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
0.008
54th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
4,217
of 17,988 indexed, latest versions
Container images
4,746
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 4,217 of 17,988 indexed charts deploy, on 4,746 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+183 more1.25.104,746
golang-1.19deb1.19.8-2no fix listed1
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,217 by stars
ChartLatestAffected imagesRadar Score
dex-serverdex-server1.19.12 of 3See more

dex-server dex-server 1.19.1

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

Container imageDigestPackageFixed in
dexidp/dex:v2.39.1-distroless43655afd1a8f
stdlib@go1.21.6
1.25.10
public.ecr.aws/cloudnatix/llmariner/database-creator:1.19.162375abc3c56
stdlib@go1.23.12
1.25.10

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2,997
digispoof-interfacedigispoof-interface1.0.01 of 3See more

digispoof-interface digispoof-interface 1.0.0

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

Container imageDigestPackageFixed in
ghcr.io/conductionnl/digispoof-interface-php:latest03aba499950f
stdlib@go1.13.10
1.25.10

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9,662
matomodigitalist-open-cloud-matomo12.0.211 of 3See more

matomo digitalist-open-cloud-matomo 12.0.21

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

Container imageDigestPackageFixed in
hipages/php-fpm_exporter:2.2.09b5be9d3d955
stdlib@go1.17.10
1.25.10

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3,478
directusdirectus-io2.1.03 of 3See more

directus directus-io 2.1.0

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

Container imageDigestPackageFixed in
bitnamilegacy/mysql:9.4.0-debian-12-r1ec13e229247a
stdlib@go1.24.6
1.25.10
bitnamilegacy/redis:8.2.1-debian-12-r025bf63f3caf7
stdlib@go1.25.0
1.25.10
directus/directus:12.0.29c8470ea465c
stdlib@go1.23.12
1.25.10

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9,212
alertmanager-ntfydjjudas21Verified publisher0.1.21 of 1See more

alertmanager-ntfy djjudas21 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/alexbakker/alertmanager-ntfy:1.0.12f4db8064595
stdlib@go1.24.4
1.25.10

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937
dkim-managerdkim-managerVerified publisher0.2.01 of 1See more

dkim-manager dkim-manager 0.2.0

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

Container imageDigestPackageFixed in
ghcr.io/hsn723/dkim-manager:1.4.00312232b31a2
stdlib@go1.26.0
1.25.10

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509
myappdl-grafana-webappVerified publisher0.1.01 of 2See more

myapp dl-grafana-webapp 0.1.0

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

Container imageDigestPackageFixed in
onkar17/grafana:latestaef3ebd6e24e
stdlib@go1.16.1
1.25.10

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3,522
dnation-pingdnationcloud0.1.94 of 5See more

dnation-ping dnationcloud 0.1.9

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

Container imageDigestPackageFixed in
grafana/grafana:7.3.5511bc20bfcd1
stdlib@go1.15.5
1.25.10
jimmidyson/configmap-reload:v0.4.017d34fd73f9e
stdlib@go1.14.4
1.25.10
prom/blackbox-exporter:v0.18.01ffc3f109eb3
stdlib@go1.15.2
1.25.10
prom/prometheus:v2.21.0d43417c260e5
stdlib@go1.15.2
1.25.10

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14,501
docker-in-dockerdocker-in-docker0.0.31 of 2See more

docker-in-docker docker-in-docker 0.0.3

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

Container imageDigestPackageFixed in
library/docker:24.0.2-dind1d148deae16a
stdlib@go1.20.4
1.25.10

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3,164
docker-registrydocker-repository0.1.01 of 1See more

docker-registry docker-repository 0.1.0

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

Container imageDigestPackageFixed in
library/registry:latestfd374bae807c
stdlib@go1.25.9
1.25.10

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691
dockyarddockyardVerified publisher0.5.01 of 1See more

dockyard dockyard 0.5.0

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

Container imageDigestPackageFixed in
ghcr.io/kgma74/dockyard:0.5.015d1d5769e91
stdlib@go1.22.7
1.25.10

