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 |
|---|---|---|---|---|
| grafana/ | f9811e4e687f | stdlib | 1.26.9 | 1 |
| grafana/ | fa801ab6e1ae | stdlib | 1.26.9 | 1 |
| grafana/ | 98f6d1cd1e25 | stdlib | 1.26.9 | 1 |
| grafana/ | 3d85bb66e39b | stdlib | 1.26.9 | 1 |
| grafana/ | 35b02acc6765 | stdlib | 1.26.9 | 1 |
| grafana/ | 6074e01dbe03 | stdlib | 1.26.9 | 1 |
| grafana/ | 6ca6e2cd3b6f | stdlib | 1.26.9 | 1 |
| grafana/ | 757b5fadf816 | stdlib | 1.26.9 | 1 |
| grafana/ | 77e138f81a8e | stdlib | 1.26.9 | 1 |
| grafana/ | 87f0a0676737 | stdlib | 1.26.9 | 1 |
| grafana/ | 882e30c20683 | stdlib | 1.26.9 | 1 |
| grafana/ | 8af2de1abbdd | stdlib | 1.26.9 | 1 |
| grafana/ | 92bd5700577b | stdlib | 1.26.9 | 1 |
| grafana/ | b1da1d23037e | stdlib | 1.26.9 | 1 |
| grafana/ | b3af8ead67d7 | stdlib | 1.26.9 | 1 |
| grafana/ | cd6e176883a9 | stdlib | 1.26.9 | 1 |
| grafana/ | efd47c67f9ba | stdlib | 1.26.9 | 1 |
| grafana/ | 1e9bfcff3867 | stdlib | 1.26.9 | 1 |
| grafana/ | 28d7c00588aa | stdlib | 1.26.9 | 1 |
| grafana/ | 39baf6d67f85 | stdlib | 1.26.9 | 1 |
| grafana/ | 4249db29b992 | stdlib | 1.26.9 | 1 |
| grafana/ | 49e03f80d361 | stdlib | 1.26.9 | 1 |
| grafana/ | 549a40203e97 | stdlib | 1.26.9 | 1 |
| grafana/ | ab2a2569307b | stdlib | 1.26.9 | 1 |
| grafana/ | fbb984bab741 | stdlib | 1.26.9 | 1 |
| grafana/ | 42f541f22063 | stdlib | 1.26.9 | 1 |
| grafana/ | 87b48c8fa1a0 | stdlib | 1.26.9 | 1 |
| grafana/ | 736f7459913d | stdlib | 1.26.9 | 1 |
| grafana/ | 7476e456c738 | stdlib | 1.26.9 | 1 |
| grafana/ | 80c1a8eb24dd | stdlib | 1.26.9 | 1 |
| grafana/ | 85f55510e0d3 | stdlib | 1.26.9 | 1 |
| grafana/ | 92838f113ba5 | stdlib | 1.26.9 | 1 |
| grafana/ | 09d8c3ce4f3a | stdlib | 1.26.9 | 1 |
| grafana/ | 330f990cdad9 | stdlib | 1.26.9 | 1 |
| grafana/ | 072527b12cdf | stdlib | 1.26.9 | 1 |
| grafana/ | 5fd12edcc694 | stdlib | 1.26.9 | 1 |
| grafana/ | 63a2e57a5b14 | stdlib | 1.26.9 | 1 |
| grafana/ | 65bfae480b57 | stdlib | 1.26.9 | 1 |
| grafana/ | 8dcfdf466da0 | stdlib | 1.26.9 | 1 |
| grafana/ | c16c710f7333 | stdlib | 1.26.9 | 1 |
| grafana/ | d3de3da9431c | stdlib | 1.26.9 | 1 |
| grafana/ | 319bf32ae06b | stdlib | 1.26.9 | 1 |
| grafana/ | 86a9ee744848 | stdlib | 1.26.9 | 1 |
| grafana/ | cfd00e7f73c2 | stdlib | 1.26.9 | 1 |
| grafana/ | 32fe838b79dd | stdlib | 1.26.9 | 1 |
| grafana/ | 3409edfb45c7 | stdlib | 1.26.9 | 1 |
| grafana/ | c49161c368a5 | stdlib | 1.26.9 | 1 |
| grafana/ | d3c9093401ca | stdlib | 1.26.9 | 1 |
| grafana/ | d5f33ade9d66 | stdlib | 1.26.9 | 1 |
| grafana/ | 3076b8dcdfb3 | stdlib | 1.26.9 | 1 |