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
pacmanpacman-mhVerified publisher0.1.281 of 2See more

pacman pacman-mh 0.1.28

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

Container imageDigestPackageFixed in
library/mongo:7.0.28-jammy88785f6f665a
stdlib@go1.24.0
1.26.9

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4,299
pact-brokerpact-broker-chart0.2.11 of 2See more

pact-broker pact-broker-chart 0.2.1

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

Container imageDigestPackageFixed in
pactfoundation/pact-broker:2.100.0.163801b40a4e9
stdlib@go1.14.4
1.26.9

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4,046
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

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21,570
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 →

21,570
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

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21,570
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

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21,570
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

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21,570
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

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21,570
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

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21,570
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

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21,570
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

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21,570
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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21,570
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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21,570
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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21,570
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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21,570
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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21,570
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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21,570
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 →

21,570
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 →

21,570
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 →

21,570
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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21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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 →

21,570
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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2,743
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 →

1,603
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

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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

Open the chart page →

4,815
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 →

2,727
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 →

3,501
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 →

5,081
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 →

1,284
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 →

5,013
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

Container images carrying it

6,115 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/sergelogvinov/keydb:6.3.376a19ddc3626
stdlib@go1.18.10
1.26.9
1
ghcr.io/sergelogvinov/mongodb:8.0.101eee8e20a87f
stdlib@go1.23.8
1.26.9
1
ghcr.io/sergelogvinov/mongosqld:2.14.230b826375ed42
stdlib@go1.23.8
1.26.9
1
ghcr.io/sergelogvinov/mongosync:1.15.0fa99ed475f03
stdlib@go1.24.4
