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
4,217
of 17,988 indexed, latest versions
Container images
4,746
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 4,217 of 17,988 indexed charts deploy, on 4,746 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+183 more1.25.104,746
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

4,217 by stars
ChartLatestAffected imagesRadar Score
taigafermosit0.0.112 of 7See more

taiga fermosit 0.0.11

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

Container imageDigestPackageFixed in
taigaio/taiga-back:latest4beed8f62c9f
stdlib@go1.24.4
1.25.10
taigaio/taiga-protected:latestfd4568a97a59
stdlib@go1.24.4
1.25.10

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9,826
ferriskeyferriskey0.9.01See more

ferriskey ferriskey 0.9.0

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

Container imageDigestPackageFixed in
library/postgres:17d74eeac9a635
stdlib@go1.24.6
1.25.10

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—
file-manager-serverfile-manager-server1.11.01 of 1See more

file-manager-server file-manager-server 1.11.0

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

Container imageDigestPackageFixed in
public.ecr.aws/cloudnatix/llmariner/file-manager-server:1.11.0301216788e93
stdlib@go1.23.11
1.25.10

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1,078
fission-corefission-chartsVerified publisher1.14.13 of 3See more

fission-core fission-charts 1.14.1

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

Container imageDigestPackageFixed in
fission/fission-bundle:1.14.13fcfd8a0fa5d
stdlib@go1.15.14
1.25.10
fission/pre-upgrade-checks:1.14.1fa0f24cdb9cd
stdlib@go1.15.14
1.25.10
fission/reporter:1.14.104c6e06af175
stdlib@go1.15.14
1.25.10

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9,823
openldapfluktuid0.1.11 of 2See more

openldap fluktuid 0.1.1

1 of the 2 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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5,032
flyway-operatorflyway-operatorVerified publisher0.2.131 of 1See more

flyway-operator flyway-operator 0.2.13

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

Container imageDigestPackageFixed in
ghcr.io/davidkarlsen/flyway-operator:0.2.1366f60b461c0d
stdlib@go1.24.4
1.25.10

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937
free5gcfree5gcVerified publisher0.1.311 of 12See more

free5gc free5gc 0.1.3

11 of the 12 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
free5gc/amf:v3.4.31bc96ff5a2a6
stdlib@go1.21.8
1.25.10
free5gc/ausf:v3.4.3687ff4daf5da
stdlib@go1.21.8
1.25.10
free5gc/chf:v3.4.3e2a4dd98a4ed
stdlib@go1.21.8
1.25.10
free5gc/nrf:v3.4.399e46b860efb
stdlib@go1.21.8
1.25.10
free5gc/nssf:v3.4.3dfe8c68c04b4
stdlib@go1.21.8
1.25.10
free5gc/pcf:v3.4.3f712e8ecd927
stdlib@go1.21.8
1.25.10
free5gc/smf:v3.4.360e38baa4b10
stdlib@go1.21.8
1.25.10
free5gc/udm:v3.4.32f68df062a50
stdlib@go1.21.8
1.25.10
free5gc/udr:v3.4.3c0783bcdcbdc
stdlib@go1.21.8
1.25.10
free5gc/upf:v3.4.3b6b362a39fdd
stdlib@go1.21.8
1.25.10
free5gc/webui:v3.4.39adeb18492cb
stdlib@go1.21.8
1.25.10

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15,301
fsmfsmOfficialVerified publisher0.2.112 of 5See more

fsm fsm 0.2.11

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

Container imageDigestPackageFixed in
flomesh/fsm-ingress-pipy:0.2.11cc39c96711c4
stdlib@go1.19.13
1.25.10
flomesh/fsm-manager:0.2.1122f849c70b25
stdlib@go1.19.13
1.25.10

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5,426
adguard-homegabe565Verified publisher0.3.251 of 2See more

adguard-home gabe565 0.3.25

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

Container imageDigestPackageFixed in
adguard/adguardhome:v0.107.56c64a0b37f7b9
stdlib@go1.23.5
1.25.10

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1,139
home-assistantgabe565Verified publisher0.17.01 of 1See more

home-assistant gabe565 0.17.0

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

Container imageDigestPackageFixed in
ghcr.io/home-assistant/home-assistant:latestd89226851697
stdlib@go1.25.6
1.25.10

