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
4,218
of 17,985 indexed, latest versions
Container images
4,748
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 4,218 of 17,985 indexed charts deploy, on 4,748 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+183 more1.25.104,748
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

4,218 by stars
ChartLatestAffected imagesRadar Score
waardepapierenwaardepapieren1.0.01 of 3See more

waardepapieren waardepapieren 1.0.0

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

Container imageDigestPackageFixed in
ghcr.io/conductionnl/waardepapieren-php:latestb2666ffcbad8
stdlib@go1.13.10
1.25.10

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9,969
waardepapieren-baliewaardepapieren-balie1.0.01 of 3See more

waardepapieren-balie waardepapieren-balie 1.0.0

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

Container imageDigestPackageFixed in
ghcr.io/conductionnl/waardepapieren-balie-php:latestf36c423cd259
stdlib@go1.13.10
1.25.10

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9,645
waardepapieren-registerwaardepapieren-register1.1.01 of 4See more

waardepapieren-register waardepapieren-register 1.1.0

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

Container imageDigestPackageFixed in
ghcr.io/conductionnl/waardepapieren-register-php:latest9affab218351
stdlib@go1.13.10
1.25.10

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9,173
waldurwaldur-chartsVerified publisher8.1.21 of 3See more

waldur waldur-charts 8.1.2

1 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

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5,772
azure-metrics-exporterwebdevopsVerified publisher1.2.111 of 1See more

azure-metrics-exporter webdevops 1.2.11

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

Container imageDigestPackageFixed in
webdevops/azure-metrics-exporter:25.12.01d3b453fba99
stdlib@go1.25.5
1.25.10

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732
webhookswebhooks0.1.51 of 1See more

webhooks webhooks 0.1.5

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

Container imageDigestPackageFixed in
ghcr.io/thecatlady/webhook:2.8.0f04718704dab
stdlib@go1.20.1
1.25.10

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2,524
webhook-testerwebhook-testerVerified publisher2.3.01 of 1See more

webhook-tester webhook-tester 2.3.0

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

Container imageDigestPackageFixed in
ghcr.io/tarampampam/webhook-tester:2.3.085818267b450
stdlib@go1.26.2
1.25.10

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376
well-knownwell-knownOfficialVerified publisher1.11.01 of 1See more

well-known well-known 1.11.0

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

Container imageDigestPackageFixed in
ghcr.io/stenic/well-known:1.11.0ae85f257a10f
stdlib@go1.24.13
1.25.10

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447
frpcwener1.0.11 of 1See more

frpc wener 1.0.1

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

Container imageDigestPackageFixed in
wener/frpc:v0.37.0cc9fd4da44c0
stdlib@go1.17.3
1.25.10

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4,257
frpswener1.0.11 of 1See more

frps wener 1.0.1

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

Container imageDigestPackageFixed in
wener/frps:v0.37.05c92cc9e8597
stdlib@go1.17.3
1.25.10

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4,257
prometheus-snmp-exporterwener9.18.11 of 1See more

prometheus-snmp-exporter wener 9.18.1

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

Container imageDigestPackageFixed in
quay.io/prometheus/snmp-exporter:v0.30.1e5fd5e8b43ac
stdlib@go1.25.5
1.25.10

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732
seaweedfswener2.92.01 of 1See more

seaweedfs wener 2.92.0

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

Container imageDigestPackageFixed in
chrislusf/seaweedfs:2.92db095fe8a8d6
stdlib@go1.17.7
1.25.10

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3,650
cockroachdbwenerme22.0.41 of 3See more

cockroachdb wenerme 22.0.4

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

Container imageDigestPackageFixed in
cockroachdb/cockroach-self-signer-cert:1.10b0fcc6c8147a
stdlib@go1.26.2
1.25.10

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472
frpswenerme1.0.11 of 1See more

frps wenerme 1.0.1

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

Container imageDigestPackageFixed in
wener/frps:v0.37.05c92cc9e8597
stdlib@go1.17.3
1.25.10

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4,257
ingress-nginxwenerme4.15.12 of 2See more

ingress-nginx wenerme 4.15.1

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

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.15.1594ceea76b01
stdlib@go1.26.1
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.6.901038e7de14b
stdlib@go1.26.1
1.25.10

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1,953
natswenerme2.15.01 of 3See more

nats wenerme 2.15.0

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

Container imageDigestPackageFixed in
natsio/nats-server-config-reloader:0.23.064cb6c858e79
stdlib@go1.25.6
1.25.10

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2,478
prometheus-blackbox-exporterwenerme11.19.11 of 1See more

prometheus-blackbox-exporter wenerme 11.19.1

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

Container imageDigestPackageFixed in
quay.io/prometheus/blackbox-exporter:v0.28.0e753ff9f3fc4
stdlib@go1.25.5
1.25.10

