StackRadar

CVE-2026-56866

High

Advisory

Published 8 Oct 2026In the index since 9 Oct 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.003
22nd percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
5,276
of 18,137 indexed, latest versions
Container images
6,115
deployed by those charts
Fix available
1 of 2
affected packages

HTTP/1 client connection desynchronization after CONNECT rejection in net/http

Carried by container images the latest versions of 5,276 of 18,137 indexed charts deploy, on 6,115 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+208 more1.26.96,115
golang-1.19deb1.19.8-2no fix listed1
OSV records
DEBIAN-CVE-2026-56866GO-2026-6605
Trending
Rank 12 in indexed charts, since 9 Oct 2026. See the ranking →

Charts affected

5,276 by stars
ChartLatestAffected imagesRadar Score
digital-mobiusdigital-mobius0.1.41 of 1See more

digital-mobius digital-mobius 0.1.4

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
qoveryrd/digital-mobius:0.1.4b30a9398a83c
stdlib@go1.15.5
1.26.9

Open the chart page →

3,856
pagesdipak1.0.01 of 3See more

pages dipak 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/mysql:8.07dcddc01f13b
stdlib@go1.24.6
1.26.9

Open the chart page →

21,570
directusdirectusVerified publisher0.9.101 of 4See more

directus directus 0.9.10

1 of the 4 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
directus/directus:11.1.0e3c8bb975350
stdlib@go1.20.7
1.26.9

Open the chart page →

5,588
direktivdirektivVerified publisher0.10.04 of 6See more

direktiv direktiv 0.10.0

4 of the 6 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
otel/opentelemetry-collector-k8s:0.120.01e45d9483faa
stdlib@go1.24.0
1.26.9
victoriametrics/victoria-logs:v1.15.0-victorialogsd7435244eb19
stdlib@go1.24.0
1.26.9
registry.k8s.io/ingress-nginx/controller:v1.12.0e6b8de175acd
stdlib@go1.23.4
1.26.9
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.5.0aaafd456bda1
stdlib@go1.23.4
1.26.9

Open the chart page →

5,944
nfs-provisionerdjdl-charts4.0.181 of 1See more

nfs-provisioner djdl-charts 4.0.18

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/nfs-subdir-external-provisioner:v4.0.263d5e04551ec
stdlib@go1.15
1.26.9

Open the chart page →

4,005
adventurelogdjjudas21Verified publisher0.1.12 of 3See more

adventurelog djjudas21 0.1.1

2 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
postgis/postgis:15-3.3a2fc46b52819
stdlib@go1.18.2
1.26.9
ghcr.io/seanmorley15/adventurelog-frontend:v0.13.051ee22428b41
stdlib@go1.23.12
1.26.9

Open the chart page →

10,246
graphite-exporterdjjudas21Verified publisher0.1.91 of 1See more

graphite-exporter djjudas21 0.1.9

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
prom/graphite-exporter:v0.16.0e54bca6645ea
stdlib@go1.23.2
1.26.9

Open the chart page →

1,333
hammonddjjudas21Verified publisher0.3.91 of 1See more

hammond djjudas21 0.3.9

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
alfhou/hammond:v0.0.24c85dc0293aa1
stdlib@go1.20.6
1.26.9

Open the chart page →

2,525
nova-exporterdjjudas21Verified publisher0.1.161 of 1See more

nova-exporter djjudas21 0.1.16

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
djjudas21/nova-exporter:0.0.10e9094580885c
stdlib@go1.24.4
1.26.9

Open the chart page →

1,987
ownclouddjjudas21Verified publisher0.3.242 of 3See more

owncloud djjudas21 0.3.24

2 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
bitnamilegacy/mariadb:11.3.2-debian-12-r9320c70dfd914
stdlib@go1.22.4
1.26.9
owncloud/server:10.16.65b27fce26d9c
stdlib@go1.26.3
1.26.9

Open the chart page →

11,328
photoprismdjjudas21Verified publisher99.99.991 of 1See more

photoprism djjudas21 99.99.99

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
photoprism/photoprism:240711-cefc6fd632ca74
stdlib@go1.22.5
1.26.9

Open the chart page →

100,105
smokepingdjjudas21Verified publisher0.1.31 of 1See more

smokeping djjudas21 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
linuxserver/smokeping:2.8.2b7f906899cd3
stdlib@go1.22.5
1.26.9