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1,943
thermitedollarshaveclubOfficialVerified publisher0.1.171 of 1See more

thermite dollarshaveclub 0.1.17

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

Container imageDigestPackageFixed in
dollarshaveclub/thermite:0.0.31663cbf25fcfe
stdlib@go1.17.1
1.25.10

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3,654
domain-lockerdomain-locker0.3.11 of 2See more

domain-locker domain-locker 0.3.1

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

Container imageDigestPackageFixed in
library/postgres:15-alpinef7d23353e1b1
stdlib@go1.24.6
1.25.10

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1,009
dominodominoVerified publisher0.1.111 of 3See more

domino domino 0.1.11

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

Container imageDigestPackageFixed in
library/postgres:134689940c6838
stdlib@go1.24.6
1.25.10

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9,845
archerydoubanVerified publisher0.4.32 of 6See more

archery douban 0.4.3

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

Container imageDigestPackageFixed in
hanchuanchuan/goinception:latestb3c0dd26fb50
stdlib@go1.22.1
1.25.10
hhyo/archery:v1.9.11aa41843419e
stdlib@go1.15.6
1.25.10

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7,507
karmadoubanVerified publisher1.9.21 of 1See more

karma douban 1.9.2

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

Container imageDigestPackageFixed in
ghcr.io/prymitive/karma:v0.85d06892218680
stdlib@go1.16.3
1.25.10

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3,141
seafiledr300481Verified publisher0.12.11 of 1See more

seafile dr300481 0.12.1

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

Container imageDigestPackageFixed in
seafileltd/seafile-mc:11.0.12d0c66e4621bd
stdlib@go1.21.4
1.25.10

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77,394
dragonfly-stackdragonflyVerified publisher0.1.24 of 7See more

dragonfly-stack dragonfly 0.1.2

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

Container imageDigestPackageFixed in
dragonflyoss/client:v0.1.82edf3e921f4e0
stdlib@go1.21.5
1.25.10
dragonflyoss/manager:v2.1.49c3ef7f10698d
stdlib@go1.21.1
1.25.10
dragonflyoss/scheduler:v2.1.49523785c77787
stdlib@go1.21.1
1.25.10
ghcr.io/containerd/nydus-snapshotter:v0.9.056f8617363b4
stdlib@go1.18.10
1.25.10

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21,910
nydus-snapshotterdragonflyVerified publisher0.0.101 of 2See more

nydus-snapshotter dragonfly 0.0.10

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

Container imageDigestPackageFixed in
ghcr.io/containerd/nydus-snapshotter:v0.9.056f8617363b4
stdlib@go1.18.10
1.25.10

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4,321
rstudiodsri-helm-charts0.1.281 of 1See more

rstudio dsri-helm-charts 0.1.28

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

Container imageDigestPackageFixed in
ghcr.io/maastrichtu-ids/rstudio:latest981aa4c109e1
stdlib@go1.20.12
1.25.10

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75,325
dyff-operatordyff-operatorVerified publisher0.24.221 of 1See more

dyff-operator dyff-operator 0.24.22

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

Container imageDigestPackageFixed in
registry.gitlab.com/dyff/dyff-operator:0.24.227f930cdae40d
stdlib@go1.24.13
1.25.10

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465
gethdysnixVerified publisher1.1.21 of 1See more

geth dysnix 1.1.2

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

Container imageDigestPackageFixed in
ethereum/client-go:v1.14.8886ec69b35b0
stdlib@go1.22.6
1.25.10

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2,003
jenkinsedu2.7.11 of 2See more

jenkins edu 2.7.1

1 of the 2 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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5,125
glpieftechcombr-glpiVerified publisher2.11.71 of 5See more

glpi eftechcombr-glpi 2.11.7

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

Container imageDigestPackageFixed in
library/mariadb:12.3.2a02fe89cb597
stdlib@go1.24.6
1.25.10

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5,557
glideeinstackOfficialVerified publisher0.0.21 of 1See more

glide einstack 0.0.2

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

Container imageDigestPackageFixed in
ghcr.io/einstack/glide:0.0.1-alpineab3f7d0a1d50
stdlib@go1.21.6
1.25.10