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820
wharf-ainowharf-helmVerified publisher0.1.55 of 7See more

wharf-aino wharf-helm 0.1.5

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

Container imageDigestPackageFixed in
quay.io/iver-wharf/wharf-api:v5.2.0b736b345437d
stdlib@go1.18.1
1.25.10
quay.io/iver-wharf/wharf-cmd:v0.8.2e98d13459cdc
stdlib@go1.18.2
1.25.10
quay.io/iver-wharf/wharf-provider-azuredevops:v3.0.12fe7e4dcffdf
stdlib@go1.18.2
1.25.10
quay.io/iver-wharf/wharf-provider-github:v3.0.177a22cb45c2a
stdlib@go1.18.2
1.25.10
quay.io/iver-wharf/wharf-provider-gitlab:v2.0.1d7079e0890da
stdlib@go1.18.2
1.25.10

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17,480
wharf-cmdwharf-helmVerified publisher0.3.31 of 1See more

wharf-cmd wharf-helm 0.3.3

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

Container imageDigestPackageFixed in
quay.io/iver-wharf/wharf-cmd:v0.8.2e98d13459cdc
stdlib@go1.18.2
1.25.10

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4,233
spark-operatorwikimedia2.2.71 of 1See more

spark-operator wikimedia 2.2.7

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

Container imageDigestPackageFixed in
ghcr.io/kubeflow/spark-operator/controller:2.2.1865ff4da5686
stdlib@go1.24.1
1.25.10

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58,087
external-monitoringwiremindVerified publisher0.3.01 of 1See more

external-monitoring wiremind 0.3.0

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

Container imageDigestPackageFixed in
quay.io/prometheus/blackbox-exporter:v0.24.03af31f8bd1ad
stdlib@go1.20.4
1.25.10

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1,806
kubemodwiremindVerified publisher0.1.51 of 2See more

kubemod wiremind 0.1.5

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

Container imageDigestPackageFixed in
kubemod/kubemod:v0.13.0cadca39288ad
stdlib@go1.14.7
1.25.10

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4,059
db-backup-retentionwjentner-chartsVerified publisher1.1.01 of 1See more

db-backup-retention wjentner-charts 1.1.0

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

Container imageDigestPackageFixed in
ghcr.io/wjentner/k8s-db-backup-retention:v1.1.08027bb46d1f4
stdlib@go1.23.5
1.25.10

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1,461
wordpress-e2e-setupwoocommerce-e2e-setup0.1.11 of 2See more

wordpress-e2e-setup woocommerce-e2e-setup 0.1.1

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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8,972
wordpress-helmwordpress-helm0.2.91 of 4See more

wordpress-helm wordpress-helm 0.2.9

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

Container imageDigestPackageFixed in
library/mysql:80744ee5ef89c
stdlib@go1.24.6
1.25.10

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9,436
workflows-informerworkflows-informerVerified publisher0.4.41 of 1See more

workflows-informer workflows-informer 0.4.4

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

Container imageDigestPackageFixed in
registry.gitlab.com/dyff/workflows-informer:0.4.4bfbadc49635d
stdlib@go1.20.14
1.25.10

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1,700
wraftwraft0.1.123 of 9See more

wraft wraft 0.1.12

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

Container imageDigestPackageFixed in
library/postgres:14-alpine1a916758fce6
stdlib@go1.24.6
1.25.10
quay.io/minio/minio:RELEASE.2023-07-21T21-12-44Z8e5e9490cd50
stdlib@go1.19.11
1.25.10
quay.io/wraft/wraft-frontend:latestf1bbbd5e9bb9
stdlib@go1.23.10
1.25.10

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10,776
pi-hole-exporterwyrihaximusnetVerified publisher0.1.31 of 1See more

pi-hole-exporter wyrihaximusnet 0.1.3

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

Container imageDigestPackageFixed in
ekofr/pihole-exporter:0.0.109fdad6f352e0
stdlib@go1.14.7
1.25.10

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2,811
redis-db-assignment-operatorwyrihaximusnetVerified publisher1.0.61 of 1See more

redis-db-assignment-operator wyrihaximusnet 1.0.6

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

Container imageDigestPackageFixed in
ghcr.io/wyrihaximusnet/kubernetes-redis-db-assignment-operator:v1.0.831060be60bec
stdlib@go1.16.15
1.25.10

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3,078
x402-k8s-operatorx402-k8s-operator0.1.01 of 2See more

x402-k8s-operator x402-k8s-operator 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/razvanmacovei/x402-k8s-operator:0.1.0bf3407fad182
stdlib@go1.25.7
1.25.10

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464
prometheusalertxxl-job-adminVerified publisher1.4.01 of 1See more

prometheusalert xxl-job-admin 1.4.0

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

Container imageDigestPackageFixed in
feiyu563/prometheus-alert:v4.9.28192368b0578
stdlib@go1.20.6
1.25.10

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1,662
heistyouniqx-ossVerified publisher1.1.2091 of 1See more

heist youniqx-oss 1.1.209

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

Container imageDigestPackageFixed in
quay.io/youniqx/heist:v1.1.209c43b3a9d98ae
stdlib@go1.22.7
1.25.10

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1,136
yugawareyugabyteVerified publisher2026.1.21 of 5See more

yugaware yugabyte 2026.1.2

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

Container imageDigestPackageFixed in
library/postgres:14.232f439458ab6a
stdlib@go1.24.6
1.25.10