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2,897
memosgabe565Verified publisher0.17.01 of 1See more

memos gabe565 0.17.0

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

Container imageDigestPackageFixed in
ghcr.io/usememos/memos:0.24.04723d86e6797
stdlib@go1.23.6
1.25.10

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1,956
dexgabibbo974.0.41 of 1See more

dex gabibbo97 4.0.4

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

Container imageDigestPackageFixed in
ghcr.io/dexidp/dex:v2.28.15e88f2205de1
stdlib@go1.16.2
1.25.10

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4,411
garmgarmVerified publisher4.2.01 of 3See more

garm garm 4.2.0

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

Container imageDigestPackageFixed in
ghcr.io/igrikus/garm-operator:4.2.09e24d8a6a3b2
stdlib@go1.26.2
1.25.10

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1,000
gateboardgateboard1.12.51 of 1See more

gateboard gateboard 1.12.5

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

Container imageDigestPackageFixed in
udhos/gateboard:1.12.53acc0e7599bf
stdlib@go1.25.3
1.25.10

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1,768
gateboard-discoverygateboard1.9.51 of 1See more

gateboard-discovery gateboard 1.9.5

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

Container imageDigestPackageFixed in
udhos/gateboard-discovery:1.9.55567c9363c4c
stdlib@go1.25.3
1.25.10

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1,476
gboxgboxVerified publisher1.0.51 of 2See more

gbox gbox 1.0.5

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

Container imageDigestPackageFixed in
gboxproxy/gbox:v1.0.63a9f4a711d5c
stdlib@go1.17.9
1.25.10

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3,355
adguard-homegeek-cookbookVerified publisher5.5.21 of 2See more

adguard-home geek-cookbook 5.5.2

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

Container imageDigestPackageFixed in
adguard/adguardhome:v0.107.7b9974aed13d0
stdlib@go1.17.9
1.25.10

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2,544
alertmanager-botgeek-cookbookVerified publisher6.4.21 of 1See more

alertmanager-bot geek-cookbook 6.4.2

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

Container imageDigestPackageFixed in
metalmatze/alertmanager-bot:0.4.3426bc2ca7586
stdlib@go1.13.15
1.25.10

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4,602
bazarrgeek-cookbookVerified publisher10.6.21 of 1See more

bazarr geek-cookbook 10.6.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/bazarr:v1.0.3fdb5501cdfb9
stdlib@go1.16.8
1.25.10

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19,050
filebrowsergeek-cookbookVerified publisher1.4.21 of 1See more

filebrowser geek-cookbook 1.4.2

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

Container imageDigestPackageFixed in
filebrowser/filebrowser:v2.18.04fcd47af573c
stdlib@go1.16.9
1.25.10

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4,441
focalboardgeek-cookbookVerified publisher4.4.21 of 1See more

focalboard geek-cookbook 4.4.2

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

Container imageDigestPackageFixed in
mattermost/focalboard:0.9.031078df7a3c8
stdlib@go1.16.5
1.25.10

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5,079
influxdb-exportergeek-cookbookVerified publisher1.2.21 of 1See more

influxdb-exporter geek-cookbook 1.2.2

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

Container imageDigestPackageFixed in
prom/influxdb-exporter:v0.9.0f63fd77c05ee
stdlib@go1.17.8
1.25.10

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1,778
network-ups-toolsgeek-cookbookVerified publisher6.4.21 of 1See more

network-ups-tools geek-cookbook 6.4.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/network-ups-tools:v2.7.4-2479-g86a32237cbd5d4cc1245
stdlib@go1.15
1.25.10

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15,204
otel-collectorgeek-cookbookVerified publisher1.2.21 of 1See more

otel-collector geek-cookbook 1.2.2

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

Container imageDigestPackageFixed in
otel/opentelemetry-collector-contrib:0.46.0ba173aa85f3f
stdlib@go1.17.7
1.25.10

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3,416
owncastgeek-cookbookVerified publisher3.4.21 of 1See more

owncast geek-cookbook 3.4.2

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

Container imageDigestPackageFixed in
gabekangas/owncast:0.0.797461aedb580
stdlib@go1.15.2
1.25.10

