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
5,323
of 18,117 indexed, latest versions
Container images
6,150
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 5,323 of 18,117 indexed charts deploy, on 6,150 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+212 more1.26.96,150
golang-1.19deb1.19.8-2no fix listed1
OSV records
DEBIAN-CVE-2026-56866GO-2026-6605
Trending
Rank 10 in indexed charts, since 9 Oct 2026. See the ranking →

Charts affected

5,323 by stars
ChartLatestAffected imagesRadar Score
pagespagesbadami1.0.01 of 3See more

pages pagesbadami 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

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21,421
pagespages-blackburn1.0.01 of 3See more

pages pages-blackburn 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

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21,421
pagespages-botes1.0.01 of 3See more

pages pages-botes 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

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21,421
pagespages-brian1.0.01 of 3See more

pages pages-brian 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

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21,421
pagespages-buckll1.0.01 of 3See more

pages pages-buckll 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

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21,421
pagespages-camden1.0.01 of 3See more

pages pages-camden 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

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21,421
pagespages-camden7711.0.01 of 3See more

pages pages-camden771 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

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21,421
pagespages-diarmuidkeane1.0.01 of 3See more

pages pages-diarmuidkeane 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

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21,421
pagespages-draco1.0.01 of 3See more

pages pages-draco 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

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21,421
pagespages-ellora1.0.01 of 3See more

pages pages-ellora 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

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21,421
pagespages-finchley1.0.01 of 3See more

pages pages-finchley 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

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21,421
pagespages-fornax1.0.01 of 3See more

pages pages-fornax 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

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21,421
pagespages-harsh1.0.01 of 3See more

pages pages-harsh 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

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21,421
pagespagesk1.0.01 of 3See more

pages pagesk 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

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21,421
pagespages-microservice-ashim1.0.01 of 3See more

pages pages-microservice-ashim 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

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21,421
pagespages-mihai1.0.01 of 3See more

pages pages-mihai 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

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21,421
pagespages-nivesh1.0.01 of 3See more

pages pages-nivesh 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

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21,421
pagespagessandeepgudu1.0.01 of 3See more

pages pagessandeepgudu 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

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21,421
pagespages-shubhanker1.0.01 of 3See more

pages pages-shubhanker 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

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21,421
pagespages-ssharma09091.0.01 of 3See more

pages pages-ssharma0909 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

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21,421
pagespages-sucharitha1.0.01 of 3See more

pages pages-sucharitha 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

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21,421
pagespages-sudhir1.0.01 of 3See more

pages pages-sudhir 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

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21,421
pagespages-sushi1.0.01 of 3See more

pages pages-sushi 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

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21,421
pagespages-vasanth58141.0.01 of 3See more

pages pages-vasanth5814 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

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21,421
pagespages-vjp1.0.01 of 3See more

pages pages-vjp 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

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21,421
paguropaguroVerified publisher0.1.21 of 3See more

paguro paguro 0.1.2

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

Container imageDigestPackageFixed in
ghcr.io/dpicillo/paguro/paguro-node-installer:v0.1.2526c1324e1dc
stdlib@go1.26.6
1.26.9

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229
alistpanghuli0.1.51 of 2See more

alist panghuli 0.1.5

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

Container imageDigestPackageFixed in
xhofe/alist:v3.24.033f15a31be6c
stdlib@go1.20.5
1.26.9

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2,744
cloudrevepanghuli0.1.01 of 1See more

cloudreve panghuli 0.1.0

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

Container imageDigestPackageFixed in
cloudreve/cloudreve:3.8.009093aec5a20
stdlib@go1.20
1.26.9

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3,247
radarr-testpanzer1119Verified publisher0.1.21 of 2See more

radarr-test panzer1119 0.1.2

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

Container imageDigestPackageFixed in
bitnami/kubectl:latestf7f9e4f64d9e
stdlib@go1.26.8
1.26.9