Open the chart page →

2,657
spoolmandjjudas21Verified publisher0.1.81 of 1See more

spoolman djjudas21 0.1.8

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/donkie/spoolman:0.24.042135965c42d
stdlib@go1.19.8
1.26.9

Open the chart page →

2,729
truecommanddjjudas21Verified publisher0.1.01 of 1See more

truecommand djjudas21 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ixsystems/truecommand:3.2.019c218455cd2
stdlib@go1.25.0
1.26.9

Open the chart page →

6,371
uptime-kumadjjudas21Verified publisher1.5.181 of 1See more

uptime-kuma djjudas21 1.5.18

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
louislam/uptime-kuma:1.23.12bc6f244ecf27
stdlib@go1.19.6
1.26.9

Open the chart page →

5,487
netbirddmdhrumilmistryVerified publisher0.1.03 of 6See more

netbird dmdhrumilmistry 0.1.0

3 of the 6 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
netbirdio/management:latest8bb1b26f3c8d
stdlib@go1.26.7
1.26.9
netbirdio/relay:latest1aff236dc73f
stdlib@go1.26.7
1.26.9
netbirdio/signal:latestd0fe9d51cdba
stdlib@go1.26.7
1.26.9

Open the chart page →

4,572
spark-standalonedmwm-bigdataVerified publisher0.1.01 of 2See more

spark-standalone dmwm-bigdata 0.1.0

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
prom/graphite-exporter:latestc1a266f63a84
stdlib@go1.26.5
1.26.9

Open the chart page →

6,534
dnation-kubernetes-jsonnet-translatordnationcloud2.0.11 of 1See more

dnation-kubernetes-jsonnet-translator dnationcloud 2.0.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
dnationcloud/kubernetes-jsonnet-translator:2.0.178fed4f3c130
stdlib@go1.26.5
1.26.9

Open the chart page →

4,444
dnation-kubernetes-monitoringdnationcloud3.0.41 of 1See more

dnation-kubernetes-monitoring dnationcloud 3.0.4

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
dnationcloud/kubernetes-jsonnet-translator:2.0.178fed4f3c130
stdlib@go1.26.5
1.26.9

Open the chart page →

4,444
dnation-kubernetes-monitoring-stackdnationcloud5.0.314 of 18See more

dnation-kubernetes-monitoring-stack dnationcloud 5.0.3

14 of the 18 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
bitnamilegacy/thanos:0.37.1-debian-12-r05bf82b98c82c
stdlib@go1.23.4
1.26.9
dnationcloud/kubernetes-jsonnet-translator:2.0.178fed4f3c130
stdlib@go1.26.5
1.26.9
grafana/alloy:v1.19.2b8ec653c4423
stdlib@go1.26.7
1.26.9
grafana/grafana:13.1.0121a7a9ece6d
stdlib@go1.25.7
1.26.9
grafana/loki:3.2.0882e30c20683
stdlib@go1.22.7
1.26.9
grafana/loki-canary:3.2.049e03f80d361
stdlib@go1.22.7
1.26.9
pgsty/mc:RELEASE.2026-09-13T00-00-00Zaa5cc1401b3e
stdlib@go1.27.1
1.26.9
pgsty/silo:RELEASE.2026-09-03T13-18-01Zb616a0cf8cb2
stdlib@go1.27.1
1.26.9
prom/memcached-exporter:v0.15.0bb01ad25e9fc
stdlib@go1.23.3
1.26.9
ghcr.io/jkroepke/kube-webhook-certgen:1.8.476a2170cd0c9
stdlib@go1.26.4
1.26.9
quay.io/prometheus-operator/prometheus-config-reloader:v0.91.07d9e4eea5f11
stdlib@go1.25.9
1.26.9
quay.io/prometheus-operator/prometheus-operator:v0.92.17d9247d23514
stdlib@go1.26.4
1.26.9
quay.io/prometheus/node-exporter:v1.12.1-distroless8c9bac11973b
stdlib@go1.26.5
1.26.9
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.19.185108987d044
stdlib@go1.26.4
1.26.9

Open the chart page →

20,121
ssl-exporterdnationcloud1.2.11 of 1See more

ssl-exporter dnationcloud 1.2.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ribbybibby/ssl-exporter:2.4.2718abe7f5e79
stdlib@go1.18.3
1.26.9