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4,175
protonmail-bridgegeek-cookbookVerified publisher5.4.21 of 1See more

protonmail-bridge geek-cookbook 5.4.2

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

Container imageDigestPackageFixed in
shenxn/protonmail-bridge:1.8.7-1acf31af7c111
stdlib@go1.15.12
1.25.10

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9,301
prowlarrgeek-cookbookVerified publisher4.5.21 of 1See more

prowlarr geek-cookbook 4.5.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/prowlarr:v0.3.0.1710c863aa9875fa
stdlib@go1.16.8
1.25.10

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12,981
sabnzbdgeek-cookbookVerified publisher9.4.21 of 1See more

sabnzbd geek-cookbook 9.4.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/sabnzbd:v3.3.1c2d6e775db5a
stdlib@go1.15
1.25.10

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11,625
sambageek-cookbookVerified publisher6.2.21 of 1See more

samba geek-cookbook 6.2.2

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

Container imageDigestPackageFixed in
ghcr.io/crazy-max/samba:4.15.5bed6f4ec2e82
stdlib@go1.17.2
1.25.10

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3,124
sonarrgeek-cookbookVerified publisher16.3.21 of 1See more

sonarr geek-cookbook 16.3.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/sonarr:v3.0.8.15070eb230e2381a
stdlib@go1.18.4
1.25.10

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14,296
stashgeek-cookbookVerified publisher3.4.21 of 1See more

stash geek-cookbook 3.4.2

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

Container imageDigestPackageFixed in
stashapp/stash:latest24dbd7607174
stdlib@go1.13.15
1.25.10

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17,670
uptime-kumageek-cookbookVerified publisher1.4.21 of 1See more

uptime-kuma geek-cookbook 1.4.2

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

Container imageDigestPackageFixed in
louislam/uptime-kuma:1.17.1a4eab252e5a2
stdlib@go1.17.5
1.25.10

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6,519
valheimgeek-cookbookVerified publisher4.4.21 of 1See more

valheim geek-cookbook 4.4.2

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

Container imageDigestPackageFixed in
ghcr.io/lloesche/valheim-server:latestc885aa902faf
stdlib@go1.24.1
1.25.10

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3,312
wireguardgeek-cookbookVerified publisher1.4.21 of 1See more

wireguard geek-cookbook 1.4.2

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

Container imageDigestPackageFixed in
ghcr.io/k8s-at-home/wireguard:v1.0.20210424448045c4270b
stdlib@go1.15
1.25.10

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8,847
gentrace-self-hostedgentrace-self-hostedVerified publisher0.1.32 of 9See more

gentrace-self-hosted gentrace-self-hosted 0.1.3

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

Container imageDigestPackageFixed in
clickhouse/clickhouse-server:23.8512bb8a21483
stdlib@go1.19.10
1.25.10
library/postgres:15.38775adb39f0d
stdlib@go1.18.2
1.25.10

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16,580
geo-checkergeo-checkerVerified publisher5.0.01 of 1See more

geo-checker geo-checker 5.0.0

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

Container imageDigestPackageFixed in
ymuski/geo-checker:5.0.05ba7fd8c7bdc
stdlib@go1.25.3
1.25.10

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1,809
gigapipegigapipeVerified publisher0.3.01 of 1See more

gigapipe gigapipe 0.3.0

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

Container imageDigestPackageFixed in
ghcr.io/metrico/gigapipe:v4.1.6caeb2652ce5e
stdlib@go1.26.2
1.25.10

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912
leantimegissilabs1.3.01 of 2See more

leantime gissilabs 1.3.0

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

Container imageDigestPackageFixed in
library/mariadb:10.6.218a16204dc96c
stdlib@go1.18.2
1.25.10

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7,516
gitea-sonarqube-botgitea-sonarqube-botOfficialVerified publisher0.4.01 of 1See more

gitea-sonarqube-bot gitea-sonarqube-bot 0.4.0

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

Container imageDigestPackageFixed in
justusbunsi/gitea-sonarqube-bot:v0.4.018dd43b470d9
stdlib@go1.23.3
1.25.10

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1,498
temporalglasskubeVerified publisher0.45.2-gk.110 of 14See more

temporal glasskube 0.45.2-gk.1

10 of the 14 container images this version deploys carry CVE-2026-39820.

