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
- 5,295
- of 18,117 indexed, latest versions
- Container images
- 6,105
- 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 5,295 of 18,117 indexed charts deploy, on 6,105 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 | 6,105 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 9 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,295 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| log-generatorkube-loggingVerified publisher | 0.6.0 | 1 of 1See more | 1,989 |
| logging-demokube-loggingVerified publisher | 4.0.3 | 1 of 1See more | 1,933 |
| log-socketkube-loggingVerified publisher | 0.1.2 | 1 of 1See more | 2,090 |
| kubemacpoolkubemacpoolVerified publisher | 0.3.0 | 1 of 1See more | 2,358 |
| kube-netlagkube-netlagVerified publisher | 1.1.0 | 1 of 1See more | 2,079 |
| kube-node-readykube-node-ready | 0.5.0 | 1 of 1See more | 1,008 |
| kubensynckubensync | 0.14.1 | 1 of 1See more | 223 |
| apm-serverkube-opsVerified publisher | 0.1.2 | 1 of 1See more | 8,444 |
| lokikube-opsVerified publisher | 1.7.3 | 1 of 1See more | 3,887 |
| promtailkube-opsVerified publisher | 1.5.1 | 1 of 2See more | 5,755 |
| kube-ovnkube-ovn-test | 1.14.0 | 1 of 1See more | 6,104 |
| kuberay-apiserverkuberay-operator | 1.7.1 | 2 of 2See more | 794 |
| kuberecordkuberecordVerified publisher | 0.5.0 | 1 of 1See more | 454 |
| kubereportkubereport | 1.1.0 | 1 of 1See more | 1,759 |
| adguard-homekubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 1,072 |
| cloudflaredkubernetes-homelab-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,051 |
| firefly-iiikubernetes-homelab-helm-chartsVerified publisher | 0.1.3 | 1 of 3See more | 5,377 |
| ghostkubernetes-homelab-helm-chartsVerified publisher | 0.2.3 | 2 of 2See more | 4,212 |
| navidromekubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,342 |
| pocket-idkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 2,026 |
| portfolio-trackerkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 3See more | 1,990 |
| qbittorrent-exporterkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 682 |
| scrutinykubernetes-homelab-helm-chartsVerified publisher | 0.2.2 | 2 of 3See more | 6,974 |
| syncthingkubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,654 |
| tor-proxykubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 1,898 |
| umamikubernetes-homelab-helm-chartsVerified publisher | 0.1.0 | 1 of 3See more | 2,946 |
| uptime-kumakubernetes-homelab-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 7,954 |
| kubernetes-netskope-publisherkubernetes-netskope-publisherVerified publisher | 1.5.0 | 1 of 2See more | 41,882 |
| kubernetes-nmstatekubernetes-nmstateVerified publisher | 0.87.0 | 1 of 1See more | 854 |
| brudi-operatorkubernetes-replicator | 0.2.3 | 1 of 1See more | 4,406 |
| harbor-operatorkubernetes-replicator | 1.6.3 | 1 of 1See more | 1,826 |
| kube-httpcachekubernetes-replicator | 0.9.1 | 1 of 1See more | 5,475 |
| kubernetes-secret-generatorkubernetes-replicator | 3.4.1 | 1 of 1See more | 1,408 |
| servicegatewaykubernetes-replicator | 2.3.3 | 1 of 1See more | 1,278 |
| kubernetesweeklykubernetesweekly | 2.1.0 | 1 of 1See more | 2,531 |
| kube-secrets-exporterkube-secrets-exporter | 0.1.0 | 1 of 1See more | 1,119 |
| api-serverkubeshop | 0.11.16 | 1 of 2See more | 3,404 |
| kusk-gatewaykubeshop | 0.0.65 | 1 of 2See more | 2,464 |
