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
- 5,533
- of 18,090 indexed, latest versions
- Container images
- 6,378
- deployed by those charts
- Fix available
- 2 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,533 of 18,090 indexed charts deploy, on 6,378 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 | 6,378 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | 1.15.10-r8 | 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 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,533 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| renterdartur9010Verified publisher | 1.4.4 | 2 of 2See more | 9,944 |
| nsqbeeinventor | 1.3.0 | 1 of 1See more | 1,374 |
| frigateblakeblackshear | 7.8.0 | 1 of 1See more | 4,303 |
| kube-prometheuschoerodon | 9.3.1 | 4 of 7See more | 17,449 |
| cloudflare-ddnscloudflareVerified publisher | 1.0.3 | 1 of 1See more | 674 |
| timescaledbcloudpirates-timescaledbVerified publisher | 0.13.12 | 1 of 1See more | 1,136 |
| openstack-cinder-csicloud-provider-openstack | 2.36.5 | 7 of 7See more | 6,956 |
| csi-secrets-store-provider-azurecsi-secrets-store-provider-azureVerified publisher | 1.8.2 | 5 of 5See more | 5,195 |
| paperless-ngxfmjstudios | 0.2.8 | 3 of 5See more | 35,312 |
| minifluxgabe565Verified publisher | 0.9.2 | 1 of 2See more | 2,033 |
| cubestoregadsme | 1.2.0 | 1 of 3See more | 4,023 |
| waypointhashicorpVerified publisher | 0.1.21 | 1 of 2See more | 5,039 |
| hivemq-operatorhivemqOfficialVerified publisher | 0.11.62 | 1 of 2See more | 9,485 |
| jaeger-all-in-onejaeger-all-in-oneVerified publisher | 0.1.12 | 1 of 1See more | 1,910 |
| cassandrakubelauncherVerified publisher | 0.1.29 | 1 of 1See more | 1,596 |
| etcdkubelauncherVerified publisher | 0.4.6 | 1 of 1See more | 759 |
| kafkakubelauncherVerified publisher | 0.1.28 | 1 of 1See more | 1,458 |
| keycloakkubelauncherVerified publisher | 0.5.0 | 1 of 1See more | 707 |
| kubectlkubelauncherVerified publisher | 0.3.0 | 1 of 1See more | 1,058 |
| mariadbkubelauncherVerified publisher | 1.0.0 | 1 of 1See more | 1,057 |
| mongodbkubelauncherVerified publisher | 0.4.7 | 1 of 1See more | 987 |
| rabbitmqkubelauncherVerified publisher | 0.2.16 | 1 of 1See more | 1,332 |
| rediskubelauncherVerified publisher | 0.5.4 | 1 of 1See more | 662 |
| zookeeperkubelauncherVerified publisher | 0.2.12 | 1 of 1See more | 1,261 |
| minecraft-proxyminecraft-server-chartsVerified publisher | 3.10.0 | 1 of 1See more | 3,344 |
| ntfyntfyVerified publisher | 0.5.23 | 1 of 1See more | 218 |
| mauticone-acre-fundVerified publisher | 0.1.7 | 1 of 3See more | 3,779 |
| opentelemetry-kube-stackopentelemetry-helmOfficialVerified publisher | 0.24.3 | 2 of 2See more | 1,104 |
| purelbpurelb | 0.0.0-106-ipv6-lbip-052cedab | 1 of 2See more | 5,623 |
| dex-k8s-authenticatorsagikazarmarkVerified publisher | 0.0.3 | 1 of 1See more | 4,038 |
| thanosstevehipwellVerified publisher | 1.24.1 | 1 of 1See more | 502 |
| gatustwin | 1.5.0 | 1 of 1See more | 1,206 |
| hedgedocadfinisVerified publisher | 0.6.1 | 1 of 2See more | 4,221 |
| caddyalekcVerified publisher | 0.9.2 | 1 of 1See more | 218 |
| aspnet-corebitnamiVerified publisher | 9.5.1 | 1 of 3See more | 243 |
| connaisseurconnaisseurVerified publisher | 2.13.0 | 2 of 2See more | 4,251 |
| kubeviewcowboysysopVerified publisher | 6.0.0 | 1 of 1See more | 2,617 |
| dependabot-gitlabdependabot-gitlabVerified publisher | 6.3.0 | 3 of 3See more | 43,493 |
| code-serverdeploy-code-server | 1.0.3 | 1 of 2See more | 6,454 |
| devtron-operatordevtron | 0.23.3 | 10 of 11See more | 42,391 |
| drone-runner-kubedroneVerified publisher | 0.1.10 | 1 of 1See more | 3,102 |
| fluent-operatorfluent | 4.3.0 | 1 of 1See more | 438 |
| gatekeepergogatekeeperVerified publisher | 0.1.66 | 1 of 1See more | 208 |
| grafana-operatorgrafana | 5.25.0 | 1 of 1See more | 230 |
| kubernetes-ingresshaproxytechVerified publisher | 1.54.2 | 1 of 1See more | 601 |
| envoy-gatewayhelmforgeVerified publisher | 2.1.2 | 3 of 3See more | 3,591 |
| n8nhelmforgeVerified publisher | 2.1.3 | 1 of 2See more | 2,000 |
| ilumilumOfficialVerified publisher | 6.7.3 | 6 of 19See more | 28,057 |
| syncthingk8s-home-lab-repo | 5.2.0 | 1 of 1See more | 1,541 |
| kube-greenkube-green-officialOfficialVerified publisher | 0.7.1 | 1 of 1See more | 987 |
Container images carrying it
6,378 by charts deploying them
A fixed version is listed for 2 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | dd9b303aed4f | stdlib | 1.26.9 | 1 |
| library/ | e22328f4d714 | stdlib | 1.26.9 | 1 |
| library/ | fbb8456ebdb1 | stdlib | 1.26.9 | 1 |
| library/ | fcc7fcd7114a | stdlib | 1.26.9 | 1 |
| library/ | 0032d2ca20db | stdlib | 1.26.9 | 1 |
| library/ | 05678ae4e5e1 | stdlib | 1.26.9 | 1 |
| library/ | 3b6c281e1c08 | stdlib | 1.26.9 | 1 |
| library/ | 3d0e6df9fd5b | stdlib | 1.26.9 | 1 |
| library/ | 50cae5081ab4 | stdlib | 1.26.9 | 1 |
| library/ | 61dd87ff554d | stdlib | 1.26.9 | 1 |
| library/ | 646902910d6a | stdlib | 1.26.9 | 1 |
| library/ | 699d652ed674 | stdlib | 1.26.9 | 1 |
| library/ | 71a63fc2438e | stdlib | 1.26.9 | 1 |
| library/ | 7c81758cb295 | stdlib | 1.26.9 | 1 |
| library/ | 88785f6f665a | stdlib | 1.26.9 | 1 |
| library/ | ae1cf99fa7bf | stdlib | 1.26.9 | 1 |
| library/ | d0d926f94df0 | stdlib | 1.26.9 | 1 |
| library/ | d23ec07162ca | stdlib | 1.26.9 | 1 |
| library/ | d731d77bfd7a | stdlib | 1.26.9 | 1 |
| library/ | dca8d11fe467 | stdlib | 1.26.9 | 1 |
| library/ | e0ce8c35124d | 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/ | 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 |