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
thanos-query-frontendsb-helm-charts0.3.01 of 1See more

thanos-query-frontend 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-receivesb-helm-charts0.3.01 of 1See more

thanos-receive 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-rulersb-helm-charts0.3.01 of 1See more

thanos-ruler 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-sidecarsb-helm-charts0.3.01 of 1See more

thanos-sidecar 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-storesb-helm-charts0.3.01 of 1See more

thanos-store 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
wordpresssb-helm-charts0.4.01 of 2See more

wordpress sb-helm-charts 0.4.0

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

Container imageDigestPackageFixed in
library/mysql:8.0-debian9382e4f6f7f0
stdlib@go1.24.6
1.25.10

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14,420
ed-traefikscaleway-charts0.2.01 of 1See more

ed-traefik scaleway-charts 0.2.0

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

Container imageDigestPackageFixed in
library/traefik:v1.7.345d47b7bb2546
stdlib@go1.16.12
1.25.10

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2,148
ed-traefik2scaleway-charts0.2.01 of 1See more

ed-traefik2 scaleway-charts 0.2.0

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

Container imageDigestPackageFixed in
library/traefik:2.5.62f603f8d3abe
stdlib@go1.17.5
1.25.10

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3,175
postgresscalified-postgresVerified publisher18.4.01 of 1See more

postgres scalified-postgres 18.4.0

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

Container imageDigestPackageFixed in
library/postgres:18.4a02db8cac496
stdlib@go1.24.6
1.25.10

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1,944
sonarqubescalified-sonarqubeVerified publisher26.9.01 of 2See more

sonarqube scalified-sonarqube 26.9.0

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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314
scalyr-k8snode-managerscalyr-k8snode-managerVerified publisher0.1.71 of 1See more

scalyr-k8snode-manager scalyr-k8snode-manager 0.1.7

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

Container imageDigestPackageFixed in
ghcr.io/dodevops/scalyr-k8snode-manager:latestfc39fcdd3968
stdlib@go1.18.1
1.25.10

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2,157
cert-manager-webhook-cloudnsschichtelVerified publisher1.2.01 of 1See more

cert-manager-webhook-cloudns schichtel 1.2.0

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

Container imageDigestPackageFixed in
ghcr.io/pschichtel/cert-manager-webhook-cloudns:1.1.01020638bbe23
stdlib@go1.21.6
1.25.10

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1,420
cosischichtelVerified publisher0.1.01 of 1See more

cosi schichtel 0.1.0

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

Container imageDigestPackageFixed in
gcr.io/k8s-staging-sig-storage/objectstorage-controller:v20221027-v0.1.1-8-g300019fa84b574e8027
stdlib@go1.18.3
1.25.10

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1,315
crproxyschichtelVerified publisher0.1.41 of 1See more

crproxy schichtel 0.1.4

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

Container imageDigestPackageFixed in
ghcr.io/daocloud/crproxy/crproxy:v0.8.0ee1eb3c9c9a1
stdlib@go1.21.11
1.25.10

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1,397
draytek-exporterschichtelVerified publisher0.2.41 of 1See more

draytek-exporter schichtel 0.2.4

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

Container imageDigestPackageFixed in
quay.io/superq/draytek-exporter:v0.2.03b577bdceaae
stdlib@go1.25.4
1.25.10

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533
gickupschichtelVerified publisher0.0.41 of 1See more

gickup schichtel 0.0.4

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

Container imageDigestPackageFixed in
buddyspencer/gickup:0.10.386b656f19b0c1
stdlib@go1.22.5
1.25.10

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1,570
photonschichtelVerified publisher0.2.01 of 1See more

photon schichtel 0.2.0

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

Container imageDigestPackageFixed in
rtuszik/photon-docker:2.4.021549c60f9e6
stdlib@go1.22.2
1.25.10

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3,265
rabbitmq-cluster-operatorschichtelVerified publisher0.1.81 of 1See more

rabbitmq-cluster-operator schichtel 0.1.8

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

Container imageDigestPackageFixed in
ghcr.io/rabbitmq/cluster-operator:2.17.25d690e6cd856
stdlib@go1.25.4
1.25.10

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325
rabbitmq-topology-operatorschichtelVerified publisher0.1.91 of 1See more

rabbitmq-topology-operator schichtel 0.1.9

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

Container imageDigestPackageFixed in
quay.io/rabbitmqoperator/messaging-topology-operator:1.18.1f97c36882244
stdlib@go1.24.6
1.25.10

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391
satisfactoryschichtelVerified publisher0.3.31 of 1See more

satisfactory schichtel 0.3.3

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

Container imageDigestPackageFixed in
wolveix/satisfactory-server:v1.9.9464d11e36e10
stdlib@go1.18.1
1.25.10

