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
4,221
of 17,966 indexed, latest versions
Container images
4,754
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 4,221 of 17,966 indexed charts deploy, on 4,754 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 more1.25.104,754
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,221 by stars
ChartLatestAffected imagesRadar Score
recipyartomik-helm-chartsVerified publisher0.0.21 of 2See more

recipya rtomik-helm-charts 0.0.2

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

Container imageDigestPackageFixed in
reaper99/recipya:v1.2.27f7ec3aeb88c
stdlib@go1.22.0
1.25.10

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2,353
gotifyrubxkubeVerified publisher1.3.41 of 1See more

gotify rubxkube 1.3.4

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

Container imageDigestPackageFixed in
ghcr.io/gotify/server:3.1.144fc5bbd1c06
stdlib@go1.26.0
1.25.10

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329
komgarubxkubeVerified publisher0.1.31 of 1See more

komga rubxkube 0.1.3

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

Container imageDigestPackageFixed in
gotson/komga:1.26.36c2a967bbe9a
stdlib@go1.17.8
1.25.10

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40,868
memorubxkubeVerified publisher1.2.11 of 1See more

memo rubxkube 1.2.1

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

Container imageDigestPackageFixed in
neosmemo/memos:0.293e1253477066
stdlib@go1.26.2
1.25.10

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796
plex-exporterrubxkubeVerified publisher0.1.11 of 1See more

plex-exporter rubxkube 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/jsclayton/prometheus-plex-exporter:latest18ef1b2197ef
stdlib@go1.23.0
1.25.10

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437
smokepingrubxkubeVerified publisher1.2.11 of 1See more

smokeping rubxkube 1.2.1

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

Container imageDigestPackageFixed in
linuxserver/smokeping:2.9.00c8b547eda88
stdlib@go1.24.12
1.25.10

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772
tranquil-pdsrubxkubeVerified publisher0.2.01 of 2See more

tranquil-pds rubxkube 0.2.0

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

Container imageDigestPackageFixed in
library/postgres:18-alpine77f585114c32
stdlib@go1.24.6
1.25.10

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314
trmnl-serverrubxkubeVerified publisher0.1.01 of 2See more

trmnl-server rubxkube 0.1.0

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

Container imageDigestPackageFixed in
alpine/git:2.47.2062a01ad7a0e
stdlib@go1.23.9
1.25.10

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2,958
uptime-kumarubxkubeVerified publisher1.2.11 of 1See more

uptime-kuma rubxkube 1.2.1

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:2.4.091e963bfda56
stdlib@go1.20.5
1.25.10

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33,449
your-spotifyrubxkubeVerified publisher1.0.11 of 3See more

your-spotify rubxkube 1.0.1

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

Container imageDigestPackageFixed in
bitnamilegacy/mongodb:latestb0652af9c8d0
stdlib@go1.23.8
1.25.10

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5,959
runwhen-localrunwhen-contribVerified publisher0.7.01 of 3See more

runwhen-local runwhen-contrib 0.7.0

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

Container imageDigestPackageFixed in
ghcr.io/runwhen-contrib/runwhen-local:0.12.32c1ec86675d4
stdlib@go1.25.5
1.25.10

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3,709
rybbitrybbit-helm1.3.23 of 7See more

rybbit rybbit-helm 1.3.2

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

Container imageDigestPackageFixed in
alpine/k8s:1.32.12048f8d9c8cc7
stdlib@go1.25.7
1.25.10
library/postgres:15-alpinea46e076249ce
stdlib@go1.24.6
1.25.10
ghcr.io/rybbit-io/rybbit-backend:lateste0d1b397e33c
stdlib@go1.20.7
1.25.10

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6,932
janitorrryuunosukeds30.1.31 of 1See more

janitorr ryuunosukeds3 0.1.3

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

Container imageDigestPackageFixed in
ghcr.io/schaka/janitorr:native-stable7cfe1e0c41da
stdlib@go1.24.6
1.25.10

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1,116
orbitalryuunosukeds30.2.01 of 1See more

orbital ryuunosukeds3 0.2.0

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

Container imageDigestPackageFixed in
ryuunosukeds3/orbital:latest0879f7261b10
stdlib@go1.23.9
1.25.10

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2,814
housekeepersaashousekeeper1.0.01 of 14See more

housekeeper saashousekeeper 1.0.0

1 of the 14 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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4,470
sagawisesagawiseVerified publisher0.1.02 of 3See more

sagawise sagawise 0.1.0

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

Container imageDigestPackageFixed in
venturenox/redis:latest83b471c193ba
stdlib@go1.22.9
1.25.10
venturenox/sagawise:latestc11d32f18718
stdlib@go1.22.2
1.25.10

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4,393
caddysagikazarmarkVerified publisher0.0.141 of 1See more

caddy sagikazarmark 0.0.14

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

Container imageDigestPackageFixed in
library/caddy:2.4.5874405536b3e
stdlib@go1.17
1.25.10

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2,994
tusdsagikazarmarkVerified publisher0.1.21 of 1See more

tusd sagikazarmark 0.1.2

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

Container imageDigestPackageFixed in
tusproject/tusd:v1.10.01e457b59fd5b
stdlib@go1.19.2
1.25.10

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1,562
fmtok8s-agenda-servicesalaboy0.1.21 of 2See more

fmtok8s-agenda-service salaboy 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-agenda-service:v0.0.1-native6c5efe150958
stdlib@go1.18.10
1.25.10