Open the chart page →

2,617
snmp-exporterdniel0.0.21 of 1See more

snmp-exporter dniel 0.0.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
prom/snmp-exporter:v0.20.09d226d7de223
stdlib@go1.15.8
1.26.9

Open the chart page →

3,346
whoamidniel0.8.11 of 1See more

whoami dniel 0.8.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
containous/whoami:latest7d6a3c8f9147
stdlib@go1.14
1.26.9

Open the chart page →

2,369
dnsmasq-k8sdnsmasq-k8s1.4.11 of 1See more

dnsmasq-k8s dnsmasq-k8s 1.4.1

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
deimosfr/dnsmasq-k8s:1.4.1284c4040fc6d
stdlib@go1.25.5
1.26.9

Open the chart page →

3,820
docker-authdocker-auth1.14.01 of 1See more

docker-auth docker-auth 1.14.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
cesanta/docker_auth:1.14.098e0307e0d2d
stdlib@go1.24.4
1.26.9

Open the chart page →

2,054
docparserdocparser0.1.01 of 4See more

docparser docparser 0.1.0

1 of the 4 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
conduction/docparser-php:devb6f95c8ead7d
stdlib@go1.13.10
1.26.9

Open the chart page →

11,064
documensodocumensoVerified publisher0.0.61 of 2See more

documenso documenso 0.0.6

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
documenso/documenso:v1.8.17f16a9449f18
stdlib@go1.20.12
1.26.9

Open the chart page →

3,377
furan2dollarshaveclubVerified publisher0.2.01 of 1See more

furan2 dollarshaveclub 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
dollarshaveclub/furan2:master14a257836529
stdlib@go1.17.2
1.26.9

Open the chart page →

4,230
domain-exporterdomain-exporterVerified publisher0.0.81 of 1See more

domain-exporter domain-exporter 0.0.8

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/shift/domain_exporter:v0.1.1347e27690a816
stdlib@go1.17.8
1.26.9

Open the chart page →

2,380
dominodomino-iisasVerified publisher0.3.11 of 3See more

domino domino-iisas 0.3.1

1 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/postgres:134689940c6838
stdlib@go1.24.6
1.26.9

Open the chart page →

12,166
doris-foundationdbdorisVerified publisher25.8.01 of 4See more

doris-foundationdb doris 25.8.0

1 of the 4 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
foundationdb/fdb-kubernetes-operator:v2.3.07d7b6985291e
stdlib@go1.23.7
1.26.9

Open the chart page →

4,429
redminebotdossif0.1.71 of 1See more

redminebot dossif 0.1.7

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
dossif/redminebot:0.2.296dcd2c0e9f2
stdlib@go1.17.13
1.26.9

Open the chart page →

1,559
aliyun-exporterdoubanVerified publisher0.1.21 of 1See more

aliyun-exporter douban 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/douban/aliyun-exporter:mainb7c694331362
stdlib@go1.24.2
1.26.9

Open the chart page →

1,380
channelsdoubanVerified publisher1.1.21 of 1See more

channels douban 1.1.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
everpcpc/channels:latestb378d137ae8b
stdlib@go1.17
1.26.9

Open the chart page →

3,549
codecovdoubanVerified publisher0.2.42 of 8See more

codecov douban 0.2.4

2 of the 8 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
codecov/self-hosted-gateway:24.4.1de483faad6e5
stdlib@go1.22.0
1.26.9
timescale/timescaledb-ha:pg14.6-ts2.9.1-p1cdb9ae118899
stdlib@go1.19.1
1.26.9

Open the chart page →

28,000
corednsdoubanVerified publisher1.39.21 of 1See more

coredns douban 1.39.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
coredns/coredns:1.12.040384aa1f5ea
stdlib@go1.23.3
1.26.9

Open the chart page →

1,755
gatekeeperdoubanVerified publisher3.17.12 of 3See more

gatekeeper douban 3.17.1

2 of the 3 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
openpolicyagent/gatekeeper:v3.17.1b7b4d7cfdd52
stdlib@go1.22.7
1.26.9
openpolicyagent/gatekeeper-crds:v3.17.177bc9bf3d163
stdlib@go1.22.5
1.26.9

Open the chart page →

3,631
goinceptiondoubanVerified publisher0.3.11 of 2See more

goinception douban 0.3.1

1 of the 2 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
hanchuanchuan/goinception:latestb3c0dd26fb50
stdlib@go1.22.1
1.26.9