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3,773
unifi-protectschichtelVerified publisher0.10.11 of 1See more

unifi-protect schichtel 0.10.1

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

Container imageDigestPackageFixed in
markdegroot/unifi-protect-arm64:latestd8445f2a0de6
stdlib@go1.20.2
1.25.10

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5,786
cert-manager-desec-webhookschmitzis0.0.11 of 1See more

cert-manager-desec-webhook schmitzis 0.0.1

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

Container imageDigestPackageFixed in
su541/cert-manager-desec-webhook:latest371ee33f83c1
stdlib@go1.19.10
1.25.10

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1,792
cert-manager-webhook-bunnyschmitzis0.1.11 of 1See more

cert-manager-webhook-bunny schmitzis 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/schmitzis/cert-manager-webhook-bunny:latest125e31c8e85a
stdlib@go1.19.13
1.25.10

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1,520
icinga2-masterschmitzis0.2.01 of 6See more

icinga2-master schmitzis 0.2.0

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

Container imageDigestPackageFixed in
grafana/grafana:8.0.3696823fbc561
stdlib@go1.16.1
1.25.10

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3,743
outlineschmitzis0.0.81 of 4See more

outline schmitzis 0.0.8

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

Container imageDigestPackageFixed in
outlinewiki/outline:0.69.1d060dcd8f9aa
stdlib@go1.19.4
1.25.10

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4,642
seafileschmitzis13.0.131 of 4See more

seafile schmitzis 13.0.13

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

Container imageDigestPackageFixed in
seafileltd/notification-server:13.0.211cac4101d0f4
stdlib@go1.26.2
1.25.10

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43,152
version-checkerschmitzis0.2.21 of 1See more

version-checker schmitzis 0.2.2

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

Container imageDigestPackageFixed in
quay.io/jetstack/version-checker:v0.2.15f6f8ba0b671
stdlib@go1.15.2
1.25.10

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3,021
vikunjaschmitzis1.0.01 of 3See more

vikunja schmitzis 1.0.0

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

Container imageDigestPackageFixed in
vikunja/vikunja:0.24.6ed1f3ed467fe
stdlib@go1.23.4
1.25.10

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4,378
uptime-kumaschoenwald1.0.101 of 1See more

uptime-kuma schoenwald 1.0.10

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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33,246
openldapschoolguys-helmcharts0.1.31 of 1See more

openldap schoolguys-helmcharts 0.1.3

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

Container imageDigestPackageFixed in
osixia/openldap:1.5.018742e9c449c
stdlib@go1.15.5
1.25.10

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3,315
restic-serverschoolguys-helmcharts0.3.11 of 1See more

restic-server schoolguys-helmcharts 0.3.1

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

Container imageDigestPackageFixed in
restic/rest-server:0.14.0d2aff06f47eb
stdlib@go1.24.3
1.25.10

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2,347
satisfactory-serverschoolguys-helmcharts0.1.81 of 1See more

satisfactory-server schoolguys-helmcharts 0.1.8

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

Container imageDigestPackageFixed in
ghcr.io/wolveix/satisfactory-server:v1.9.10e0f2f8c97598
stdlib@go1.18.1
1.25.10

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3,673
cernboxsciencebox0.0.41 of 6See more

cernbox sciencebox 0.0.4

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

Container imageDigestPackageFixed in
cs3org/revad:v1.19.03b57a34a7dfd
stdlib@go1.17.3
1.25.10

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2,361
ldap-instance-configsciencebox0.0.11 of 1See more

ldap-instance-config sciencebox 0.0.1

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

Container imageDigestPackageFixed in
osixia/openldap:1.5.018742e9c449c
stdlib@go1.15.5
1.25.10

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3,315
centralbrainsciencemeshVerified publisher0.0.34 of 5See more

centralbrain sciencemesh 0.0.3

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

Container imageDigestPackageFixed in
grafana/grafana:7.3.315b977f5207d
stdlib@go1.15.1
1.25.10
jimmidyson/configmap-reload:v0.4.017d34fd73f9e
stdlib@go1.14.4
1.25.10
quay.io/prometheus/node-exporter:v1.0.1cf66a6bbd573
stdlib@go1.14.4
1.25.10
quay.io/prometheus/prometheus:v2.22.1b899dbd1b901
stdlib@go1.15.3
1.25.10