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1,791
elchi-discoveryelchi1.0.01 of 1See more

elchi-discovery elchi 1.0.0

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

Container imageDigestPackageFixed in
jhonbrownn/elchi-discovery:latest8f6551ecc98c
stdlib@go1.23.1
1.25.10

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979
elchi-stackelchi2.0.04 of 10See more

elchi-stack elchi 2.0.0

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

Container imageDigestPackageFixed in
grafana/grafana:12.2.074144189b384
stdlib@go1.24.6
1.25.10
library/mongo:6.0.12646902910d6a
stdlib@go1.18.2
1.25.10
otel/opentelemetry-collector-contrib:0.89.0995f17004231
stdlib@go1.21.4
1.25.10
victoriametrics/victoria-metrics:v1.93.577a9815d0640
stdlib@go1.21.1
1.25.10

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17,640
navidromeemmas-chartsVerified publisher0.0.61 of 1See more

navidrome emmas-charts 0.0.6

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

Container imageDigestPackageFixed in
deluan/navidrome:0.50.02cf4442b0099
stdlib@go1.21.0
1.25.10

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2,696
enbuildenbuildVerified publisher0.0.503 of 6See more

enbuild enbuild 0.0.50

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

Container imageDigestPackageFixed in
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-backend:1.0.31c7afac3446d6
stdlib@go1.25.7
1.25.10
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-mq-consumer:1.0.310e3cd8c7776d
stdlib@go1.25.7
1.25.10
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/mongodb:4.4.5cf72810d33f5
stdlib@go1.15.8
1.25.10

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35,845
eoapieoapiOfficialVerified publisher0.16.31 of 7See more

eoapi eoapi 0.16.3

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

Container imageDigestPackageFixed in
alpine/kubectl:1.34.18413f8890d19
stdlib@go1.24.6
1.25.10

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6,159
nexus-operatorepmdedp-devVerified publisher2.11.0-MDTU-DDM-SNAPSHOT.11 of 1See more

nexus-operator epmdedp-dev 2.11.0-MDTU-DDM-SNAPSHOT.1

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

Container imageDigestPackageFixed in
epamedp/nexus-operator:2.11.0-MDTU-DDM-SNAPSHOT.1449a53804699
stdlib@go1.17.2
1.25.10

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3,185
httpbingoestahnVerified publisher0.1.11 of 1See more

httpbingo estahn 0.1.1

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

Container imageDigestPackageFixed in
mccutchen/go-httpbin:v2.2.25994403ef75b
stdlib@go1.16.2
1.25.10

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2,325
beaconchain-explorerethereum-helm-chartsVerified publisher0.1.61 of 2See more

beaconchain-explorer ethereum-helm-charts 0.1.6

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

Container imageDigestPackageFixed in
gobitfly/eth2-beaconchain-explorer:latest1d08a7986348
stdlib@go1.23.5
1.25.10

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3,664
ethereumjsethereum-helm-chartsVerified publisher0.1.21 of 2See more

ethereumjs ethereum-helm-charts 0.1.2

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

Container imageDigestPackageFixed in
ethpandaops/ethereumjs:masterfb84b718500f
stdlib@go1.23.12
1.25.10

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2,057
genesis-generatorethereum-helm-chartsVerified publisher0.2.31 of 2See more

genesis-generator ethereum-helm-charts 0.2.3

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

Container imageDigestPackageFixed in
skylenet/ethereum-genesis-generator:latest210353ce7c89
stdlib@go1.17.13
1.25.10

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4,402
ipfs-clusterethereum-helm-chartsVerified publisher0.1.142 of 3See more

ipfs-cluster ethereum-helm-charts 0.1.14

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

Container imageDigestPackageFixed in
ipfs/kubo:latestb293923d66e4
stdlib@go1.19.8
1.25.10
lachlanevenson/k8s-kubectl:v1.25.4af5cea3f2e40
stdlib@go1.19.3
1.25.10

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6,052
iobrokereugen0.2.61 of 1See more

iobroker eugen 0.2.6

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

Container imageDigestPackageFixed in
ghcr.io/buanet/iobroker:v9.1.2ca7dc7362968
stdlib@go1.19.8
1.25.10

