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
5,263
of 18,131 indexed, latest versions
Container images
6,077
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 5,263 of 18,131 indexed charts deploy, on 6,077 images.

Affected packageAffected versionsFixed inImages
stdlibgolanggo1.13, go1.13.1, go1.13.3, go1.13.4+209 more1.26.96,077
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

5,263 by stars
ChartLatestAffected imagesRadar Score
pagespages1.0.01 of 3See more

pages 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

Open the chart page →

21,421
pagespages101.0.01 of 3See more

pages pages10 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 →

21,421
pagespages1111.0.01 of 3See more

pages pages111 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 →

21,421
pagespages21.0.01 of 3See more

pages pages2 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 →

21,421
pagespages-alexchmielu1.0.01 of 3See more

pages pages-alexchmielu 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 →

21,421
pagespages-alps1.0.01 of 3See more

pages pages-alps 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 →

21,421
pagespages-alstom1.0.01 of 3See more

pages pages-alstom 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 →

21,421
pagespages-ambala1.0.01 of 3See more

pages pages-ambala 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 →

21,421
pagespages-andromeda1.0.01 of 3See more

pages pages-andromeda 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 →

21,421
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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

2,525

Container images carrying it

6,077 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
sstarcher/kube-ebs-tagger:0.1.01f8cae8cfa80
stdlib@go1.13.9
1.26.9
1
stakater/forecastle:v2.0.2382cd9572352
stdlib@go1.26.4
1.26.9
1
stakater/forecastle:v1.0.13886b24cdef409
stdlib@go1.22.1
1.26.9
1
stakater/gitwebhookproxy:v0.2.79c1226e5270cd
stdlib@go1.13.1
1.26.9
1
stakater/k8s-cost-optimizer:v0.0.5450415ce1b4e
stdlib@go1.17.8
1.26.9
1
stakater/konfigurator:v0.1.393409565b1ef5
stdlib@go1.17.13
1.26.9
1
stakater/reloader:v1.0.15f4b87a8e56d4
stdlib@go1.20.1
1.26.9
1
stakater/tronador:v0.0.137ce9acf2722
stdlib@go1.15.11
1.26.9
1
stakater/whitelister:v0.0.1639107924063e
stdlib@go1.13.1
1.26.9
1
stakater/workshop-operator:v0.0.3897bf456cc97c
stdlib@go1.16.13
1.26.9
1
stakkato95/twitter-service-analytics:0.1.05d48906d66b3
stdlib@go1.18.3
1.26.9
1
stakkato95/twitter-service-graphql:0.1.13cbe857234f2
stdlib@go1.18.3
1.26.9
1
stakkato95/twitter-service-tweets:0.1.18412d8a8cac3
stdlib@go1.18.3
1.26.9
1
stakkato95/twitter-service-users:0.1.1456049efee9a
stdlib@go1.18.3
1.26.9
1
stashapp/stash:latest24dbd7607174
stdlib@go1.13.15
1.26.9
1
stashapp/stash:v0.31.1df744af5a0c9
stdlib@go1.24.3
1.26.9
1
stashapp/stash-box:latesta534c8afdf39
stdlib@go1.23.10
1.26.9
1
staslevchenko/kent:0.4.0e1b5de030254
stdlib@go1.25.14
1.26.9
1
statcan/ingress-istio-controller:1.4.0d7d6bd180c46
stdlib@go1.18.10
1.26.9
1
statcan/kubernetes-sidecar-terminator:2.0.2bc361ee7748f
stdlib@go1.19.10
1.26.9
1
statping/statping:v0.90.6532f26fffca46
stdlib@go1.14.8
1.26.9
1
stevenweathers/thunderdome-planning-poker:latestc7eb7b10f186
stdlib@go1.26.4
1.26.9
1
streamnative/apache-pulsar-grafana-dashboard-k8s:0.0.1611bceacec8fb
stdlib@go1.15.6
1.26.9
1
streamnative/apache-pulsar-grafana-dashboard-k8s:0.0.10ebcf7f033b54
stdlib@go1.13.4
1.26.9
1
streamnative/function-mesh:v0.29.04176923db03c
stdlib@go1.25.13
1.26.9
1
streamnative/pulsar-resources-operator:v0.21.282434bb2a8ad
stdlib@go1.25.12
1.26.9
1
streamnative/pulsar_vault_init:v1.0.731533fa9fab7
stdlib@go1.17.11
1.26.9
1
streamnative/sn-operator:v0.20.17e492b6608418
stdlib@go1.26.6
1.26.9
1
stubin87/tiny-api:v1.1.02e5c42e92ec8
stdlib@go1.19.1
1.26.9
1
su541/cert-manager-desec-webhook:latest371ee33f83c1
stdlib@go1.19.10
1.26.9
1
subspacecommunity/subspace:1.5.0e2042b63fb35
stdlib@go1.14.6
1.26.9
1
summerwind/actions-runner-controller:v0.27.62128f81dbede
stdlib@go1.20.7
1.26.9
1
sumuduliya/hello-world:latestb7788a2984a3
stdlib@go1.19.13
1.26.9
1
supabase/gotrue:v2.189.0385184459f57
stdlib@go1.25.8
1.26.9
1
supabase/gotrue:v2.91.07174d551d720
stdlib@go1.20.7
1.26.9
1
supabase/gotrue:v2.163.0ba4ddc594b0b
stdlib@go1.22.3
1.26.9
1
supabase/postgres:17.6.1.136f371b5f3f2ac
stdlib@go1.26.1
1.26.9
1
superorbital/cludod:0.0.2-alphad59732f61d6e
stdlib@go1.17.6
1.26.9
1
superque/smokeping-prober:v0.11.028ca636d1dee
stdlib@go1.26.1
1.26.9
1
superseriousbusiness/gotosocial:0.22.10078ca451dda
stdlib@go1.25.12
1.26.9
1
supporttools/do-database-metrics-adapter:1.0.2ab55fd5a69c3
stdlib@go1.22.3
1.26.9
1
supporttools/go-redis-proxy:0.0.7cbd45f6b02b8
stdlib@go1.21.6
1.26.9
1
supporttools/k8s-ns-purger:v3bd3001f01f6e
stdlib@go1.23.5
1.26.9
1
supporttools/placeholder:v455dc50d660e149
stdlib@go1.22.4
1.26.9
1
supporttools/powerdns-admin-proxy:5e3687d66bcfa
stdlib@go1.21.3
1.26.9
1
supporttools/rancherresourcescanner:v3d76207db0fa7
stdlib@go1.22.4
1.26.9
1
supporttools/rancher-upgrade-tool:v216f4dc8ef6dd2d
stdlib@go1.22.4
1.26.9
1
supporttools/reflow-ingress-logs:v11aa7194c4c851
stdlib@go1.23.5
1.26.9
1
supporttools/uptime-kuma:v2.6f8a49ed65809
stdlib@go1.19.6
1.26.9
1
supporttools/website:v132603fdbc9e708e
stdlib@go1.22.4
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.