CVE-2026-56866
MediumAdvisory
Published 8 Oct 2026In the index since 9 Oct 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.5
- base score, highest
- EPSS
- 0.002
- 5th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5,544
- of 18,087 indexed, latest versions
- Container images
- 6,392
- deployed by those charts
- Fix available
- 1 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,544 of 18,087 indexed charts deploy, on 6,392 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 | 6,392 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | no fix listed | 1 |
- OSV records
- CGA-54v4-442r-c4x8DEBIAN-CVE-2026-56866GO-2026-6605
- Also known as
- CGA-h688-8p8g-gxgc, CGA-hmf8-6fq9-3ghf, CGA-m9cf-cw7m-mrq2, CGA-q4hr-6p8w-58w4, CGA-vrj7-cmwf-3pg8
- Trending
- Rank 13 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,544 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| nsqbeeinventor | 1.3.0 | 1 of 1See more | 1,322 |
| frigateblakeblackshear | 7.8.0 | 1 of 1See more | 4,227 |
| kube-prometheuschoerodon | 9.3.1 | 4 of 7See more | 17,143 |
| cloudflare-ddnscloudflareVerified publisher | 1.0.3 | 1 of 1See more | 622 |
| timescaledbcloudpirates-timescaledbVerified publisher | 0.13.12 | 1 of 1See more | 1,085 |
| openstack-cinder-csicloud-provider-openstack | 2.36.5 | 7 of 7See more | 6,419 |
| csi-secrets-store-provider-azurecsi-secrets-store-provider-azureVerified publisher | 1.8.2 | 5 of 5See more | 4,813 |
| paperless-ngxfmjstudios | 0.2.8 | 3 of 5See more | 35,065 |
| minifluxgabe565Verified publisher | 0.9.2 | 1 of 2See more | 1,957 |
| cubestoregadsme | 1.2.0 | 1 of 3See more | 3,934 |
| waypointhashicorpVerified publisher | 0.1.21 | 1 of 2See more | 4,963 |
| hivemq-operatorhivemqOfficialVerified publisher | 0.11.62 | 1 of 2See more | 9,407 |
| jaeger-all-in-onejaeger-all-in-oneVerified publisher | 0.1.12 | 1 of 1See more | 1,834 |
| cassandrakubelauncherVerified publisher | 0.1.29 | 1 of 1See more | 1,545 |
| etcdkubelauncherVerified publisher | 0.4.6 | 1 of 1See more | 682 |
| kafkakubelauncherVerified publisher | 0.1.28 | 1 of 1See more | 1,406 |
| keycloakkubelauncherVerified publisher | 0.5.0 | 1 of 1See more | 655 |
| kubectlkubelauncherVerified publisher | 0.3.0 | 1 of 1See more | 981 |
| mariadbkubelauncherVerified publisher | 1.0.0 | 1 of 1See more | 1,006 |
| mongodbkubelauncherVerified publisher | 0.4.7 | 1 of 1See more | 910 |
| rabbitmqkubelauncherVerified publisher | 0.2.16 | 1 of 1See more | 1,280 |
| rediskubelauncherVerified publisher | 0.5.4 | 1 of 1See more | 610 |
| zookeeperkubelauncherVerified publisher | 0.2.12 | 1 of 1See more | 1,209 |
| minecraft-proxyminecraft-server-chartsVerified publisher | 3.10.0 | 1 of 1See more | 3,267 |
| ntfyntfyVerified publisher | 0.5.23 | 1 of 1See more | 141 |
| mauticone-acre-fundVerified publisher | 0.1.7 | 1 of 3See more | 3,701 |
| opentelemetry-kube-stackopentelemetry-helmOfficialVerified publisher | 0.24.3 | 2 of 2See more | 951 |
| purelbpurelb | 0.0.0-106-ipv6-lbip-052cedab | 1 of 2See more | 5,546 |
| dex-k8s-authenticatorsagikazarmarkVerified publisher | 0.0.3 | 1 of 1See more | 3,961 |
| thanosstevehipwellVerified publisher | 1.24.1 | 1 of 1See more | 426 |
| gatustwin | 1.5.0 | 1 of 1See more | 1,130 |
| hedgedocadfinisVerified publisher | 0.6.1 | 1 of 2See more | 4,158 |
| caddyalekcVerified publisher | 0.9.2 | 1 of 1See more | 141 |
| aspnet-corebitnamiVerified publisher | 9.5.1 | 1 of 3See more | 166 |
| yopasscloudhippieVerified publisher | 9.19.0 | 1 of 1See more | 476 |
| connaisseurconnaisseurVerified publisher | 2.13.0 | 2 of 2See more | 4,109 |
| kubeviewcowboysysopVerified publisher | 6.0.0 | 1 of 1See more | 2,541 |