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13,089
evccevccVerified publisher1.0.471 of 1See more

evcc evcc 1.0.47

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

Container imageDigestPackageFixed in
evcc/evcc:0.300.8ddf2a25afce5
stdlib@go1.25.6
1.25.10

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1,430
event-exporterevent-exporterVerified publisher0.1.171 of 1See more

event-exporter event-exporter 0.1.17

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

Container imageDigestPackageFixed in
kubestar/event-exporter:latest656606941255
stdlib@go1.20.14
1.25.10

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1,653
events-exporterevents-exporter0.0.41 of 1See more

events-exporter events-exporter 0.0.4

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

Container imageDigestPackageFixed in
ghcr.io/nabokihms/events_exporter:latest68d44646e8b2
stdlib@go1.19.5
1.25.10

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2,754
github-actions-runner-operatorevryfs-ossVerified publisher2.8.11 of 1See more

github-actions-runner-operator evryfs-oss 2.8.1

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

Container imageDigestPackageFixed in
quay.io/evryfs/github-actions-runner-operator:v0.11.16b084e0bd082
stdlib@go1.21.1
1.25.10

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1,717
ext-postgres-operatorext-postgres-operatorVerified publisher3.0.01 of 1See more

ext-postgres-operator ext-postgres-operator 3.0.0

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

Container imageDigestPackageFixed in
ghcr.io/movetokube/postgres-operator:2.4.0def57d85a2da
stdlib@go1.25.5
1.25.10

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612
akauntingf3k-techVerified publisher1.3121.01 of 4See more

akaunting f3k-tech 1.3121.0

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

Container imageDigestPackageFixed in
bitnamilegacy/mariadb:latestbbd4e17f1ef8
stdlib@go1.24.5
1.25.10

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4,763
vidcheckfactlyVerified publisher0.5.21 of 2See more

vidcheck factly 0.5.2

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

Container imageDigestPackageFixed in
factly/vidcheck-server:0.12.087064eb0463c
stdlib@go1.14.2
1.25.10

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4,675
ecr-cleanupfairwinds-stableVerified publisher1.2.81 of 1See more

ecr-cleanup fairwinds-stable 1.2.8

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

Container imageDigestPackageFixed in
danielfm/kube-ecr-cleanup-controller:0.1.1012485563b1d0
stdlib@go1.19.6
1.25.10

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1,583
falco-operatorfalcosecurity0.3.11 of 1See more

falco-operator falcosecurity 0.3.1

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

Container imageDigestPackageFixed in
falcosecurity/falco-operator:0.4.18a99fcc57a57
stdlib@go1.26.0
1.25.10

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587
fastapi-microservice-appfast-api-microservice-app1.3.01 of 4See more

fastapi-microservice-app fast-api-microservice-app 1.3.0

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

Container imageDigestPackageFixed in
library/mongo:7.09854f7139445
stdlib@go1.24.6
1.25.10

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10,632
featurehubfeaturehub4.1.63 of 7See more

featurehub featurehub 4.1.6

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

Container imageDigestPackageFixed in
library/nats:2.10.5-alpine85319e5e541b
stdlib@go1.21.4
1.25.10
natsio/nats-box:0.14.1a67913df95f1
stdlib@go1.21.3
1.25.10
natsio/nats-server-config-reloader:0.13.0b3359eeb10bf
stdlib@go1.20.5
1.25.10

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10,686
federidfederidOfficialVerified publisher0.1.21 of 1See more

federid federid 0.1.2

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

Container imageDigestPackageFixed in
federid/webhook:0.1.0fbfb7c6510a7
stdlib@go1.23.3
1.25.10

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2,564
fencemasterfencemasterVerified publisher0.1.131 of 1See more

fencemaster fencemaster 0.1.13

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

Container imageDigestPackageFixed in
ghcr.io/rvbsalgado/fencemaster:1.0.0-rc.207056a6aae439
stdlib@go1.25.8
1.25.10

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438

Container images carrying it

4,746 by charts deploying them

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

No deployed image carries CVE-2026-39820.

syft 1.42.1 · advisories as of 3 Oct 2026

Corrections: contact@stackradar.io

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