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1,592
paperclippaperclip-helmVerified publisher0.4.21 of 3See more

paperclip paperclip-helm 0.4.2

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

Container imageDigestPackageFixed in
library/postgres:17-alpineb0f9560a2de0
stdlib@go1.24.6
1.26.9

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703
paperclip-operatorpaperclip-operatorVerified publisher0.19.11 of 1See more

paperclip-operator paperclip-operator 0.19.1

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

Container imageDigestPackageFixed in
ghcr.io/paperclipinc/paperclip-operator:v0.19.10984b890eb38
stdlib@go1.25.0
1.26.9

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805
Parpar0.1.01 of 1See more

Par par 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/jmcgrath207/par:v0.1.09977511cb142
stdlib@go1.19.10
1.26.9

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1,597
parcaparca4.19.02 of 2See more

parca parca 4.19.0

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

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.20.00d1df8f436f7
stdlib@go1.21.1
1.26.9
ghcr.io/parca-dev/parca-agent:v0.28.06d6794f45f3e
stdlib@go1.21.4
1.26.9

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4,799
parcaparca-chart0.1.01 of 1See more

parca parca-chart 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.20.00d1df8f436f7
stdlib@go1.21.1
1.26.9

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2,719
parcaparca-rr0.1.02 of 2See more

parca parca-rr 0.1.0

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

Container imageDigestPackageFixed in
ghcr.io/parca-dev/parca:v0.24.23776500fde82
stdlib@go1.25.1
1.26.9
ghcr.io/parca-dev/parca-agent:v0.42.0adc0eeb4dd05
stdlib@go1.24.7
1.26.9

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3,497
parcial-1parcial-1-chart1.0.02 of 5See more

parcial-1 parcial-1-chart 1.0.0

2 of the 5 container images this version deploys carry CVE-2026-56866.

Container imageDigestPackageFixed in
registry.k8s.io/ingress-nginx/controller:v1.13.137e489b22ac7
stdlib@go1.24.6
1.26.9
registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.6.1e63459ec5965
stdlib@go1.24.6
1.26.9

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5,058
istio-cniparticuleio1.1.01 of 1See more

istio-cni particuleio 1.1.0

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

Container imageDigestPackageFixed in
gcr.io/istio-testing/install-cni:latestec6f9ea5757b
stdlib@go1.27.0
1.26.9

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1,281
istio-operatorparticuleio1.7.01 of 1See more

istio-operator particuleio 1.7.0

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

Container imageDigestPackageFixed in
gcr.io/istio-testing/operator:latest8d4576f7b98f
stdlib@go1.22.5
1.26.9

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5,000
scaleway-webhookparticuleio0.0.11 of 1See more

scaleway-webhook particuleio 0.0.1

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

Container imageDigestPackageFixed in
scaleway/cert-manager-webhook-scaleway:v0.0.1dcc14608d000
stdlib@go1.15.2
1.26.9

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3,588
cloudflaredpascaliskeVerified publisher3.0.01 of 1See more

cloudflared pascaliske 3.0.0

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

Container imageDigestPackageFixed in
ghcr.io/crazy-max/cloudflared:2025.9.19b4e856d18f6
stdlib@go1.24.7
1.26.9

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2,793
hammondpascaliskeVerified publisher2.0.01 of 2See more

hammond pascaliske 2.0.0

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

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

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2,525
home-assistantpascaliskeVerified publisher0.1.11 of 1See more

home-assistant pascaliske 0.1.1

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

Container imageDigestPackageFixed in
ghcr.io/home-assistant/home-assistant:2025.12.59a5a3eb4a213
stdlib@go1.25.4
1.26.9

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5,982
plausible-exporterpascaliskeVerified publisher1.0.01 of 1See more

plausible-exporter pascaliske 1.0.0

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

Container imageDigestPackageFixed in
ghcr.io/riesinger/plausible-exporter:1.1.061112cda1be5
stdlib@go1.19.7
1.26.9

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1,349
vikunjapascaliskeVerified publisher5.1.01 of 1See more

vikunja pascaliske 5.1.0

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

Container imageDigestPackageFixed in
vikunja/vikunja:0.24.6ed1f3ed467fe
stdlib@go1.23.4
1.26.9