Open the chart page →

1,838
k8s-crondoubanVerified publisher0.2.01 of 1See more

k8s-cron douban 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
alpine/k8s:1.28.2fc059f056ad0
stdlib@go1.20.8
1.26.9

Open the chart page →

4,564
overlorddoubanVerified publisher0.2.21 of 1See more

overlord douban 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
douz/overlord:latestf2bc7fc068c1
stdlib@go1.14.5
1.26.9

Open the chart page →

5,750
prometheus-memcached-exporterdoubanVerified publisher0.1.31 of 1See more

prometheus-memcached-exporter douban 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
prom/memcached-exporter:v0.9.001267317c95d
stdlib@go1.16.2
1.26.9

Open the chart page →

3,324
qiniu-exporterdoubanVerified publisher0.1.21 of 1See more

qiniu-exporter douban 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/douban/qiniu-exporter:maind1da3bcfad7d
stdlib@go1.19.5
1.26.9

Open the chart page →

2,045
service-proberdoubanVerified publisher0.1.01 of 1See more

service-prober douban 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
quay.io/prometheus/blackbox-exporter:v0.28.0e753ff9f3fc4
stdlib@go1.25.5
1.26.9

Open the chart page →

1,028
tencentcloud-exporterdoubanVerified publisher0.2.21 of 1See more

tencentcloud-exporter douban 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/leoquote/tencentcloud-exporter:masterca51b6bb15dd
stdlib@go1.21.1
1.26.9

Open the chart page →

1,984
tencentcloud-info-exporterdoubanVerified publisher0.2.21 of 1See more

tencentcloud-info-exporter douban 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/leoquote/tencentcloud-info-exporter:maind523c2c010cd
stdlib@go1.18.3
1.26.9

Open the chart page →

3,346
ucloud-exporterdoubanVerified publisher0.1.31 of 1See more

ucloud-exporter douban 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/douban/ucloud-exporter:mainb4bb8a9021a2
stdlib@go1.24.2
1.26.9

Open the chart page →

1,396
upyun-exporterdoubanVerified publisher0.1.21 of 1See more

upyun-exporter douban 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
ghcr.io/douban/upyun-exporter:main6810900c9c4a
stdlib@go1.25.5
1.26.9

Open the chart page →

1,171
eoloplannerdreyg-jescribanob-chart-eoloplanner0.1.02 of 7See more

eoloplanner dreyg-jescribanob-chart-eoloplanner 0.1.0

2 of the 7 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
library/rabbitmq:3-managemente582c0bc7766
stdlib@go1.22.2
1.26.9
oscarsotosanchez/weatherservice:v1.0911ec961d10b
stdlib@go1.15.6
1.26.9

Open the chart page →

28,859
drogue-cloud-examplesdrogue-iotVerified publisher0.7.113 of 6See more

drogue-cloud-examples drogue-iot 0.7.11

3 of the 6 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
grafana/grafana:9.2.4057896e23443
stdlib@go1.19.3
1.26.9
timescale/timescaledb-ha:pg14-ts2.6-latested719c0cd19d
stdlib@go1.15.6
1.26.9
ghcr.io/ctron/kubectl:1.25e37d61b5277c
stdlib@go1.20.10
1.26.9

Open the chart page →

35,192
drogue-cloud-metricsdrogue-iotVerified publisher0.7.116 of 8See more

drogue-cloud-metrics drogue-iot 0.7.11

6 of the 8 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
grafana/grafana:9.2.4057896e23443
stdlib@go1.19.3
1.26.9
jimmidyson/configmap-reload:v0.5.0904d08e9f701
stdlib@go1.15.7
1.26.9
prom/pushgateway:v1.3.18305a33fb80a
stdlib@go1.15.6
1.26.9
quay.io/prometheus/alertmanager:v0.21.024a5204b418e
stdlib@go1.14.4
1.26.9
quay.io/prometheus/node-exporter:v1.1.222fbde17ab64
stdlib@go1.15.8
1.26.9
quay.io/prometheus/prometheus:v2.26.038d40a760569
stdlib@go1.16.2
1.26.9

Open the chart page →

20,745

Container images carrying it

6,115 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

No deployed image carries CVE-2026-56866.

syft 1.42.1 · advisories as of 16 Oct 2026

Corrections: contact@stackradar.io

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