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9,771
seafileseafileVerified publisher0.12.11 of 1See more

seafile seafile 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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77,112
sealed-secrets-uisealed-secrets-uiVerified publisher0.0.81 of 1See more

sealed-secrets-ui sealed-secrets-ui 0.0.8

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

Container imageDigestPackageFixed in
ghcr.io/noahburrell0/sealed-secrets-ui:v0.1.47e7368fb472d
stdlib@go1.19.4
1.25.10

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4,932
hermitcrabseal-ioVerified publisher0.1.42 of 2See more

hermitcrab seal-io 0.1.4

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

Container imageDigestPackageFixed in
sealio/hermitcrab:v0.1.4a326a2f03660
stdlib@go1.21.6
1.25.10
sealio/terraform-deployer:v1.5.7-seal.1b0389d9848a5
stdlib@go1.20.7
1.25.10

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4,900
searchpesearchpe4.1.01 of 2See more

searchpe searchpe 4.1.0

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

Container imageDigestPackageFixed in
library/postgres:13.703652c675ae1
stdlib@go1.16.7
1.25.10

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2,665
seashellsseashells1.0.01 of 1See more

seashells seashells 1.0.0

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

Container imageDigestPackageFixed in
rokk42/seashells:1.0-k8sdfc850a5db9e
stdlib@go1.22.3
1.25.10

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822
seaweedfs-operatorseaweedfs-operatorVerified publisher1.5.82 of 3See more

seaweedfs-operator seaweedfs-operator 1.5.8

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

Container imageDigestPackageFixed in
ghcr.io/nnstd/seaweedfs-operator:1.43ebe2fd253f6
stdlib@go1.24.5
1.25.10
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20231011-8b53cabe0a7943503b45d
stdlib@go1.21.3
1.25.10

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2,126
wallabagsebtiz13-chartsVerified publisher0.6.01 of 1See more

wallabag sebtiz13-charts 0.6.0

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

Container imageDigestPackageFixed in
wallabag/wallabag:2.6.144a527e027e0d
stdlib@go1.25.1
1.25.10

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1,159
secret-managersecret-managerVerified publisher1.0.03 of 4See more

secret-manager secret-manager 1.0.0

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

Container imageDigestPackageFixed in
leonardomulticloud/svc-vault:v1.0.0e4acd2fbb7b1
stdlib@go1.23.1
1.25.10
leonardomulticloud/webhook:v1.0.0d119918900e8
stdlib@go1.22.6
1.25.10
library/mysql:9.0.192dc86967801
stdlib@go1.18.2
1.25.10

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5,747
secrets-bridgesecrets-bridge0.2.01 of 1See more

secrets-bridge secrets-bridge 0.2.0

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

Container imageDigestPackageFixed in
ghcr.io/haydercyber/secrets-bridge:0.2.04709f1bb3039
stdlib@go1.24.13
1.25.10

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401
aws-secretssecretsprovider0.1.01 of 1See more

aws-secrets secretsprovider 0.1.0

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

Container imageDigestPackageFixed in
public.ecr.aws/aws-secrets-manager/secrets-store-csi-driver-provider-aws:1.0.r1-10-g1942553-2021.06.04.00.07-linux-amd64b32c99e7bc45
stdlib@go1.15.8
1.25.10

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2,220
secretssecrets-proxy1.0.61 of 1See more

secrets secrets-proxy 1.0.6

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

Container imageDigestPackageFixed in
udhos/secrets:1.0.6daa2b4eaac09
stdlib@go1.24.2
1.25.10

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1,269
secret-syncsecret-syncVerified publisher0.1.111 of 1See more

secret-sync secret-sync 0.1.11

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

Container imageDigestPackageFixed in
csepulvedab/secret-sync:0.5227a6f2b0ff8
stdlib@go1.19.4
1.25.10

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1,448
cloudflaredsectionmeVerified publisher2022.3.41 of 1See more

cloudflared sectionme 2022.3.4

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

Container imageDigestPackageFixed in
quay.io/giantswarm/cloudflared:2022.3.40b20d2fe9a6b
stdlib@go1.17.1
1.25.10

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2,443
influxdb_exportersectionmeVerified publisher0.0.21 of 1See more

influxdb_exporter sectionme 0.0.2

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

Container imageDigestPackageFixed in
quay.io/prometheus/influxdb-exporter:v0.10.03854d8af7bd4
stdlib@go1.18.3
1.25.10

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925
nucleisecurecodebox-nuclei5.2.01 of 1See more

nuclei securecodebox-nuclei 5.2.0

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

Container imageDigestPackageFixed in
projectdiscovery/nuclei:v3.5.1d76713284ad0
stdlib@go1.24.4
1.25.10

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3,069

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 30 Sept 2026

Corrections: contact@stackradar.io

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