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2,172
pagespawan-pages1.0.01 of 3See more

pages pawan-pages 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

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21,421
pax-prometheuspaxtecnologia0.7.37 of 8See more

pax-prometheus paxtecnologia 0.7.3

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

Container imageDigestPackageFixed in
grafana/grafana:13.2.2-distroless69a5d2d957ca
stdlib@go1.26.7
1.26.9
ghcr.io/jkroepke/kube-webhook-certgen:1.8.958e4ac2e15bf
stdlib@go1.27.1
1.26.9
quay.io/prometheus-operator/prometheus-operator:v0.94.17c88d4e7bae6
stdlib@go1.26.8
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:v2.20.042cfe3723a5f
stdlib@go1.26.6
1.26.9
registry.k8s.io/metrics-server/metrics-server:v0.9.0d9862115e7c7
stdlib@go1.26.4
1.26.9
registry.k8s.io/prometheus-adapter/prometheus-adapter:v0.12.0932eae60e2bc
stdlib@go1.22.2
1.26.9

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4,157
stk-fluent-bit-loki-s3paxtecnologia0.2.12 of 6See more

stk-fluent-bit-loki-s3 paxtecnologia 0.2.1

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

Container imageDigestPackageFixed in
grafana/loki:3.6.1144148ad243c0
stdlib@go1.26.2
1.26.9
prom/memcached-exporter:v0.15.4b6763ecb3c47
stdlib@go1.25.3
1.26.9

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4,843
everest-db-namespacepercona1.13.01 of 1See more

everest-db-namespace percona 1.13.0

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

Container imageDigestPackageFixed in
percona/everest-helmtools:0.0.1904458d04a18
stdlib@go1.24.6
1.26.9

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1,259
pmm-ha-dependenciespercona1.0.04 of 4See more

pmm-ha-dependencies percona 1.0.0

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

Container imageDigestPackageFixed in
altinity/clickhouse-operator:0.25.41d6f18dbd599
stdlib@go1.25.1
1.26.9
altinity/metrics-exporter:0.25.46ecf67edfb71
stdlib@go1.25.1
1.26.9
percona/percona-postgresql-operator:2.8.06cce2698d3f5
stdlib@go1.25.4
1.26.9
victoriametrics/operator:v0.65.0716b89a3ed79
stdlib@go1.25.3
1.26.9

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4,422
ps-operatorpercona1.2.01 of 1See more

ps-operator percona 1.2.0

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

Container imageDigestPackageFixed in
percona/percona-server-mysql-operator:1.2.028bfc38c1d4b
stdlib@go1.26.4
1.26.9

