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 |
|---|---|---|---|
| beszelnatpnk-k8s | 1.0.0 | 2 of 2See more | 414 |
| nats-account-servernatsVerified publisher | 0.8.1 | 1 of 1See more | 3,656 |
| surveyornatsVerified publisher | 0.20.9 | 1 of 1See more | 1,239 |
| natz-operatornatz-operatorVerified publisher | 0.9.5 | 1 of 1See more | 1,279 |
| spring-helmnaveenalla-springboot | 1.0.0 | 1 of 2See more | 1,919 |
| clowder2ncsaVerified publisher | 1.9.7 | 6 of 12See more | 45,996 |
| netbox-operatornetboxOfficialVerified publisher | 1.2.191 | 1 of 1See more | 201 |
| netobserv-operatornetobservOfficialVerified publisher | 2.0.1 | 1 of 1See more | 252 |
| monitorneuvectorchartsVerified publisher | 2.11.2 | 1 of 1See more | 238 |
| cluster-issuersnginx-cert-charts | 0.3.0 | 4 of 4See more | 3,919 |
| ngrok-operatorngrok-operator | 1.1.0 | 1 of 2See more | 2,945 |
| cloud9nicholaswildeVerified publisher | 1.0.0 | 1 of 1See more | 13,011 |
| gotifynicholaswildeVerified publisher | 1.0.0 | 1 of 1See more | 3,972 |
| installernicholaswildeVerified publisher | 1.0.0 | 1 of 1See more | 2,272 |
| shiorinicholaswildeVerified publisher | 1.0.1 | 1 of 1See more | 3,496 |
| writefreelynicholaswildeVerified publisher | 1.0.0 | 1 of 1See more | 9,493 |
| node-exporternode-exporterVerified publisher | 0.1.10 | 1 of 1See more | 1,941 |
| helm-composenousefreakVerified publisher | 0.1.3 | 1 of 2See more | 15,848 |
| nri-resource-policy-balloonsnri-pluginsOfficialVerified publisher | 0.14.0 | 1 of 1See more | 692 |
| nri-resource-policy-topology-awarenri-pluginsOfficialVerified publisher | 0.14.0 | 1 of 1See more | 692 |
| nutanix-csi-snapshotnutanix-helm-releasesOfficialVerified publisher | 8.3.0 | 1 of 1See more | 920 |
| nvidia-gpu-exporternvidia-gpu-exporterVerified publisher | 2.15.1 | 1 of 1See more | 518 |
| octopuso7studios-octopus-helm-chartsOfficialVerified publisher | 1.2.3 | 4 of 5See more | 8,149 |
| oadaoadaVerified publisher | 5.0.6 | 1 of 11See more | 15,444 |
| opengistobeoneVerified publisher | 1.1.6 | 1 of 1See more | 789 |
| transfer.shobeoneVerified publisher | 1.0.5 | 1 of 1See more | 1,854 |
| oci-native-ingress-controlleroci-native-ingress-controller | 1.0.0 | 1 of 1See more | 938 |
| ociregistryociregistryVerified publisher | 1.20.0 | 1 of 1See more | 205 |
| growthbookone-acre-fundVerified publisher | 0.3.0 | 1 of 3See more | 1,828 |
| oom-oracleoom-oracleVerified publisher | 0.1.2 | 1 of 1See more | 201 |
| open5gs-hssopen5gs-hssVerified publisher | 2.3.3 | 1 of 2See more | 694 |
| open5gs-pcrfopen5gs-pcrfVerified publisher | 2.3.3 | 1 of 2See more | 694 |
| open5gs-scpopen5gs-scpVerified publisher | 2.3.4 | 1 of 2See more | 694 |
| open5gs-udropen5gs-udrVerified publisher | 2.3.4 | 1 of 2See more | 694 |
| open5gs-webuiopen5gs-webuiVerified publisher | 2.3.3 | 1 of 2See more | 7,179 |
| openccuopenccuVerified publisher | 3.89.11 | 1 of 1See more | 1,921 |
| kruiseopenkruise | 1.9.1 | 2 of 2See more | 2,862 |
| openobserveopenobserve | 1.0.2 | 5 of 6See more | 4,463 |
| openrouter-botopenrouter-botVerified publisher | 0.2.0 | 1 of 1See more | 1,461 |
| librechatopenshift | 1.9.0 | 1 of 3See more | 6,835 |
| openstack-kamaji-clusteropenstack-kamaji-clusterVerified publisher | 0.2.4 | 1 of 1See more | 1,259 |
| opentelemetry-demoopentelemetry-helmOfficialVerified publisher | 0.42.3 | 10 of 34See more | 26,826 |
| openvaultopenvaultVerified publisher | 0.9.0 | 1 of 2See more | 8,163 |
| openvox-operatoropenvox-operatorVerified publisher | 0.14.0 | 1 of 1See more | 245 |
| opikopikOfficialVerified publisher | 2.2.96 | 6 of 12See more | 16,291 |
| opsopsVerified publisher | 1.2.0 | 2 of 2See more | 101,008 |
| orbitalregorbitalregVerified publisher | 0.4.0 | 3 of 5See more | 5,488 |
| kubernetes-dashboard-proxyosc | 0.7.2 | 3 of 4See more | 9,101 |
| osc-bsu-csi-driverosc-bsu-csi-driverVerified publisher | 2.2.0 | 6 of 6See more | 4,702 |
| httpbinowan-charts | 0.1.9 | 1 of 1See more | 248 |
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 |
|---|---|---|---|---|
| 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 |
| ethpandaops/ | 1efa2fba6711 | stdlib | 1.26.9 | 1 |
| ethpandaops/ | ad26158420dd | stdlib | 1.26.9 | 1 |
| ethpandaops/ | a04c231ce0e8 | stdlib | 1.26.9 | 1 |
| ethpandaops/ | 99f52ce7bad8 | stdlib | 1.26.9 | 1 |