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
spacecapybara-chartspacecapy1.0.491 of 2See more

spacecapybara-chart spacecapy 1.0.49

1 of the 2 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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12,651
datadogspartan0.1.01 of 1See more

datadog spartan 0.1.0

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

Container imageDigestPackageFixed in
gcr.io/datadoghq/cluster-agent:7.61.06efe04ba4e06
stdlib@go1.22.8
1.25.10

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3,432
spire-ha-agentspiffeVerified publisher0.3.21 of 2See more

spire-ha-agent spiffe 0.3.2

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

Container imageDigestPackageFixed in
ghcr.io/spiffe/spire-ha-agent:0.5.0307cf2d05afe
stdlib@go1.25.0
1.25.10

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375
spire-identity-exchangespiffeVerified publisher0.2.22 of 3See more

spire-identity-exchange spiffe 0.2.2

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

Container imageDigestPackageFixed in
ghcr.io/spiffe/spire-identity-exchange-server:v0.5.0239bc70c1988
stdlib@go1.26.0
1.25.10
registry.k8s.io/kubectl:v1.31.099b37df34bc4
stdlib@go1.22.5
1.25.10

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1,462
spillwayspillwayVerified publisher0.6.01 of 1See more

spillway spillway 0.6.0

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

Container imageDigestPackageFixed in
ghcr.io/kroy-the-rabbit/spillway:0.6.068f057e20f2d
stdlib@go1.26.1
1.25.10

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190
spoolmanspoolmanVerified publisher0.2.71 of 1See more

spoolman spoolman 0.2.7

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

Container imageDigestPackageFixed in
ghcr.io/donkie/spoolman:0.27.07aba565eff77
stdlib@go1.19.8
1.25.10

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1,886
ocean-admission-controllerspot1.0.32 of 3See more

ocean-admission-controller spot 1.0.3

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

Container imageDigestPackageFixed in
gcr.io/spotit-today/spot-ocean-admission-controller:0.1.64f634aeb31b8
stdlib@go1.24.13
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.4a9f03b34a3cb
stdlib@go1.22.8
1.25.10

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780
ocean-network-clientspot1.1.61 of 1See more

ocean-network-client spot 1.1.6

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

Container imageDigestPackageFixed in
public.ecr.aws/spotinst/spot-network-client:1.0.1486380a01587d
stdlib@go1.24.13
1.25.10

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57,145
ocean-vpaspot1.0.73 of 4See more

ocean-vpa spot 1.0.7

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

Container imageDigestPackageFixed in
registry.k8s.io/autoscaling/vpa-admission-controller:1.6.080e487edff02
stdlib@go1.25.7
1.25.10
registry.k8s.io/autoscaling/vpa-updater:1.6.0b39d1dfa19cb
stdlib@go1.25.7
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.136d05b4077fb
stdlib@go1.22.2
1.25.10

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1,208
spotinst-ocean-network-clientspot1.0.01 of 1See more

spotinst-ocean-network-client spot 1.0.0

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

Container imageDigestPackageFixed in
public.ecr.aws/spotinst/spot-network-client:1.0.0-8-lb_endpoint-d0ec127efcecf98b912
stdlib@go1.16.5
1.25.10

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69,122
airflowsqream-chartsVerified publisher1.17.01 of 4See more

airflow sqream-charts 1.17.0

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

Container imageDigestPackageFixed in
quay.io/prometheus/statsd-exporter:v0.27.29ed70604d941
stdlib@go1.22.8
1.25.10

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1,916
ambassador-manifestssqream-chartsVerified publisher0.6.31 of 1See more

ambassador-manifests sqream-charts 0.6.3

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

Container imageDigestPackageFixed in
datawire/aes:3.11.195ec30b3c732
stdlib@go1.22.4
1.25.10

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2,444
sqs-prometheus-exportersqs-prometheus-exporterVerified publisher2.0.31 of 1See more

sqs-prometheus-exporter sqs-prometheus-exporter 2.0.3

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

Container imageDigestPackageFixed in
ghcr.io/jmriebold/sqs-prometheus-exporter:1.1.07564828ab7cb
stdlib@go1.24.0
1.25.10

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371
pagessrinipages1.0.01 of 3See more

pages srinipages 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
servicexssl-hep1.8.61 of 16See more

servicex ssl-hep 1.8.6

1 of the 16 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
bitnamilegacy/minio:2022.12.12-debian-11-r90f7c8ac484ac
stdlib@go1.18.9
1.25.10

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57,809
ecr-cleanersstarcher0.1.1+d13a1ab1 of 1See more

ecr-cleaner sstarcher 0.1.1+d13a1ab

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

Container imageDigestPackageFixed in
sstarcher/ecr-cleaner:0.1.12d43c390cb19
stdlib@go1.14.2
1.25.10

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2,571
kube-ebs-taggersstarcher0.1.0+7abf4f71 of 1See more

kube-ebs-tagger sstarcher 0.1.0+7abf4f7

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

Container imageDigestPackageFixed in
sstarcher/kube-ebs-tagger:0.1.01f8cae8cfa80
stdlib@go1.13.9
1.25.10