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2,190
tailscale-relayzeet0.1.51 of 1See more

tailscale-relay zeet 0.1.5

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

Container imageDigestPackageFixed in
zeetdev/tailscale-relay:v1.24.21967aa2840b6
stdlib@go1.18.1-ts710a0d8610
1.25.10

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3,004
crowdsec-web-uizekker6Verified publisher0.53.01 of 1See more

crowdsec-web-ui zekker6 0.53.0

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

Container imageDigestPackageFixed in
ghcr.io/theduffman85/crowdsec-web-ui:2026.9.2714d62ccd80c
stdlib@go1.24.4
1.25.10

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1,687
cloudflare-zero-trust-operatorzelic-io0.7.11 of 1See more

cloudflare-zero-trust-operator zelic-io 0.7.1

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

Container imageDigestPackageFixed in
ghcr.io/bojanzelic/cloudflare-zero-trust-operator:0.7.1f4b2dbc19a78
stdlib@go1.23.4
1.25.10

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906
velero-notificationszokeber-velero-notificationsVerified publisher0.1.101 of 2See more

velero-notifications zokeber-velero-notifications 0.1.10

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

Container imageDigestPackageFixed in
ghcr.io/zokeber/velero-notifications:0.0.176d84f6c4ce20
stdlib@go1.25.8
1.25.10

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931
backendzymtraceOfficialVerified publisher26.10.01 of 6See more

backend zymtrace 26.10.0

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

Container imageDigestPackageFixed in
library/postgres:17.4304ab8135187
stdlib@go1.18.2
1.25.10

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10,752
aaqaaqVerified publisher0.3.01 of 1See more

aaq aaq 0.3.0

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

Container imageDigestPackageFixed in
quay.io/kubevirt/aaq-operator:v1.7.0d28a2daa5b15
stdlib@go1.24.12
1.25.10

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1,246
abstract-nodeabstract-nodeVerified publisher0.1.491 of 2See more

abstract-node abstract-node 0.1.49

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

Container imageDigestPackageFixed in
ghcr.io/abstract-foundation/zksync-external-node-sidecar:v1.0.03e705d0eb1ce
stdlib@go1.18.10
1.25.10

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5,419
rabbitmq-cluster-operatoradeptia-automate-operator5.2.02 of 2See more

rabbitmq-cluster-operator adeptia-automate-operator 5.2.0

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

Container imageDigestPackageFixed in
adeptiainc/adeptia-connect-rabbitmq-cluster-operator:5.2cf610f8c614c
stdlib@go1.25.7
1.25.10
adeptiainc/adeptia-connect-rabbitmq-messaging-topology-operator:5.27cdf6ac2e738
stdlib@go1.25.7
1.25.10

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925
jenkinsaditisingh-jenkins1.0.01 of 1See more

jenkins aditisingh-jenkins 1.0.0

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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3,140
activepiecesadnoctemVerified publisher0.6.01 of 1See more

activepieces adnoctem 0.6.0

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

Container imageDigestPackageFixed in
activepieces/activepieces:0.91.058414dfc94c4
stdlib@go1.23.5
1.25.10

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1,795
gobackupadnoctemVerified publisher0.4.01 of 1See more

gobackup adnoctem 0.4.0

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

Container imageDigestPackageFixed in
huacnlee/gobackup:v3.1.1560be93229a5
stdlib@go1.20.12
1.25.10

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2,407
linkwardenadnoctemVerified publisher0.5.11 of 2See more

linkwarden adnoctem 0.5.1

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

Container imageDigestPackageFixed in
ghcr.io/linkwarden/linkwarden:v2.16.30664c28a039b
stdlib@go1.23.7
1.25.10

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4,768
popeyeadnoctemVerified publisher0.3.01 of 1See more

popeye adnoctem 0.3.0

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

Container imageDigestPackageFixed in
derailed/popeye:v0.22.18e68e22c7663
stdlib@go1.23.5
1.25.10

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1,789
uptime-kumaadnoctemVerified publisher0.4.11 of 1See more

uptime-kuma adnoctem 0.4.1

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:2.5.4917318f9d7be
stdlib@go1.20.5
1.25.10

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33,885
adresserviceadresservice1.1.01 of 5See more

adresservice adresservice 1.1.0

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

Container imageDigestPackageFixed in
ghcr.io/conductionnl/adresservice-php:latestc5075f0320cd
stdlib@go1.13.10
1.25.10

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9,191
bootaerokube1.0.13 of 4See more

boot aerokube 1.0.1

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

Container imageDigestPackageFixed in
quay.io/aerokube/boot:1.0.13c269612053f
stdlib@go1.22.2
1.25.10
quay.io/aerokube/keygen:1.0.1578934444f04
stdlib@go1.20.5
1.25.10
quay.io/aerokube/reloader:1.0.1e4a3661416a5
stdlib@go1.22.2
1.25.10

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9,580
browser-opsaerokube2.6.71 of 1See more

browser-ops aerokube 2.6.7

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

Container imageDigestPackageFixed in
quay.io/aerokube/browser-ops:2.6.7807c1bb67086
stdlib@go1.22.2
1.25.10

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925

Container images carrying it

4,748 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.