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651

Container images carrying it

6,150 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
library/docker:20.10.21-dind3153fa63f546
stdlib@go1.18.7
1.26.9
1
library/docker:29.8.1-dind:dind:latest3f3c01aaaebf
stdlib@go1.26.8
1.26.9
1
library/docker:dind-rootless54155db4950e
stdlib@go1.26.8
1.26.9
1
library/docker:dind7dcdfc4a2024
stdlib@go1.26.8
1.26.9
1
library/docker:27-cli851f91d24121
stdlib@go1.23.5
1.26.9
1
library/docker:28.3.3-dinda56b3bdde893
stdlib@go1.24.5
1.26.9
1
library/docker:27-dindaa3df78ecf32
stdlib@go1.22.11
1.26.9
1
library/docker:23.0.6-dindafa5d5134900
stdlib@go1.19.9
1.26.9
1
library/docker:23.0.1-dindd9a0fd8bdd15
stdlib@go1.19.5
1.26.9
1
library/docker:26.1-dinddd43b430341a
stdlib@go1.21.11
1.26.9
1
library/ghost:6.37.01ef2e532ca4d
stdlib@go1.23.12
1.26.9
1
library/ghost:6.25.12654b1e90413
stdlib@go1.24.6
1.26.9
1
library/ghost:6.41.129773d6be407
stdlib@go1.24.6
1.26.9
1
library/ghost:6.39.0-alpine77196da4b0df
stdlib@go1.24.6
1.26.9
1
library/ghost:5.79.083f7bf209844
stdlib@go1.18.2
1.26.9
1
library/ghost:6.65.090592b712b6b
stdlib@go1.24.6
1.26.9
1
library/ghost:6.69.0-alpine3.23db4c56c196d6
stdlib@go1.24.6
1.26.9
1
library/golang:lateste0174e51e812
stdlib@go1.27.1
1.26.9
1
library/influxdb:1.12.3-meta8812029260b5
stdlib@go1.24.13
1.26.9
1
library/influxdb:2.8983c696655e8
stdlib@go1.24.9
1.26.9
1
library/influxdb:2.7.4-alpinea10d46445d68
stdlib@go1.21.3
1.26.9
1
library/influxdb:1.12.3-datab0f9fc41ed79
stdlib@go1.24.13
1.26.9
1
library/influxdb:2.0.8ba10ac9ba17a
stdlib@go1.16.5
1.26.9
1
library/influxdb:latestcdd3dbdea45c
stdlib@go1.25.9
1.26.9
1
library/influxdb:2.3.0-alpined7f5dd5f70e2
stdlib@go1.18.3
1.26.9
1
library/kapacitor:1.6.37232f6388a4d
stdlib@go1.17.2
1.26.9
1
library/logstash:7.17.817a4f64e9cf5
stdlib@go1.19.3
1.26.9
1
library/logstash:9.1.233eae14f0867
stdlib@go1.23.12
1.26.9
1
library/mariadb:10.7.307e06f2e7ae9
stdlib@go1.16.7
1.26.9
1
library/mariadb:10.11.21c33370a599c
stdlib@go1.16.7
1.26.9
1
library/mariadb:10.422edfe1c7834
stdlib@go1.18.2
1.26.9
1
library/mariadb:10.8.2-focal490f01279be1
stdlib@go1.16.7
1.26.9
1
library/mariadb:12.0.25b6a1eac15b8
stdlib@go1.18.2
1.26.9
1
library/mariadb:12.3.2628f228f0fd5
stdlib@go1.24.6
1.26.9
1
library/mariadb:116422478cb8e1
stdlib@go1.24.6
1.26.9
1
library/mariadb:11.8.46b848cb24fbb
stdlib@go1.24.6
1.26.9
1
library/mariadb:10.6.218a16204dc96c
stdlib@go1.18.2
1.26.9
1
library/mariadb:10.79a48ac9f196f
stdlib@go1.16.7
1.26.9
1
library/mariadb:12.3.2a02fe89cb597
stdlib@go1.24.6
1.26.9
1
library/mariadb:12.2.2b1cb255a9939
stdlib@go1.24.6
1.26.9
1
library/mariadb:10.10.2bfc25a68e113
stdlib@go1.16.7
1.26.9
1
library/mariadb:13.0.2:latestd4fdec0510ad
stdlib@go1.26.7
1.26.9
1
library/mariadb:12.3.3:latest:ltsdd9b303aed4f
stdlib@go1.24.6
1.26.9
1
library/mariadb:10.6.15e22328f4d714
stdlib@go1.16.7
1.26.9
1
library/mariadb:10.9.4fbb8456ebdb1
stdlib@go1.16.7
1.26.9
1
library/mariadb:11.7.2fcc7fcd7114a
stdlib@go1.18.2
1.26.9
1
library/mongo:7.0.140032d2ca20db
stdlib@go1.21.12
1.26.9
1
library/mongo:4.4.1305678ae4e5e1
stdlib@go1.16.7
1.26.9
1
library/mongo:5.0.32-focal3b6c281e1c08
stdlib@go1.24.0
1.26.9
1
library/mongo:4.4-bionic3d0e6df9fd5b
stdlib@go1.16.3
1.26.9
1

syft 1.42.1 · advisories as of 14 Oct 2026

Corrections: contact@stackradar.io

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