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
4,213
of 17,957 indexed, latest versions
Container images
4,738
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 4,213 of 17,957 indexed charts deploy, on 4,738 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 more1.25.104,738
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,213 by stars
ChartLatestAffected imagesRadar Score
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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5,085
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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2,908
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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2,688
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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3,751
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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8,307

Container images carrying it

4,738 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/honeycombio/kspan/kspan:0.2c966a4f8a4b7
stdlib@go1.20.1
1.25.10
1
ghcr.io/hsn723/cert-estuary:0.2.00c4b6132b0ad
stdlib@go1.26.2
1.25.10
1
ghcr.io/hsn723/dkim-manager:1.4.00312232b31a2
stdlib@go1.26.0
1.25.10
1
ghcr.io/hsn723/postfix_exporter:0.20.0b7da7c554018
stdlib@go1.26.2
1.25.10
1
ghcr.io/huseyinbabal/kubetag:lateste161eddc59a0
stdlib@go1.25.5
1.25.10
1
ghcr.io/hyperspike/valkey-operator:v0.0.617d8c669f11a4
stdlib@go1.25.2
1.25.10
1
ghcr.io/idebeijer/gameserver-operator:latest1b099cfe9e5e
stdlib@go1.25.7
1.25.10
1
ghcr.io/ignisda/ryot:v10.5.0a752b6aee537
stdlib@go1.23.1
1.25.10
1
ghcr.io/igrikus/garm-operator:4.2.09e24d8a6a3b2
stdlib@go1.26.2
1.25.10
1
ghcr.io/imcitius/checker-edge:1.1.1174426c1fe00f
stdlib@go1.25.9
1.25.10
1
ghcr.io/imgproxy/imgproxy:v3.30.074c1bee92e04
stdlib@go1.25.1
1.25.10
1
ghcr.io/imunhatep/kube-node-ready:0.5.07439f6f9f85c
stdlib@go1.25.7
1.25.10
1
ghcr.io/indeedeng/harbor-container-webhook:main45ca15fc294f
stdlib@go1.24.1
1.25.10
1
ghcr.io/inlets/inlets-operator:0.17.2208265c006973
stdlib@go1.26.2
1.25.10
1
ghcr.io/interlink-hq/interlink/virtual-kubelet-inttw:latest0e05a7b49c33
stdlib@go1.24.5
1.25.10
1
ghcr.io/invergent-ai/surogate-hub:latest6d4106724d56
stdlib@go1.24.13
1.25.10
1
ghcr.io/itakurah/kubernetes-event-exporter:v1.78abb52b66557
stdlib@go1.20.14
1.25.10
1
ghcr.io/it-at-m/appswitcher-server:1.3.010006bc0f309
stdlib@go1.24.3
1.25.10
1
ghcr.io/itzg/minecraft-server:latest46919d151d39
stdlib@go1.24.6
1.25.10
1
ghcr.io/jaconi-io/koptimize:1.2.5aca1bbd609b6
stdlib@go1.20.7
1.25.10
1
ghcr.io/jaydee94/kubeseal-webgui/api:4.5.33cceb9462ae1
stdlib@go1.24.4
1.25.10
1
ghcr.io/jens-maus/raspberrymatic:3.83.6.202508244b22b4f407c4
stdlib@go1.24.4
1.25.10
1
ghcr.io/jimmidyson/configmap-reload:v0.13.1ca0c14eef541
stdlib@go1.22.4
1.25.10
1
ghcr.io/jkroepke/kube-webhook-certgen:1.8.043401e216e89
stdlib@go1.26.1
1.25.10
1
ghcr.io/jkroepke/kube-webhook-certgen:1.8.14f6da0256b1b
stdlib@go1.26.2
1.25.10
1
ghcr.io/jkroepke/kube-webhook-certgen:1.7.7b18964551d8e
stdlib@go1.25.5
1.25.10
1
ghcr.io/jlclx/runtimeclass-controller:latestb3a87f92a963
stdlib@go1.17.13
1.25.10
1
ghcr.io/jmberesford/retrom-service:retrom-v0.7.144d763d58f11d
stdlib@go1.20.12
1.25.10
1
ghcr.io/jmcgrath207/par:v0.1.09977511cb142
stdlib@go1.19.10
1.25.10
1
ghcr.io/jmriebold/sqs-prometheus-exporter:1.1.07564828ab7cb
stdlib@go1.24.0
1.25.10
1
ghcr.io/jodevsa/wireguard-operator/manager:v2.0.2839412bdd403b
stdlib@go1.22.2
1.25.10
1
ghcr.io/jsclayton/prometheus-plex-exporter:latest18ef1b2197ef
stdlib@go1.23.0
1.25.10
1
ghcr.io/juanfont/headscale:v0.25.097febecbe6cb
stdlib@go1.23.4
1.25.10
1
ghcr.io/justwatchcom/sql_exporter:v0.8c4b1d3d0f052
stdlib@go1.24.4
1.25.10
1
ghcr.io/k10app/businit:latest94c9a3e799c2
stdlib@go1.19.3
1.25.10
1
ghcr.io/k8s-at-home/apache-musicindex:v1.4.1-2c9bd82dc5fda
stdlib@go1.18.4
1.25.10
1
ghcr.io/k8s-at-home/bazarr:v1.0.3fdb5501cdfb9
stdlib@go1.16.8
1.25.10
1
ghcr.io/k8s-at-home/cni-plugins:v0.9.1241592d93640
stdlib@go1.15.8
1.25.10
1
ghcr.io/k8s-at-home/emby:v4.6.1.05c6b8f91f1c4
stdlib@go1.15
1.25.10
1
ghcr.io/k8s-at-home/gateway-admision-controller:v2.0.00d6d0df98fe4
stdlib@go1.16.4
1.25.10
1
ghcr.io/k8s-at-home/gateway-admision-controller:v3.5.0175512bb3f61
stdlib@go1.18.3
1.25.10
1
ghcr.io/k8s-at-home/haste-server:latest827aa2f2389d
stdlib@go1.15
1.25.10
1
ghcr.io/k8s-at-home/jackett:v0.20.13163a4715b46aa2
stdlib@go1.18.3
1.25.10
1
ghcr.io/k8s-at-home/lidarr:v1.0.0.225554ebc1f90963
stdlib@go1.16.7
1.25.10
1
ghcr.io/k8s-at-home/network-ups-tools:v2.7.4-2479-g86a32237cbd5d4cc1245
stdlib@go1.15
1.25.10
1
ghcr.io/k8s-at-home/nullserv:v1.3.00792c7e6d814
stdlib@go1.16.5
1.25.10
1
ghcr.io/k8s-at-home/nzbget:v21.1e5571acd10ce
stdlib@go1.18.4
1.25.10
1
ghcr.io/k8s-at-home/nzbhydra2:v3.14.2ef3670f7e0a8
stdlib@go1.15
1.25.10
1
ghcr.io/k8s-at-home/plex:v1.28.0.5999-97678ded3ef756c7d784b
stdlib@go1.18.4
1.25.10
1
ghcr.io/k8s-at-home/prowlarr:v0.3.0.1710c863aa9875fa
stdlib@go1.16.8
1.25.10
1

syft 1.42.1 · advisories as of 29 Sept 2026

Corrections: contact@stackradar.io

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