1.26.9
1
ghcr.io/sergelogvinov/node-labels-exporter:v0.5.1dd6875a0a963
stdlib@go1.25.5
1.26.9
1
ghcr.io/sergelogvinov/pgbouncer:16.1518f1121ba0a4
stdlib@go1.24.6
1.26.9
1
ghcr.io/sergelogvinov/postgresql:16.15fafb72e98f22
stdlib@go1.24.6
1.26.9
1
ghcr.io/sergelogvinov/proxmox-cloud-controller-manager:v0.16.1474dbfd3be5c
stdlib@go1.27.1
1.26.9
1
ghcr.io/sergelogvinov/proxmox-csi-controller:v0.20.095ef74cce03e
stdlib@go1.26.5
1.26.9
1
ghcr.io/sergelogvinov/proxmox-csi-node:v0.20.0e0151137a1c5
stdlib@go1.26.5
1.26.9
1
ghcr.io/sergelogvinov/tailscale:1.102.5591864822ac1
stdlib@go1.26.6
1.26.9
1
ghcr.io/sergeyslonimsky/elara:0.5.2a410a7ed1ee8
stdlib@go1.27.0
1.26.9
1
ghcr.io/shaharia-lab/teredix:0.0.2ec727be4417a
stdlib@go1.21.5
1.26.9
1
ghcr.io/shift/domain_exporter:v0.1.1347e27690a816
stdlib@go1.17.8
1.26.9
1
ghcr.io/shini4i/argo-watcher:v1.4.20faab179997f
stdlib@go1.27.1
1.26.9
1
ghcr.io/shizunge/endlessh-go:2026.0730.08826dad32623
stdlib@go1.26.5
1.26.9
1
ghcr.io/shopware/shopware-operator:1.11.18271b5624693
stdlib@go1.27.0
1.26.9
1
ghcr.io/siafoundation/renterd:2.9.0e0334f124863
stdlib@go1.26.0
1.26.9
1
ghcr.io/siafoundation/s3d:bf33bf3b3fcc85f7282
stdlib@go1.26.2
1.26.9
1
ghcr.io/siderolabs/talos-backup:v0.1.0-beta.203a71e140f1d
stdlib@go1.23.0
1.26.9
1
ghcr.io/sigstore/policy-controller/policy-controller0bcd60beb93f
stdlib@go1.24.7
1.26.9
1
ghcr.io/sigstore/rekor-tiles/gcp:v2.2.1e401cfe033c9
stdlib@go1.26.3
1.26.9
1
ghcr.io/sigstore/scaffolding/serverb5b67a424904
stdlib@go1.27.0
1.26.9
1
ghcr.io/sigstore/sigstore-probers/prober:v1.0.1d1e914e6d6b9
stdlib@go1.26.0
1.26.9
1
ghcr.io/sigstore/timestamp-server:v2.1.472be23a6a101
stdlib@go1.27.1
1.26.9
1
ghcr.io/sikalabs/hello-world-server:latestcf8538bf6489
stdlib@go1.26.2
1.26.9
1
ghcr.io/sillytavern/sillytavern:1.19.0eef27ff0c796
stdlib@go1.25.10
1.26.9
1
ghcr.io/simonepri/prometheus-api-bridge:0.3.0b34c8f218cea
stdlib@go1.26.6
1.26.9
1
ghcr.io/sintef/cert-manager-webhook-gandi:0.6.06819b34ccac8
stdlib@go1.22.0
1.26.9
1
ghcr.io/skyhook-io/skyhook-connector:v2.3.23deb8e4b1aaa
stdlib@go1.26.0
1.26.9
1
ghcr.io/skyhook-io/skyhook-connector:v2.5.56c4e3336600d
stdlib@go1.26.4
1.26.9
1
ghcr.io/slauger/alertmanager-graph-bridge:1.0.0ccca112b6557
stdlib@go1.27.1
1.26.9
1
ghcr.io/slauger/crashloop-operator:0.1.076e0216124b7
stdlib@go1.27.1
1.26.9
1
ghcr.io/slauger/openvox-operator:0.14.0178b6dab6c8c
stdlib@go1.27.1
1.26.9
1
ghcr.io/slinkyproject/slurm-bridge-admission:1.2.3042e3827a68f
stdlib@go1.26.8
1.26.9
1
ghcr.io/slinkyproject/slurm-bridge-controllers:1.2.3e2e3e2c82d2c
stdlib@go1.26.8
1.26.9
1
ghcr.io/slinkyproject/slurm-bridge-scheduler:1.2.353db9c40f2b9
stdlib@go1.26.8
1.26.9
1
ghcr.io/slinkyproject/slurm-operator:1.2.3b35e76c09e58
stdlib@go1.26.8
1.26.9
1
ghcr.io/slinkyproject/slurm-operator-webhook:1.2.368a4460abaa1
stdlib@go1.26.8
1.26.9
1
ghcr.io/slok/sloth:v0.16.0f0f0075b0d45
stdlib@go1.26.1
1.26.9
1
ghcr.io/slskd/slskd:0.25.1ab9ed50e028b
stdlib@go1.22.2
1.26.9
1
ghcr.io/snapp-incubator/health-exporter:0.3.252a0d8f6278c
stdlib@go1.17.2
1.26.9
1
ghcr.io/sngular/gitops-echobot:v0.2.23cde2e04b739
stdlib@go1.16.5
1.26.9
1
ghcr.io/sngular/gitops-webhook:v0.2.1caa1c77a5750
stdlib@go1.16.2
1.26.9
1
ghcr.io/solid3dlab/uptime-operator:0.7.085264734084a
stdlib@go1.27.1
1.26.9
1
ghcr.io/spegel-org/spegel26c60b05e08a
stdlib@go1.26.5
1.26.9
1
ghcr.io/spidernet-io/egressgateway-agent:v0.6.9a8ec2f74c9d0
stdlib@go1.24.4
1.26.9
1
ghcr.io/spidernet-io/egressgateway-controller:v0.6.99deda7b68c34
stdlib@go1.24.4
1.26.9
1
ghcr.io/spidernet-io/spiderpool/spiderpool-agent:v1.2.08bb9411e47e0
stdlib@go1.25.7
1.26.9
1
ghcr.io/spidernet-io/spiderpool/spiderpool-controller:v1.2.042304e3ed36e
stdlib@go1.25.7
1.26.9
1

syft 1.42.1 · advisories as of 16 Oct 2026

Corrections: contact@stackradar.io

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