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 |
|---|---|---|---|---|
| prom/ | 5880ec936055 | stdlib | 1.26.9 | 1 |
| prom/ | 6976aa8a60fe | stdlib | 1.26.9 | 1 |
| prom/ | b440bc0e8aa5 | stdlib | 1.26.9 | 1 |
| prom/ | cd134bd4fca0 | stdlib | 1.26.9 | 1 |
| prom/ | d936808bdea5 | stdlib | 1.26.9 | 1 |
| prom/ | f7ffebdd428b | stdlib | 1.26.9 | 1 |
| prom/ | 4a377d1a0eaa | stdlib | 1.26.9 | 1 |
| prom/ | 28fe26c8b8b1 | stdlib | 1.26.9 | 1 |
| prom/ | 3496e0f85943 | stdlib | 1.26.9 | 1 |
| prom/ | 9d226d7de223 | stdlib | 1.26.9 | 1 |
| prom/ | 1d5d341c4eb7 | stdlib | 1.26.9 | 1 |
| prom/ | 61d866e93b56 | stdlib | 1.26.9 | 1 |
| prom/ | 632f70580492 | stdlib | 1.26.9 | 1 |
| prom/ | 8be660470961 | stdlib | 1.26.9 | 1 |
| promzeus/ | 82f6d56e280b | stdlib | 1.26.9 | 1 |
| prowlercloud/ | 4f252d579be2 | stdlib | 1.26.9 | 1 |
| pschiffe/ | 37ebba8c2b8f | stdlib | 1.26.9 | 1 |
| pschiffe/ | a7d2d021c788 | stdlib | 1.26.9 | 1 |
| pschiffe/ | a227d41bc665 | stdlib | 1.26.9 | 1 |
| pubeldev/ | 1091665a020a | stdlib | 1.26.9 | 1 |
| pulumi/ | 7dace4491358 | stdlib | 1.26.9 | 1 |
| purestream711/ | d09ad584cc96 | stdlib | 1.26.9 | 1 |
| pysga1996/ | 3af6d0c7db19 | stdlib | 1.26.9 | 1 |
| qichenxu4pd/ | d758d41d9c6b | stdlib | 1.26.9 | 1 |
| qmcgaw/ | 1a5bf4b4820a | stdlib | 1.26.9 | 1 |
| qmcgaw/ | 2b42bfa04675 | stdlib | 1.26.9 | 1 |
| qonstrukt/ | 089af7925aa1 | stdlib | 1.26.9 | 1 |
| qoveryrd/ | b30a9398a83c | stdlib | 1.26.9 | 1 |
| questdb/ | 67eaed863ebb | stdlib | 1.26.9 | 1 |
| quiq/ | 91281da47036 | stdlib | 1.26.9 | 1 |
| qumine/ | f2c8a2148381 | stdlib | 1.26.9 | 1 |
| qumine/ | c0b650d51132 | stdlib | 1.26.9 | 1 |
| rabbitmqoperator/ | 231e7ce0e905 | stdlib | 1.26.9 | 1 |
| rabbitmqoperator/ | 840be4bad78e | stdlib | 1.26.9 | 1 |
| rabbitmqoperator/ | 8651dd3cec51 | stdlib | 1.26.9 | 1 |
| rahulbhiwagade122/ | 08490b70998c | stdlib | 1.26.9 | 1 |
| ralexstokes/ | c0d4bbefd31f | stdlib | 1.26.9 | 1 |
| rancher/ | 31f39589e1f8 | stdlib | 1.26.9 | 1 |
| rancher/ | 2581c5490bab | stdlib | 1.26.9 | 1 |
| rancher/ | 4f0fd4a0201c | stdlib | 1.26.9 | 1 |
| rancher/ | 7f45198aac99 | stdlib | 1.26.9 | 1 |
| rancher/ | de22a17107b6 | stdlib | 1.26.9 | 1 |
| rancher/ | 66d66121b3ef | stdlib | 1.26.9 | 1 |
| rancher/ | 7d0f41b72eb7 | stdlib | 1.26.9 | 1 |
| rancher/ | 7b122b30e5c6 | stdlib | 1.26.9 | 1 |
| rancher/ | 8c5fdf6a1fd7 | stdlib | 1.26.9 | 1 |
| rancher/ | 5fb3954ccef4 | stdlib | 1.26.9 | 1 |
| rancher/ | eb75514c6979 | stdlib | 1.26.9 | 1 |
| rancher/ | 946ae0d13229 | stdlib | 1.26.9 | 1 |
| rancher/ | 8c2599ecfca8 | stdlib | 1.26.9 | 1 |