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
4,209
of 17,966 indexed, latest versions
Container images
4,735
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 4,209 of 17,966 indexed charts deploy, on 4,735 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 more1.25.104,735
OSV records
DEBIAN-CVE-2026-39820GO-2026-4986
Also known as
BIT-golang-2026-39820

Charts affected

4,209 by stars
ChartLatestAffected imagesRadar Score
pagesstephendillondell1.0.01 of 3See more

pages stephendillondell 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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20,652
snapshot-controllerstevehipwellVerified publisher0.1.01 of 1See more

snapshot-controller stevehipwell 0.1.0

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/snapshot-controller:v8.2.09dade8f2f3ab
stdlib@go1.23.1
1.25.10

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500
snapshot-controllerstevehipwell-helm-charts-snapshot-controllerVerified publisher0.1.01 of 1See more

snapshot-controller stevehipwell-helm-charts-snapshot-controller 0.1.0

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

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/snapshot-controller:v8.2.09dade8f2f3ab
stdlib@go1.23.1
1.25.10

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500
its-mytabsstone0.3.01 of 1See more

its-mytabs stone 0.3.0

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

Container imageDigestPackageFixed in
louislam/its-mytabs:1.7.02e478d3170bd
stdlib@go1.24.4
1.25.10

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1,791
sn-platform-slimstreamnative1.11.463See more

sn-platform-slim streamnative 1.11.46

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

Container imageDigestPackageFixed in
jimmidyson/configmap-reload:v0.8.05af9d3041d12
stdlib@go1.19.2
1.25.10
streamnative/apache-pulsar-grafana-dashboard-k8s:0.1.20e6d7aa3ef32
stdlib@go1.20.4
1.25.10
quay.io/prometheus/prometheus:v2.43.0f5c29683a301
stdlib@go1.19.7
1.25.10

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—
wonder-mesh-netstrrl-helm2026.629.01 of 3See more

wonder-mesh-net strrl-helm 2026.629.0

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

Container imageDigestPackageFixed in
headscale/headscale:0.27.1cd37b3001857
stdlib@go1.25.1
1.25.10

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5,550
stunner-prometheusstunner0.2.14 of 4See more

stunner-prometheus stunner 0.2.1

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

Container imageDigestPackageFixed in
grafana/grafana:latestac461fb352ab
stdlib@go1.25.7
1.25.10
quay.io/brancz/kube-rbac-proxy:v0.18.1e6a323504999
stdlib@go1.23.0
1.25.10
quay.io/prometheus-operator/prometheus-operator:v0.77.2af92db7eac86
stdlib@go1.23.2
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.13.0639a1e2da549
stdlib@go1.22.5
1.25.10

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2,967
group-challengesubshell-labVerified publisher2.1.21See more

group-challenge subshell-lab 2.1.2

1 container image this version deploys carries CVE-2026-39820.

Container imageDigestPackageFixed in
darthsim/imgproxy:v3.29.17d12c7c8fc66
stdlib@go1.24.3
1.25.10

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—
orchestratorsubstraVerified publisher8.8.02 of 3See more

orchestrator substra 8.8.0

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

Container imageDigestPackageFixed in
library/postgres:17f4c66b820c6f
stdlib@go1.24.6
1.25.10
ghcr.io/substra/orchestrator-server:1.0.0647e45284a80
stdlib@go1.21.13
1.25.10

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2,770
substra-backendsubstraVerified publisher26.15.31 of 7See more

substra-backend substra 26.15.3

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

Container imageDigestPackageFixed in
library/postgres:17f4c66b820c6f
stdlib@go1.24.6
1.25.10

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4,782
lingosubstratusVerified publisher0.2.11 of 1See more

lingo substratus 0.2.1

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

Container imageDigestPackageFixed in
ghcr.io/substratusai/lingo:v0.2.12c807cd41ed4
stdlib@go1.22.5
1.25.10

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1,626
scaleway-webhooksudaVerified publisher0.0.21 of 1See more

scaleway-webhook suda 0.0.2

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

Container imageDigestPackageFixed in
scaleway/cert-manager-webhook-scaleway:v0.0.1dcc14608d000
stdlib@go1.15.2
1.25.10

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2,356
nocodbsudermanjr0.1.01 of 1See more

nocodb sudermanjr 0.1.0

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

Container imageDigestPackageFixed in
nocodb/nocodb:0.84.15f9b799933aa8
stdlib@go1.17.8
1.25.10

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2,073
qbittorrentsudo-kraken-qbittorrentVerified publisher5.1.51 of 2See more

qbittorrent sudo-kraken-qbittorrent 5.1.5

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

Container imageDigestPackageFixed in
ghcr.io/squat/generic-device-plugin:36bfc606bba2064de6ede0ff2764cbb52edff70dba6f0b4cf6c8
stdlib@go1.20.2
1.25.10

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2,184
ingress-nginx-external-lbsuminhong1.0.02 of 2See more

ingress-nginx-external-lb suminhong 1.0.0

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.10.042b3f0e5d084
stdlib@go1.22.0
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.044d1d0e9f19c
stdlib@go1.21.6
1.25.10