| dependabot-gitlabdependabot-gitlabVerified publisher | 6.3.0 | 3 of 3See more | 43,319 |
| code-serverdeploy-code-server | 1.0.3 | 1 of 2See more | 6,403 |
| devtron-operatordevtron | 0.23.3 | 10 of 11See more | 41,631 |
| drone-runner-kubedroneVerified publisher | 0.1.10 | 1 of 1See more | 3,026 |
| fluent-operatorfluent | 4.3.0 | 1 of 1See more | 362 |
| gatekeepergogatekeeperVerified publisher | 0.1.66 | 1 of 1See more | 131 |
| grafana-operatorgrafana | 5.25.0 | 1 of 1See more | 153 |
| kubernetes-ingresshaproxytechVerified publisher | 1.54.2 | 1 of 1See more | 524 |
| envoy-gatewayhelmforgeVerified publisher | 2.1.2 | 3 of 3See more | 3,386 |
| n8nhelmforgeVerified publisher | 2.1.3 | 1 of 2See more | 1,948 |
| ilumilumOfficialVerified publisher | 6.7.3 | 6 of 19See more | 27,560 |
| syncthingk8s-home-lab-repo | 5.2.0 | 1 of 1See more | 1,466 |
| kube-greenkube-green-officialOfficialVerified publisher | 0.7.1 | 1 of 1See more | 911 |
Container images carrying it
6,392 by charts deploying them
A fixed version is listed for 1 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| enketo/ | dcad9c2273f6 | stdlib | 1.26.9 | 1 |
| envoyproxy/ | ec1f06ee29a7 | stdlib | 1.26.9 | 1 |
| envoyproxy/ | 2a9f99d28567 | stdlib | 1.26.9 | 1 |
| envoyproxy/ | 97b2a036f523 | stdlib | 1.26.9 | 1 |
| envoyproxy/ | 5966cbc14d5d | stdlib | 1.26.9 | 1 |
| envoyproxy/ | 71081616da3e | stdlib | 1.26.9 | 1 |
| envoyproxy/ | b6cb6e16f8c9 | stdlib | 1.26.9 | 1 |
| envoyproxy/ | ede09a75a84c | stdlib | 1.26.9 | 1 |
| epamedp/ | 90f9921d8d58 | stdlib | 1.26.9 | 1 |
| epamedp/ | 96028c86f0dd | stdlib | 1.26.9 | 1 |
| epamedp/ | 616c678ba3e7 | stdlib | 1.26.9 | 1 |
| epamedp/ | 976a662a5e72 | stdlib | 1.26.9 | 1 |
| epamedp/ | 93417e18bb1a | stdlib | 1.26.9 | 1 |
| epamedp/ | 924939850655 | stdlib | 1.26.9 | 1 |
| epamedp/ | 8de22fc5051c | stdlib | 1.26.9 | 1 |
| epamedp/ | b71fb39e0c9e | stdlib | 1.26.9 | 1 |
| epamedp/ | 28ef56bc0ca3 | stdlib | 1.26.9 | 1 |
| epamedp/ | ff25e9fe4419 | stdlib | 1.26.9 | 1 |
| epamedp/ | 5d352199e12e | stdlib | 1.26.9 | 1 |
| epamedp/ | a5398eaa7b80 | stdlib | 1.26.9 | 1 |
| epamedp/ | 449a53804699 | stdlib | 1.26.9 | 1 |
| epamedp/ | 9fede333ef27 | stdlib | 1.26.9 | 1 |
| epamedp/ | bd2079b7bfcb | stdlib | 1.26.9 | 1 |
| epamedp/ | d33e938b6d59 | stdlib | 1.26.9 | 1 |
| epamedp/ | 661d1648a49a | stdlib | 1.26.9 | 1 |
| epamedp/ | 67d896676f45 | stdlib | 1.26.9 | 1 |
| eqalpha/ | fd9351ce27a7 | stdlib | 1.26.9 | 1 |
| erenozcan17/ | 50b4f23422b6 | stdlib | 1.26.9 | 1 |
| erigontech/ | 28ee51ce29ec | stdlib | 1.26.9 | 1 |
| erigontech/ | 88706754b627 | stdlib | 1.26.9 | 1 |
| erudikaltd/ | a6aba08c21fa | stdlib | 1.26.9 | 1 |
| escaping/ | 87fa79255962 | stdlib | 1.26.9 | 1 |
| etejeda/ | 737d58183abc | stdlib | 1.26.9 | 1 |
| ethereum/ | 03604c12f612 | stdlib | 1.26.9 | 1 |
| ethereum/ | 1f36ca5922a5 | stdlib | 1.26.9 | 1 |
| ethereum/ | 32b878e4144a | stdlib | 1.26.9 | 1 |
| ethereum/ | 4753febf6e7c | stdlib | 1.26.9 | 1 |
| ethereum/ | 5ab9a76153b0 | stdlib | 1.26.9 | 1 |
| ethereum/ | 6d6d12a40465 | stdlib | 1.26.9 | 1 |
| ethereum/ | 886ec69b35b0 | stdlib | 1.26.9 | 1 |
| ethereum/ | cce21b423165 | stdlib | 1.26.9 | 1 |
| ethereum/ | d99fbb9585c7 | stdlib | 1.26.9 | 1 |
| ethereumoptimism/ | e07968a0e686 | stdlib | 1.26.9 | 1 |
| ethereumoptimism/ | 5577036dc36d | stdlib | 1.26.9 | 1 |
| etherpad/ | 6f87beef31d9 | stdlib | 1.26.9 | 1 |
| ethersphere/ | a884fd84b72f | stdlib | 1.26.9 | 1 |
| ethersphere/ | e3bc0da9ffde | stdlib | 1.26.9 | 1 |
| ethersphere/ | 3a8a3926caa2 | stdlib | 1.26.9 | 1 |
| ethersphere/ | 513154aab230 | stdlib | 1.26.9 | 1 |
| ethpandaops/ | 1a9c3264f0a9 | stdlib | 1.26.9 | 1 |