Container imageDigestPackageFixed in
grafana/grafana:11.0.00dc5a246ab16
stdlib@go1.21.10
1.25.10
temporalio/admin-tools:1.25.0-tctl-1.18.1-cli-1.0.0cda4901bab53
stdlib@go1.22.3
1.25.10
temporalio/server:1.25.08a5798191dea
stdlib@go1.22.3
1.25.10
temporalio/ui:2.30.25c2a3645d09c
stdlib@go1.22.1
1.25.10
quay.io/prometheus-operator/prometheus-config-reloader:v0.74.0d55631c7a740
stdlib@go1.22.3
1.25.10
quay.io/prometheus/alertmanager:v0.27.0e13b6ed5cb92
stdlib@go1.21.7
1.25.10
quay.io/prometheus/node-exporter:v1.8.1fa7fa12a57ef
stdlib@go1.22.3
1.25.10
quay.io/prometheus/prometheus:v2.53.0075b1ba2c4eb
stdlib@go1.22.4
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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21,246
go-hello-world-chartgo-hello-worldVerified publisher1.8.31 of 1See more

go-hello-world-chart go-hello-world 1.8.3

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

Container imageDigestPackageFixed in
ghcr.io/wasilak/go-hello-world:1.8.366d353e7693f
stdlib@go1.25.4
1.25.10

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1,037
gomenhashaigomenhashaiOfficialVerified publisher1.3.41 of 1See more

gomenhashai gomenhashai 1.3.4

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

Container imageDigestPackageFixed in
ghcr.io/gomenhashai/gomenhashai:v1.3.36f031172a5ec
stdlib@go1.26.0
1.25.10

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863
gorse-enterprisegorse-io0.4.23 of 5See more

gorse-enterprise gorse-io 0.4.2

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

Container imageDigestPackageFixed in
zhenghaoz/gorse-master:0.4.12033046b432ec
stdlib@go1.20.1
1.25.10
zhenghaoz/gorse-server:0.4.1239c565685b01
stdlib@go1.20.1
1.25.10
zhenghaoz/gorse-worker:0.4.12f7739f64c9b0
stdlib@go1.20.1
1.25.10

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6,198
meta-monitoringgrafana1.3.02 of 2See more

meta-monitoring grafana 1.3.0

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

Container imageDigestPackageFixed in
grafana/alloy:v1.4.306bdcbb51fc2
stdlib@go1.22.7
1.25.10
ghcr.io/jimmidyson/configmap-reload:v0.12.0a7c754986900
stdlib@go1.21.1
1.25.10

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4,556
phlaregrafana0.5.41 of 1See more

phlare grafana 0.5.4

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

Container imageDigestPackageFixed in
grafana/phlare:0.5.1330f990cdad9
stdlib@go1.19.6
1.25.10

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2,684
greenkubegreenkubeVerified publisher0.3.01 of 3See more

greenkube greenkube 0.3.0

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

Container imageDigestPackageFixed in
library/postgres:18-alpine6c538e7206ea
stdlib@go1.24.6
1.25.10

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1,949
armada-operatorgresearch0.7.02 of 2See more

armada-operator gresearch 0.7.0

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

Container imageDigestPackageFixed in
gresearch/armada-operator:latest6c43743e2b2d
stdlib@go1.24.0
1.25.10
kubebuilder/kube-rbac-proxy:v0.16.03c4f708c6204
stdlib@go1.21.7
1.25.10

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2,370
carettagroundcover0.0.163 of 3See more

caretta groundcover 0.0.16

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

Container imageDigestPackageFixed in
quay.io/groundcover/caretta:v0.0.16ed8f5118e3a4
stdlib@go1.18
1.25.10
quay.io/groundcover/grafana:9.3.18c65b333a3d3
stdlib@go1.19.3
1.25.10
quay.io/groundcover/victoria-metrics:v1.85.380ddeb90d18d
stdlib@go1.19.4
1.25.10

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9,259
ghostgroundhog2k0.212.151 of 1See more

ghost groundhog2k 0.212.15

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

Container imageDigestPackageFixed in
library/ghost:6.67.0428ce627d581
stdlib@go1.24.6
1.25.10

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2,068
IMgrycapOfficialVerified publisher1.8.01 of 3See more

IM grycap 1.8.0

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

Container imageDigestPackageFixed in
library/mysql:8.485b9bf2e29cf
stdlib@go1.24.6
1.25.10

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4,947

Container images carrying it

4,746 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.