| kusk-gateway-apikubeshop | 0.1.28 | 2 of 2See more | 3,964 |
| testkube-apikubeshop | 2.1.162 | 1 of 2See more | 2,211 |
| testkube-logskubeshop | 0.2.2 | 1 of 1See more | 2,054 |
| testkube-operatorkubeshop | 2.1.154 | 2 of 3See more | 2,036 |
| testkube-runnerkubeshop | 2.14.1 | 1 of 1See more | 229 |
| tracetestkubeshop | 0.3.39 | 1 of 2See more | 2,166 |
| cloudnative-pgkube-site-follower | 0.23.0 | 1 of 1See more | 1,463 |
| kubeskoopkubeskoop | 1.0.2 | 2 of 2See more | 5,620 |
| apisix-dashboardkubesphereVerified publisher | 0.3.0 | 1 of 1See more | 3,728 |
| apisix-ingress-controllerkubesphereVerified publisher | 0.8.0 | 1 of 2See more | 3,648 |
| fluentbit-operatorkubesphereVerified publisher | 0.1.0 | 1 of 2See more | 4,140 |
| gitlabkubesphereVerified publisher | 4.2.3 | 6 of 17See more | 50,798 |
Container images carrying it
6,105 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | e0ce8c35124d | stdlib | 1.26.9 | 1 |
| library/ | f71f6d0913c9 | stdlib | 1.26.9 | 1 |
| library/ | 106d5197fd8e | stdlib | 1.26.9 | 1 |
| library/ | 3c1aab708f6e | stdlib | 1.26.9 | 1 |
| library/ | 85b9bf2e29cf | stdlib | 1.26.9 | 1 |
| library/ | 8dbcf531a03a | stdlib | 1.26.9 | 1 |
| library/ | 92dc86967801 | stdlib | 1.26.9 | 1 |
| library/ | 9382e4f6f7f0 | stdlib | 1.26.9 | 1 |
| library/ | bf577825b52a | stdlib | 1.26.9 | 1 |
| library/ | ccb8f749bb5e | stdlib | 1.26.9 | 1 |
| library/ | d58ac93387f6 | stdlib | 1.26.9 | 1 |
| library/ | e2bde46db656 | stdlib | 1.26.9 | 1 |
| library/ | 0764f1952d72 | stdlib | 1.26.9 | 1 |
| library/ | 1cfc36e2e5e6 | stdlib | 1.26.9 | 1 |
| library/ | 2d5fce3229ae | stdlib | 1.26.9 | 1 |
| library/ | 3290c829aa05 | stdlib | 1.26.9 | 1 |
| library/ | 4063edae0717 | stdlib | 1.26.9 | 1 |
| library/ | 777787bbb4c7 | stdlib | 1.26.9 | 1 |
| library/ | 8b3fb2423a8c | stdlib | 1.26.9 | 1 |
| library/ | 952d157e28d5 | stdlib | 1.26.9 | 1 |
| library/ | ac8f88a6494b | stdlib | 1.26.9 | 1 |
| library/ | ad7a43eb7e33 | stdlib | 1.26.9 | 1 |
| library/ | b270f5e24283 | stdlib | 1.26.9 | 1 |
| library/ | b3f2bd84176a | stdlib | 1.26.9 | 1 |
| library/ | b7752304692b | stdlib | 1.26.9 | 1 |
| library/ | bca70839d953 | stdlib | 1.26.9 | 1 |
| library/ | c8cd23806eef | stdlib | 1.26.9 | 1 |
| library/ | ccbe811b8575 | stdlib | 1.26.9 | 1 |
| library/ | d402af4147fc | stdlib | 1.26.9 | 1 |
| library/ | d6c6ae7df4a0 | stdlib | 1.26.9 | 1 |
| library/ | df3dbf761551 | stdlib | 1.26.9 | 1 |
| library/ | f576cdc17cc3 | stdlib | 1.26.9 | 1 |
| library/ | 0ad6861379c9 | stdlib | 1.26.9 | 1 |
| library/ | ced93c701875 | stdlib | 1.26.9 | 1 |
| library/ | 03652c675ae1 | stdlib | 1.26.9 | 1 |
| library/ | 073e7c8b84e2 | stdlib | 1.26.9 | 1 |
| library/ | 14bfab572eec | stdlib | 1.26.9 | 1 |
| library/ | 2d1e636f0778 | stdlib | 1.26.9 | 1 |
| library/ | 2f439458ab6a | stdlib | 1.26.9 | 1 |
| library/ | 304ab8135187 | stdlib | 1.26.9 | 1 |
| library/ | 3a82e1f56c8f | stdlib | 1.26.9 | 1 |
| library/ | 3e7dd0bfd7bf | stdlib | 1.26.9 | 1 |
| library/ | 42df6755a411 | stdlib | 1.26.9 | 1 |
| library/ | 44d837eb4c2e | stdlib | 1.26.9 | 1 |
| library/ | 468e1f126ca5 | stdlib | 1.26.9 | 1 |
| library/ | 539ceaaae49b | stdlib | 1.26.9 | 1 |
| library/ | 557fea37a744 | stdlib | 1.26.9 | 1 |
| library/ | 5c265bf1fd30 | stdlib | 1.26.9 | 1 |
| library/ | 6567bca8d7bc | stdlib | 1.26.9 | 1 |
| library/ | 69e8582b781c | stdlib | 1.26.9 | 1 |