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3,094
prestashopstack-prestahop22.0.01 of 4See more

prestashop stack-prestahop 22.0.0

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

Container imageDigestPackageFixed in
filebrowser/filebrowser:v2.23.086e8449ff8ff
stdlib@go1.18.3
1.25.10

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3,093
retail-store-sample-catalog-chartstacksimplifyVerified publisher2.0.01 of 1See more

retail-store-sample-catalog-chart stacksimplify 2.0.0

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

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-catalog:1.3.0b654b266fa32
stdlib@go1.24.6
1.25.10

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774
allurestakaterVerified publisher1.0.11 of 1See more

allure stakater 1.0.1

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

Container imageDigestPackageFixed in
quay.io/eformat/jenkins-agent-graalvm:latesta3b9a07648b6
stdlib@go1.16.6
1.25.10

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29,097
external-secretsstakaterVerified publisher0.3.12-40dbdfc1 of 1See more

external-secrets stakater 0.3.12-40dbdfc

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

Container imageDigestPackageFixed in
ghcr.io/external-secrets/external-secrets:v0.3.1156a1ea4490ba
stdlib@go1.17.5
1.25.10

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2,089
jenkinsstakaterVerified publisher0.21.01 of 1See more

jenkins stakater 0.21.0

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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2,766
k8scostoptimizerstakaterVerified publisher0.0.51 of 1See more

k8scostoptimizer stakater 0.0.5

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

Container imageDigestPackageFixed in
stakater/k8s-cost-optimizer:v0.0.5450415ce1b4e
stdlib@go1.17.8
1.25.10

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1,414
konfiguratorstakaterVerified publisher0.1.391 of 1See more

konfigurator stakater 0.1.39

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

Container imageDigestPackageFixed in
stakater/konfigurator:v0.1.393409565b1ef5
stdlib@go1.17.13
1.25.10

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1,276
proxyinjectorstakaterVerified publisher0.0.231 of 1See more

proxyinjector stakater 0.0.23

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

Container imageDigestPackageFixed in
stakater/proxyinjector:v0.0.2383fef483d497
stdlib@go1.13.1
1.25.10

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2,850
tronadorstakaterVerified publisher0.0.11 of 1See more

tronador stakater 0.0.1

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

Container imageDigestPackageFixed in
stakater/tronador:v0.0.137ce9acf2722
stdlib@go1.15.11
1.25.10

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2,170
vaultstakaterVerified publisher0.8.42 of 2See more

vault stakater 0.8.4

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

Container imageDigestPackageFixed in
hashicorp/vault:1.8.4dfc3500beb0e
stdlib@go1.16.7
1.25.10
hashicorp/vault-k8s:0.14.0aff47b5ba39c
stdlib@go1.17.2
1.25.10

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5,872
whitelisterstakaterVerified publisher0.0.161 of 1See more

whitelister stakater 0.0.16

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

Container imageDigestPackageFixed in
stakater/whitelister:v0.0.1639107924063e
stdlib@go1.13.1
1.25.10

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2,561
workshop-operatorstakaterVerified publisher0.0.381 of 2See more

workshop-operator stakater 0.0.38

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

Container imageDigestPackageFixed in
stakater/workshop-operator:v0.0.3897bf456cc97c
stdlib@go1.16.13
1.25.10

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6,749
stakefishstakefish0.1.06 of 8See more

stakefish stakefish 0.1.0

6 of the 8 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
prom/prometheus:v2.52.05c435642ca4d
stdlib@go1.22.3
1.25.10
quay.io/prometheus-operator/prometheus-config-reloader:v0.73.2706cde441321
stdlib@go1.22.2
1.25.10
quay.io/prometheus/alertmanager:v0.27.0e13b6ed5cb92
stdlib@go1.21.7
1.25.10
quay.io/prometheus/node-exporter:v1.8.08a57af80a4c7
stdlib@go1.22.2
1.25.10
quay.io/prometheus/pushgateway:v1.8.0c159e946abf4
stdlib@go1.22.1
1.25.10
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.12.0b401fae262a5
stdlib@go1.21.8
1.25.10

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20,965
erigonstakewise2.61.21 of 3See more

erigon stakewise 2.61.2

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

Container imageDigestPackageFixed in
erigontech/erigon:v2.61.288706754b627
stdlib@go1.22.12
1.25.10

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3,139
ipfsstakewise2.2.01 of 2See more

ipfs stakewise 2.2.0

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

Container imageDigestPackageFixed in
ipfs/kubo:v0.33.21a30f5ed8579
stdlib@go1.23.6
1.25.10

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1,273
lodestar-validatorstakewise1.2.01 of 1See more

lodestar-validator stakewise 1.2.0

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

Container imageDigestPackageFixed in
chainsafe/lodestar:v1.27.07b9fe4aa8073
stdlib@go1.20.12
1.25.10

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4,340
mev-booststakewise1.7.41 of 1See more

mev-boost stakewise 1.7.4

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

Container imageDigestPackageFixed in
flashbots/mev-boost:1.8.07c486b5789da
stdlib@go1.22.6
1.25.10

