CVE-2026-56866
HighAdvisory
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
- 5,377
- of 18,104 indexed, latest versions
- Container images
- 6,223
- 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 5,377 of 18,104 indexed charts deploy, on 6,223 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+212 more | 1.26.9 | 6,223 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,377 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| prometheus-blackbox-exporterkubegems | 7.1.3 | 1 of 1See more | 2,530 |
| volcanokubegems | 1.12.1 | 3 of 3See more | 6,685 |
| xpai-schedulerkubegems | 1.12.1 | 1 of 2See more | 3,206 |
| gptchat-api-feishubotkubegemsapp | 0.1.1 | 3 of 3See more | 12,055 |
| keycloak-operatorkubehippie-keycloak-operatorVerified publisher | 1.8.1 | 1 of 1See more | 228 |
| stackit-operatorkubehippie-stackit-operator | 1.2.1 | 1 of 1See more | 208 |
| kube-insightkube-insight | 0.1.3 | 1 of 1See more | 762 |
| kubeintellectkubeintellectVerified publisher | 2.6.0 | 2 of 2See more | 2,957 |
| kubelet-summary-exporterkubelet-summary-exporter | 1.0.0 | 1 of 1See more | 1,834 |
| log-generatorkube-loggingVerified publisher | 0.6.0 | 1 of 1See more | 1,981 |
| logging-demokube-loggingVerified publisher | 4.0.3 | 1 of 1See more | 1,926 |
| log-socketkube-loggingVerified publisher | 0.1.2 | 1 of 1See more | 2,083 |
| kubemacpoolkubemacpoolVerified publisher | 0.3.0 | 1 of 1See more | 2,351 |
| kube-netlagkube-netlagVerified publisher | 1.1.0 | 1 of 1See more | 2,071 |
| kube-node-readykube-node-ready | 0.5.0 | 1 of 1See more | 1,001 |
| kubensynckubensync | 0.14.1 | 1 of 1See more | 215 |
| apm-serverkube-opsVerified publisher | 0.1.2 | 1 of 1See more | 8,436 |
| lokikube-opsVerified publisher | 1.7.3 | 1 of 1See more | 3,880 |
| promtailkube-opsVerified publisher | 1.5.1 | 1 of 2See more | 5,748 |
| kube-ovnkube-ovn-test | 1.14.0 | 1 of 1See more | 6,096 |
| kuberay-apiserverkuberay-operator | 1.7.1 | 2 of 2See more | 778 |
| kuberecordkuberecordVerified publisher | 0.5.0 | 1 of 1See more | 446 |
| kubereportkubereport | 1.1.0 | 1 of 1See more | 1,752 |
| adguard-homekubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 1,064 |
| cloudflaredkubernetes-homelab-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,044 |
| firefly-iiikubernetes-homelab-helm-chartsVerified publisher | 0.1.3 | 1 of 3See more | 5,371 |
| ghostkubernetes-homelab-helm-chartsVerified publisher | 0.2.3 | 2 of 2See more | 4,197 |
| navidromekubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,335 |
| pocket-idkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 2,018 |
| portfolio-trackerkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 3See more | 1,982 |
| qbittorrent-exporterkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 675 |
| scrutinykubernetes-homelab-helm-chartsVerified publisher | 0.2.2 | 2 of 3See more | 6,963 |
| syncthingkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,647 |
| tor-proxykubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 1,891 |
| umamikubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 3See more | 2,939 |
| uptime-kumakubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 7,948 |
| kubernetes-netskope-publisherkubernetes-netskope-publisherVerified publisher | 1.5.0 | 1 of 2See more | 42,141 |
| kubernetes-nmstatekubernetes-nmstateVerified publisher | 0.87.0 | 1 of 1See more | 846 |