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2,103
slack-emoji-makersuminhong0.1.01 of 1See more

slack-emoji-maker suminhong 0.1.0

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

Container imageDigestPackageFixed in
honglab/slack-emoji-maker:v0.0.1ca075a926fe1
stdlib@go1.20.7
1.25.10

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1,916
hello-worldsumudu-repo1.0.01 of 1See more

hello-world sumudu-repo 1.0.0

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

Container imageDigestPackageFixed in
sumuduliya/hello-world:latestb7788a2984a3
stdlib@go1.19.13
1.25.10

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942
pagessunilb2590-pages1.0.01 of 3See more

pages sunilb2590-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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20,652
cludodsuperorbitalVerified publisher0.0.51 of 1See more

cludod superorbital 0.0.5

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

Container imageDigestPackageFixed in
superorbital/cludod:0.0.2-alphad59732f61d6e
stdlib@go1.17.6
1.25.10

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2,369
do-database-metrics-adaptersupporttools1.0.21 of 1See more

do-database-metrics-adapter supporttools 1.0.2

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

Container imageDigestPackageFixed in
supporttools/do-database-metrics-adapter:1.0.2ab55fd5a69c3
stdlib@go1.22.3
1.25.10

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433
do-operatorsupporttools0.1.71 of 2See more

do-operator supporttools 0.1.7

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

Container imageDigestPackageFixed in
digitalocean/do-operator:v0.1.65e5deb4db76e
stdlib@go1.18.10
1.25.10

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1,068
go-redis-proxysupporttools0.0.71 of 1See more

go-redis-proxy supporttools 0.0.7

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

Container imageDigestPackageFixed in
supporttools/go-redis-proxy:0.0.7cbd45f6b02b8
stdlib@go1.21.6
1.25.10

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532
go-web-cachesupporttools1.3.21 of 1See more

go-web-cache supporttools 1.3.2

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

Container imageDigestPackageFixed in
supporttools/go-web-cache:v1.3.2f4f775dd43b9
stdlib@go1.21.6
1.25.10

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514
hello-worldsupporttools185.0.01 of 1See more

hello-world supporttools 185.0.0

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

Container imageDigestPackageFixed in
supporttools/hello-world:v185fab12b15c832
stdlib@go1.24.3
1.25.10

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408
k8s-ns-purgersupporttools3.0.01 of 1See more

k8s-ns-purger supporttools 3.0.0

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

Container imageDigestPackageFixed in
supporttools/k8s-ns-purger:v3bd3001f01f6e
stdlib@go1.23.5
1.25.10

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492
nfs-provisionersupporttools0.11.01 of 1See more

nfs-provisioner supporttools 0.11.0

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

Container imageDigestPackageFixed in
openebs/provisioner-nfs:0.11.04f41dd782761
stdlib@go1.19.13
1.25.10

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2,685
placeholdersupporttools455.0.02 of 2See more

placeholder supporttools 455.0.0

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

Container imageDigestPackageFixed in
supporttools/go-web-cache:v1.3.2f4f775dd43b9
stdlib@go1.21.6
1.25.10
supporttools/placeholder:v455dc50d660e149
stdlib@go1.22.4
1.25.10

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934
powerdns-admin-proxysupporttools0.1.51 of 1See more

powerdns-admin-proxy supporttools 0.1.5

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

Container imageDigestPackageFixed in
supporttools/powerdns-admin-proxy:5e3687d66bcfa
stdlib@go1.21.3
1.25.10

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561
push-to-k8ssupporttools1.1.21 of 1See more

push-to-k8s supporttools 1.1.2

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

Container imageDigestPackageFixed in
cube8021/push-to-k8s:v1.1.21be9baf096ff
stdlib@go1.22.4
1.25.10

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536
rancher-upgrade-toolsupporttools216.0.01 of 1See more

rancher-upgrade-tool supporttools 216.0.0

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

Container imageDigestPackageFixed in
supporttools/rancher-upgrade-tool:v216f4dc8ef6dd2d
stdlib@go1.22.4
1.25.10

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1,255
reflow-ingress-logssupporttools8.0.01 of 1See more

reflow-ingress-logs supporttools 8.0.0

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

Container imageDigestPackageFixed in
supporttools/reflow-ingress-logs:v838e3a597ddbd
stdlib@go1.23.5
1.25.10

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532
uptime-kumasupporttools2.6.01 of 3See more

uptime-kuma supporttools 2.6.0

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

Container imageDigestPackageFixed in
supporttools/uptime-kuma:v2.6f8a49ed65809
stdlib@go1.19.6
1.25.10

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4,465
websitesupporttools1326.0.01 of 2See more

website supporttools 1326.0.0

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

Container imageDigestPackageFixed in
supporttools/website:v132603fdbc9e708e
stdlib@go1.22.4
1.25.10

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2,010
surogate-hubsurogate-hubVerified publisher2.1.51 of 1See more

surogate-hub surogate-hub 2.1.5

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

Container imageDigestPackageFixed in
ghcr.io/invergent-ai/surogate-hub:latest6d4106724d56
stdlib@go1.24.13
1.25.10