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1,276
operatorstakewise2.1.11 of 5See more

operator stakewise 2.1.1

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

Container imageDigestPackageFixed in
ethereum/client-go:v1.10.15d99fbb9585c7
stdlib@go1.17.5
1.25.10

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6,752
ssv-nodestakewise2.2.01 of 2See more

ssv-node stakewise 2.2.0

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

Container imageDigestPackageFixed in
bloxstaking/ssv-node:v2.2.0bf6d7d2fdc93
stdlib@go1.22.11
1.25.10

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7,309
v3-backendstakewise3.6.01 of 5See more

v3-backend stakewise 3.6.0

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

Container imageDigestPackageFixed in
ipfs/kubo:v0.33.21a30f5ed8579
stdlib@go1.23.6
1.25.10

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1,273
mediamtxstartechnicaVerified publisher0.1.11 of 1See more

mediamtx startechnica 0.1.1

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

Container imageDigestPackageFixed in
bluenviron/mediamtx:1.17.19e39256d1ba3
stdlib@go1.25.8
1.25.10

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575
open-appsec-injectorstartechnicaVerified publisher1.1.22 of 3See more

open-appsec-injector startechnica 1.1.2

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

Container imageDigestPackageFixed in
ghcr.io/openappsec/smartsync:latest580d68c50cc7
stdlib@go1.18.10
1.25.10
ghcr.io/openappsec/smartsync-shared-files:latest30c1daa0b33e
stdlib@go1.18.10
1.25.10

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4,562
unifistartechnicaVerified publisher0.1.31 of 2See more

unifi startechnica 0.1.3

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

Container imageDigestPackageFixed in
jacobalberty/unifi:v7.1.664a3616625dda
stdlib@go1.18
1.25.10

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15,094
argocd-operatorstatcan0.5.01 of 1See more

argocd-operator statcan 0.5.0

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

Container imageDigestPackageFixed in
quay.io/argoprojlabs/argocd-operator:v0.4.0cf8faa986789
stdlib@go1.18.4
1.25.10

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1,983
cost-analyzerstatcan1.82.24 of 9See more

cost-analyzer statcan 1.82.2

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

Container imageDigestPackageFixed in
grafana/grafana:7.5.609bb407e26ab
stdlib@go1.16.1
1.25.10
prom/prometheus:v2.22.2f7ffebdd428b
stdlib@go1.15.5
1.25.10
gcr.io/kubecost1/cost-model:prod-1.82.2989a60847416
stdlib@go1.16.5
1.25.10
gcr.io/kubecost1/server:prod-1.82.22b1a3d08caac
stdlib@go1.16.5
1.25.10

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16,586
fluentd-operatorstatcan0.5.11 of 1See more

fluentd-operator statcan 0.5.1

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

Container imageDigestPackageFixed in
vmware/kube-fluentd-operator:latestf028c138a5f4
stdlib@go1.21.7
1.25.10

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1,983
ingress-istio-controllerstatcan1.4.01 of 1See more

ingress-istio-controller statcan 1.4.0

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

Container imageDigestPackageFixed in
statcan/ingress-istio-controller:1.4.0d7d6bd180c46
stdlib@go1.18.10
1.25.10

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1,580
minio-operatorstatcan4.1.01 of 2See more

minio-operator statcan 4.1.0

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

Container imageDigestPackageFixed in
minio/operator:v4.1.02adc5be088f5
stdlib@go1.16.3
1.25.10

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6,683
prometheus-operatorstatcan0.2.24 of 7See more

prometheus-operator statcan 0.2.2

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

Container imageDigestPackageFixed in
grafana/grafana:7.0.3d72946c8e5d5
stdlib@go1.14.3
1.25.10
jettech/kube-webhook-certgen:v1.2.1c42098c8d855
stdlib@go1.13.11
1.25.10
squareup/ghostunnel:v1.5.270f4cf270425
stdlib@go1.13.4
1.25.10
quay.io/prometheus/node-exporter:v1.0.08a3a33cad0bd
stdlib@go1.14.3
1.25.10

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12,275
sidecar-terminatorstatcan1.3.51 of 1See more

sidecar-terminator statcan 1.3.5

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

Container imageDigestPackageFixed in
statcan/kubernetes-sidecar-terminator:2.0.2bc361ee7748f
stdlib@go1.19.10
1.25.10

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1,312
starboard-operatorstatcan0.10.41 of 1See more

starboard-operator statcan 0.10.4

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

Container imageDigestPackageFixed in
aquasec/starboard-operator:0.15.4be34f709e1ce
stdlib@go1.17.8
1.25.10

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1,834
vaultstatcan0.1.81 of 2See more

vault statcan 0.1.8

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

Container imageDigestPackageFixed in
hashicorp/vault-k8s:0.6.05697b85bc69a
stdlib@go1.13.5
1.25.10

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4,222
static-src-people-detector-appstatic-src-people-detector-chartVerified publisher1.5.51 of 6See more

static-src-people-detector-app static-src-people-detector-chart 1.5.5

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

Container imageDigestPackageFixed in
library/mongo:4.4.18d23ec07162ca
stdlib@go1.17.10
1.25.10

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14,010

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.