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2,707
fmtok8s-c4p-servicesalaboy0.1.11 of 2See more

fmtok8s-c4p-service salaboy 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-c4p-service:v0.0.1-native3f7cc45fd20b
stdlib@go1.19.7
1.25.10

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2,707
fmtok8s-conference-chartsalaboy0.1.43 of 6See more

fmtok8s-conference-chart salaboy 0.1.4

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

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-agenda-service:v0.0.1-native6c5efe150958
stdlib@go1.18.10
1.25.10
ghcr.io/salaboy/fmtok8s-c4p-service:v0.0.1-native3f7cc45fd20b
stdlib@go1.19.7
1.25.10
ghcr.io/salaboy/fmtok8s-email-service:v0.1.0-nativecf28472bc460
stdlib@go1.17.11
1.25.10

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16,907
fmtok8s-email-servicesalaboy0.2.01 of 1See more

fmtok8s-email-service salaboy 0.2.0

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

Container imageDigestPackageFixed in
ghcr.io/salaboy/fmtok8s-email-service:v0.2.0-nativeb52d5dbac2ca
stdlib@go1.17.11
1.25.10

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3,009
knative-helm-operatorsalaboy1.9.02 of 2See more

knative-helm-operator salaboy 1.9.0

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

Container imageDigestPackageFixed in
gcr.io/knative-releases/knative.dev/operator/cmd/webhookdigest-pinned6c5c90cdf707
stdlib@go1.19.5
1.25.10
gcr.io/knative-releases/knative.dev/serving/cmd/default-domaindigest-pinned5e0429b70299
stdlib@go1.19.5
1.25.10

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2,361
pagessamanvithkaranth1.0.01 of 3See more

pages samanvithkaranth 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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20,785
hellowsamarthya2.0.01 of 1See more

hellow samarthya 2.0.0

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

Container imageDigestPackageFixed in
samarthya/spinnaker:v1.0ef06d81036af
stdlib@go1.17.6
1.25.10

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2,119
saml-exportersaml-exporter0.5.02 of 2See more

saml-exporter saml-exporter 0.5.0

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

Container imageDigestPackageFixed in
ghcr.io/doodlescheduling/saml-exporter:v0.5.03d5a99841bc2
stdlib@go1.22.3
1.25.10
quay.io/brancz/kube-rbac-proxy:v0.19.19f21034731c7
stdlib@go1.24.2
1.25.10

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1,523
samplesample0.1.01 of 2See more

sample sample 0.1.0

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

Container imageDigestPackageFixed in
library/mongo:noble02eb14a1130c
stdlib@go1.24.6
1.25.10

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2,181
sample-applicationsample-application1.0.61 of 1See more

sample-application sample-application 1.0.6

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

Container imageDigestPackageFixed in
ghcr.io/patricklaabs/sample-application:0.0.1f0935fa2eee3
stdlib@go1.22.0
1.25.10

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535
speedtestsantisbon0.1.02 of 3See more

speedtest santisbon 0.1.0

2 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
library/influxdb:2.7b8d940ca9376
stdlib@go1.18.2
1.25.10

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13,320
uptime-kumasarab97Verified publisher0.1.51 of 1See more

uptime-kuma sarab97 0.1.5

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:1.22.10b55bcb83a1c
stdlib@go1.19.6
1.25.10

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4,994
pagessarubits-pages1.0.01 of 3See more

pages sarubits-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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20,785
grafanasaurabh6-grafana0.2.01 of 1See more

grafana saurabh6-grafana 0.2.0

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

Container imageDigestPackageFixed in
saurabh6/grafana_setup:v15c140fda7486
stdlib@go1.16.1
1.25.10

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2,461
prometheussaurabh6-prometheus0.2.01 of 1See more

prometheus saurabh6-prometheus 0.2.0

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

Container imageDigestPackageFixed in
saurabh6/prometheus_setup:v19d4dbe7c1815
stdlib@go1.16.5
1.25.10

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2,673
airflowsb-helm-charts0.3.01 of 1See more

airflow sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
apache/airflow:2.8.1e5560ad0b86e
stdlib@go1.19.8
1.25.10

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10,912
grafanasb-helm-charts0.4.01 of 1See more

grafana sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
grafana/grafana:12.2.22ebef928d7e5
stdlib@go1.25.3
1.25.10

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1,907
harborsb-helm-charts0.3.02 of 2See more

harbor sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
goharbor/harbor-core:v2.11.1c017dd84ee96
stdlib@go1.22.6
1.25.10
goharbor/registry-photon:v2.11.15645d459af2b
stdlib@go1.22.6
1.25.10

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1,702
keycloaksb-helm-charts0.3.01 of 2See more

keycloak sb-helm-charts 0.3.0

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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2,628
lokisb-helm-charts0.4.01 of 1See more

loki sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
grafana/loki:3.6.192bd5700577b
stdlib@go1.24.10
1.25.10

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845
mimirsb-helm-charts0.3.01 of 1See more

mimir sb-helm-charts 0.3.0

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

Container imageDigestPackageFixed in
grafana/mimir:2.15.085f55510e0d3
stdlib@go1.23.2
1.25.10

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899
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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4,298
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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1,106
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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10,499
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

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1,747
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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2,690
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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2,467
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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1,168
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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1,348
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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972
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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988
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

Open the chart page →

988

Container images carrying it

4,754 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/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 1 Oct 2026

Corrections: contact@stackradar.io

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