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3,734
freeradiussvtech-public-helm-charts0.1.51 of 4See more

freeradius svtech-public-helm-charts 0.1.5

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

Container imageDigestPackageFixed in
library/mysql:8.2.0212fe73edca5
stdlib@go1.18.2
1.25.10

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13,018
grafanasvtech-public-helm-charts1.0.01 of 2See more

grafana svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_grafana:v1.2.21d71314424aa
stdlib@go1.20.4
1.25.10

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11,408
icinga2svtech-public-helm-charts1.0.02 of 4See more

icinga2 svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
library/redis:7.2.3a7cee7c8178f
stdlib@go1.18.2
1.25.10
svtechnmaa/svtech_icingadb:v1.1.26d91c2e4e882
stdlib@go1.21.5
1.25.10

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5,724
icingawebsvtech-public-helm-charts1.0.01 of 2See more

icingaweb svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_icingaweb2:v1.0.2a59d0b81dde2
stdlib@go1.21.6
1.25.10

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2,076
ingress-nginxsvtech-public-helm-charts1.0.01 of 1See more

ingress-nginx svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.9.45b161f051d01
stdlib@go1.21.3
1.25.10

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1,486
maxscalesvtech-public-helm-charts1.0.01 of 2See more

maxscale svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
library/mysql:8.2.0212fe73edca5
stdlib@go1.18.2
1.25.10

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80,507
rundecksvtech-public-helm-charts1.0.01 of 2See more

rundeck svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_rundeck:v1.2.26e368ace0977
stdlib@go1.20.5
1.25.10

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80,053
syncthingsvtech-public-helm-charts1.0.01 of 2See more

syncthing svtech-public-helm-charts 1.0.0

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

Container imageDigestPackageFixed in
svtechnmaa/svtech_syncthing:v1.0.41a75d88031fe
stdlib@go1.21.5
1.25.10

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2,332
switchbladeswitchblade0.0.191 of 1See more

switchblade switchblade 0.0.19

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

Container imageDigestPackageFixed in
public.ecr.aws/boundless-software/switchblade:release-v0.0.19-lcm01d8413d5075
stdlib@go1.23.9
1.25.10

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1,372
stashswuuper-githubVerified publisher0.1.161 of 1See more

stash swuuper-github 0.1.16

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

Container imageDigestPackageFixed in
stashapp/stash:v0.31.1df744af5a0c9
stdlib@go1.24.3
1.25.10

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2,504
stash-boxswuuper-githubVerified publisher0.1.11 of 2See more

stash-box swuuper-github 0.1.1

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

Container imageDigestPackageFixed in
stashapp/stash-box:latesta534c8afdf39
stdlib@go1.23.10
1.25.10

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8,828
synadia-serversynadiaVerified publisher1.1.101 of 2See more

synadia-server synadia 1.1.10

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

Container imageDigestPackageFixed in
natsio/nats-box:0.14.1a67913df95f1
stdlib@go1.21.3
1.25.10

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1,983
agentssynapse0.1.304 of 9See more

agents synapse 0.1.30

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

Container imageDigestPackageFixed in
jaegertracing/all-in-one:1.42.07d32a4eddec7
stdlib@go1.19.5
1.25.10
ghcr.io/synapsecns/sanguine/agents:6e3887fc2a05aff0d159453cedbfbe5024b910bf81a9ebc899a4
stdlib@go1.20.3
1.25.10
ghcr.io/synapsecns/sanguine/omnirpc:latest5217e3d1fc70
stdlib@go1.22.4
1.25.10
ghcr.io/synapsecns/sanguine/scribe:6e3887fc2a05aff0d159453cedbfbe5024b910bf5e0a3dfa9f96
stdlib@go1.20.3
1.25.10

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7,356
cctpsynapse0.3.01 of 4See more

cctp synapse 0.3.0

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

Container imageDigestPackageFixed in
ghcr.io/synapsecns/sanguine/cctp-relayer:b5a1dd5288f1a18eb05994e130d626fed45a56fc2f1408c94168
stdlib@go1.20.5
1.25.10

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1,838
explorersynapse0.2.163 of 6See more

explorer synapse 0.2.16

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

Container imageDigestPackageFixed in
yandex/clickhouse-server:latest1cbf75aabe1e
stdlib@go1.16.7
1.25.10
ghcr.io/synapsecns/sanguine/explorer:latest00131e3d1eaf
stdlib@go1.22.4
1.25.10
ghcr.io/synapsecns/sanguine/omnirpc:latest5217e3d1fc70
stdlib@go1.22.4
1.25.10

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8,794
omnirpcsynapse0.2.921 of 2See more

omnirpc synapse 0.2.92

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

Container imageDigestPackageFixed in
ghcr.io/synapsecns/sanguine/omnirpc:latest5217e3d1fc70
stdlib@go1.22.4
1.25.10

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1,151

Container images carrying it

4,735 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 30 Sept 2026

Corrections: contact@stackradar.io

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