| brudi-operatorkubernetes-replicator | 0.2.3 | 1 of 1See more | 4,399 |
| harbor-operatorkubernetes-replicator | 1.6.3 | 1 of 1See more | 1,819 |
| kube-httpcachekubernetes-replicator | 0.9.1 | 1 of 1See more | 5,469 |
| kubernetes-secret-generatorkubernetes-replicator | 3.4.1 | 1 of 1See more | 1,400 |
| servicegatewaykubernetes-replicator | 2.3.3 | 1 of 1See more | 1,270 |
| kubernetesweeklykubernetesweekly | 2.1.0 | 1 of 1See more | 2,524 |
| kube-secrets-exporterkube-secrets-exporter | 0.1.0 | 1 of 1See more | 1,112 |
| api-serverkubeshop | 0.11.16 | 1 of 2See more | 3,396 |
| kusk-gatewaykubeshop | 0.0.65 | 1 of 2See more | 2,457 |
| kusk-gateway-apikubeshop | 0.1.28 | 2 of 2See more | 3,949 |
| testkube-apikubeshop | 2.1.162 | 1 of 2See more | 2,203 |
| testkube-logskubeshop | 0.2.2 | 1 of 1See more | 2,046 |
Container images carrying it
6,223 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| alcounit/ | 668e7aee5e5c | stdlib | 1.26.9 | 1 |
| alcounit/ | f0964cda6da6 | stdlib | 1.26.9 | 1 |
| alex6021710/ | 6c7a47e470c3 | stdlib | 1.26.9 | 1 |
| alex6021710/ | 31e533cf7cd3 | stdlib | 1.26.9 | 1 |
| alex6021710/ | 744b8a924f35 | stdlib | 1.26.9 | 1 |
| alex6021710/ | 5837d9b30cc7 | stdlib | 1.26.9 | 1 |
| alex6021710/ | f73e8d60fd03 | stdlib | 1.26.9 | 1 |
| alireza7/ | 02aa86983cdb | stdlib | 1.26.9 | 1 |
| allegroai/ | 772827a01bb5 | stdlib | 1.26.9 | 1 |
| almasood/ | 6ffac9b63cdf | stdlib | 1.26.9 | 1 |
| almir/ | 1698346f6077 | stdlib | 1.26.9 | 1 |
| almorgv/ | 5f2a7d2b44d8 | stdlib | 1.26.9 | 1 |
| alpine/ | 062a01ad7a0e | stdlib | 1.26.9 | 1 |
| alpine/ | 66b210a97bc0 | stdlib | 1.26.9 | 1 |
| alpine/ | c0280cf95723 | stdlib | 1.26.9 | 1 |
| alpine/ | 105741fa6621 | stdlib | 1.26.9 | 1 |
| alpine/ | 905a068da431 | stdlib | 1.26.9 | 1 |
| alpine/ | 00ac10bcb759 | stdlib | 1.26.9 | 1 |
| alpine/ | 21b24e6bf801 | stdlib | 1.26.9 | 1 |
| alpine/ | 6dbe6f391eda | stdlib | 1.26.9 | 1 |
| alpine/ | 7a319b15cfc9 | stdlib | 1.26.9 | 1 |
| alpine/ | 7e1e7d5b7a96 | stdlib | 1.26.9 | 1 |
| alpine/ | 9c4976d47656 | stdlib | 1.26.9 | 1 |
| alpine/ | a41efe02a041 | stdlib | 1.26.9 | 1 |
| alpine/ | b7a12c5ddf26 | stdlib | 1.26.9 | 1 |
| alpine/ | bd01dae02676 | stdlib | 1.26.9 | 1 |
| alpine/ | cd560fce90f7 | stdlib | 1.26.9 | 1 |
| alpine/ | d870622d0040 | stdlib | 1.26.9 | 1 |
| alpine/ | e5c0b053fed7 | stdlib | 1.26.9 | 1 |
| alpine/ | eec354133193 | stdlib | 1.26.9 | 1 |
| alpine/ | fc059f056ad0 | stdlib | 1.26.9 | 1 |
| alpine/ | 1ee9df6316d4 | stdlib | 1.26.9 | 1 |
| alpine/ | 2c59a3f0726c | stdlib | 1.26.9 | 1 |
| alpine/ | 862d86046bbc | stdlib | 1.26.9 | 1 |
| alpine/ | c4a11ae9a1cb | stdlib | 1.26.9 | 1 |
| altinity/ | 1d6f18dbd599 | stdlib | 1.26.9 | 1 |
| altinity/ | 4baec90b20cd | stdlib | 1.26.9 | 1 |
| altinity/ | 74315beb57db | stdlib | 1.26.9 | 1 |
| altinity/ | 7a85f522c5bc | stdlib | 1.26.9 | 1 |
| altinity/ | 8f0f582d41f0 | stdlib | 1.26.9 | 1 |
| altinity/ | a802b3a19d20 | stdlib | 1.26.9 | 1 |
| altinity/ | c60c872fedd8 | stdlib | 1.26.9 | 1 |
| altinity/ | 1a46d104406d | stdlib | 1.26.9 | 1 |
| altinity/ | 2912a6c15b44 | stdlib | 1.26.9 | 1 |
| altinity/ | 6ecf67edfb71 | stdlib | 1.26.9 | 1 |
| altinity/ | a4d7ff0c727e | stdlib | 1.26.9 | 1 |
| altinity/ | a5206c713de7 | stdlib | 1.26.9 | 1 |
| altinity/ | d257a72e6a6a | stdlib | 1.26.9 | 1 |
| alustan/ | c16c34f46ad3 | stdlib | 1.26.9 | 1 |
| amaanx86/ | d7206ac7a319 | stdlib | 1.26.9 | 1 |