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 |
|---|---|---|---|
| mycelmycelOfficialVerified publisher | 3.10.0 | 1 of 1See more | 400 |
| nacknatsVerified publisher | 0.35.0 | 1 of 1See more | 520 |
| ndb-operatorndb-operatorOfficialVerified publisher | 0.5.11 | 1 of 1See more | 231 |
| nebraskanebraska | 3.0.0 | 1 of 2See more | 5,013 |
| netbird-api-exporternetbird-api-exporterVerified publisher | 0.2.18 | 1 of 1See more | 153 |
| netbird-operatornetbird-operator | 0.8.0 | 1 of 1See more | 321 |
| keycloak-operatornewsaktuell | 0.1.7 | 1 of 1See more | 6,404 |
| mstreamnicholaswildeVerified publisher | 2.1.2 | 1 of 1See more | 5,881 |
| gateway-apinicklasfrahm-gateway-apiVerified publisher | 0.2.0 | 1 of 1See more | 1,779 |
| observalobservalVerified publisher | 1.14.0 | 2 of 8See more | 6,742 |
| aws-xrayokgoloveVerified publisher | 5.0.0 | 1 of 1See more | 667 |
| olivetinolivetinOfficialVerified publisher | 4.0.0 | 1 of 1See more | 748 |
| flagsmithone-acre-fundVerified publisher | 0.1.5 | 1 of 6See more | 8,103 |
| kobotoolboxone-acre-fundVerified publisher | 0.7.4 | 2 of 9See more | 24,082 |
| secrets-injectoronepassword-connect | 1.2.0 | 1 of 1See more | 1,582 |
| opentelemetry-ebpfopentelemetry-helmOfficialVerified publisher | 0.1.7 | 1 of 4See more | 3,757 |
| opentelemetry-ebpf-instrumentationopentelemetry-helmOfficialVerified publisher | 0.14.3 | 1 of 1See more | 205 |
| oesopsmxVerified publisher | 4.0.32 | 8 of 25See more | 111,528 |
| pacto-operatorpacto-operatorOfficialVerified publisher | 5.4.2 | 1 of 1See more | 229 |
| ipfs-clusterparadeum-teamVerified publisher | 0.0.19 | 2 of 2See more | 5,730 |
| permifypermifyVerified publisher | 0.5.0 | 1 of 1See more | 1,585 |
| persespersesOfficialVerified publisher | 0.23.3 | 1 of 1See more | 453 |
| platzioplatz-ioVerified publisher | 0.6.5 | 1 of 2See more | 3,647 |
| plecopleco | 0.24.0 | 1 of 1See more | 2,052 |
| ipmi-exporterpnnl-miscscripts | 0.1.15 | 1 of 1See more | 4,368 |
| pomeriumpomerium | 34.0.1 | 1 of 1See more | 2,906 |
| prometheus-memcached-exporterprometheus-communityVerified publisher | 0.6.0 | 1 of 1See more | 243 |
| prometheus-pgbouncer-exporterprometheus-communityVerified publisher | 0.10.1 | 1 of 1See more | 577 |
| prometheus-systemd-exporterprometheus-communityVerified publisher | 0.5.2 | 1 of 1See more | 1,256 |
| prometheus-yet-another-cloudwatch-exporterprometheus-communityVerified publisher | 0.48.0 | 1 of 1See more | 141 |
| kube-prometheus-stackprometheus-worawutchan | 12.8.0 | 4 of 6See more | 17,198 |
| qgis-serverqgis-serverVerified publisher | 0.1.10 | 1 of 3See more | 6,430 |
| nfs-server-provisionerraphaelVerified publisher | 1.3.0 | 1 of 1See more | 3,966 |
| repoflowrepoflow-helm-public | 0.9.1 | 1 of 8See more | 14,528 |
| wordpress-hardenedriotkit-org | 2.0.0 | 2 of 2See more | 8,484 |
| backrestrobertobochetVerified publisher | 0.7.0 | 1 of 1See more | 1,328 |
| supabaserock8sVerified publisher | 0.0.6 | 1 of 1See more | 696 |
| rqliterqliteOfficialVerified publisher | 2.0.0 | 1 of 1See more | 1,796 |
| qbittorrent-vpnrtomik-helm-chartsVerified publisher | 0.0.2 | 1 of 2See more | 1,767 |
| sabliersablier-helm-chartsOfficialVerified publisher | 1.8.1 | 1 of 1See more | 465 |
| satisfactory-serversatisfactoryVerified publisher | 0.1.6 | 1 of 1See more | 4,525 |
| seaweedfs-csi-driverseaweedfs-csi-driver | 0.2.40 | 7 of 7See more | 9,038 |
| seldon-core-operatorseldon | 1.19.0 | 1 of 1See more | 1,374 |
| bentoself-hosters-by-nightVerified publisher | 0.9.1 | 1 of 1See more | 1,776 |
| lldapself-hosters-by-nightVerified publisher | 0.5.2 | 2 of 2See more | 5,028 |
| appshini4iVerified publisher | 0.4.0 | 1 of 1See more | 1,103 |
| skypilotskypilotOfficialVerified publisher | 0.14.0 | 3 of 3See more | 6,164 |
| corednssoftizyVerified publisher | 0.2.0 | 1 of 1See more | 2,544 |
| knative-servingsoftonic | 3.0.0 | 5 of 5See more | 18,834 |
| forecastlestakaterVerified publisher | 2.1.3 | 1 of 1See more | 1,105 |
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 |
|---|---|---|---|---|
| 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/ | 78d208116ec5 | 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 |
| graphiteapp/ | 04a0037cc2ae | stdlib | 1.26.9 | 1 |
| graphprotocol/ | b0436347fb24 | stdlib | 1.26.9 | 1 |
| graphprotocol/ | f4452cdedd68 | stdlib | 1.26.9 | 1 |
| graviteeio/ | 82548747c6c5 | stdlib | 1.26.9 | 1 |