go1.14.2
1.25.10
1
gcr.io/kubecost1/cost-model:prod-2.5.502b90651367f
stdlib@go1.23.3
1.25.10
1
gcr.io/kubecost1/cost-model:prod-1.81.067f4f162da8d
stdlib@go1.16.4
1.25.10
1

syft 1.42.1 · advisories as of 26 Sept 2026

Corrections: contact@stackradar.io

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