CVE-2026-56866
MediumAdvisory
Published 8 Oct 2026In the index since 9 Oct 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.5
- base score, highest
- EPSS
- 0.002
- 5th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5,544
- of 18,087 indexed, latest versions
- Container images
- 6,392
- deployed by those charts
- Fix available
- 1 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,544 of 18,087 indexed charts deploy, on 6,392 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 | 6,392 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | no fix listed | 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 13 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,544 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| mortalgpumortalgpuOfficialVerified publisher | 1.3.7 | 1 of 1See more | 711 |
| move2kubemove2kube | 0.3.15 | 1 of 1See more | 4,795 |
| mycelmycelOfficialVerified publisher | 3.10.0 | 1 of 1See more | 323 |
| nacknatsVerified publisher | 0.35.0 | 1 of 1See more | 444 |
| ndb-operatorndb-operatorOfficialVerified publisher | 0.5.11 | 1 of 1See more | 154 |
| nebraskanebraska | 3.0.0 | 1 of 2See more | 4,923 |
| netbird-api-exporternetbird-api-exporterVerified publisher | 0.2.17 | 1 of 1See more | 269 |
| netbird-operatornetbird-operator | 0.8.0 | 1 of 1See more | 245 |
| keycloak-operatornewsaktuell | 0.1.7 | 1 of 1See more | 6,328 |
| mstreamnicholaswildeVerified publisher | 2.1.2 | 1 of 1See more | 5,807 |
| gateway-apinicklasfrahm-gateway-apiVerified publisher | 0.2.0 | 1 of 1See more | 1,702 |
| observalobservalVerified publisher | 1.14.0 | 2 of 8See more | 6,591 |
| aws-xrayokgoloveVerified publisher | 5.0.0 | 1 of 1See more | 590 |
| olivetinolivetinOfficialVerified publisher | 4.0.0 | 1 of 1See more | 672 |
| flagsmithone-acre-fundVerified publisher | 0.1.5 | 1 of 6See more | 8,027 |
| kobotoolboxone-acre-fundVerified publisher | 0.7.4 | 2 of 9See more | 23,953 |
| secrets-injectoronepassword-connect | 1.2.0 | 1 of 1See more | 1,506 |
| opentelemetry-ebpfopentelemetry-helmOfficialVerified publisher | 0.1.7 | 1 of 4See more | 3,680 |
| opentelemetry-ebpf-instrumentationopentelemetry-helmOfficialVerified publisher | 0.14.3 | 1 of 1See more | 128 |
| oesopsmxVerified publisher | 4.0.32 | 8 of 25See more | 110,976 |
| pacto-operatorpacto-operatorOfficialVerified publisher | 5.4.2 | 1 of 1See more | 152 |
| ipfs-clusterparadeum-teamVerified publisher | 0.0.19 | 2 of 2See more | 5,577 |
| permifypermifyVerified publisher | 0.5.0 | 1 of 1See more | 1,509 |
| persespersesOfficialVerified publisher | 0.23.3 | 1 of 1See more | 377 |
| platzioplatz-ioVerified publisher | 0.6.5 | 1 of 2See more | 3,571 |
| plecopleco | 0.24.0 | 1 of 1See more | 1,975 |
| ipmi-exporterpnnl-miscscripts | 0.1.15 | 1 of 1See more | 4,317 |
| pomeriumpomerium | 34.0.1 | 1 of 1See more | 2,830 |
| prometheus-memcached-exporterprometheus-communityVerified publisher | 0.6.0 | 1 of 1See more | 166 |
| prometheus-pgbouncer-exporterprometheus-communityVerified publisher | 0.10.1 | 1 of 1See more | 502 |
| prometheus-systemd-exporterprometheus-communityVerified publisher | 0.5.2 | 1 of 1See more | 1,180 |
| prometheus-yet-another-cloudwatch-exporterprometheus-communityVerified publisher | 0.48.0 | 1 of 1See more | 89 |
| kube-prometheus-stackprometheus-worawutchan | 12.8.0 | 4 of 6See more | 16,893 |
| qgis-serverqgis-serverVerified publisher | 0.1.10 | 1 of 3See more | 6,339 |
| nfs-server-provisionerraphaelVerified publisher | 1.3.0 | 1 of 1See more | 3,890 |
| repoflowrepoflow-helm-public | 0.9.1 | 1 of 8See more | 14,455 |
| wordpress-hardenedriotkit-org | 2.0.0 | 2 of 2See more | 8,355 |
| backrestrobertobochetVerified publisher | 0.7.0 | 1 of 1See more | 1,252 |
| supabaserock8sVerified publisher | 0.0.6 | 1 of 1See more | 644 |
| rqliterqliteOfficialVerified publisher | 2.0.0 | 1 of 1See more | 1,720 |
| qbittorrent-vpnrtomik-helm-chartsVerified publisher | 0.0.2 | 1 of 2See more | 1,690 |
| sabliersablier-helm-chartsOfficialVerified publisher | 1.8.1 | 1 of 1See more | 389 |
| satisfactory-serversatisfactoryVerified publisher | 0.1.6 | 1 of 1See more | 4,472 |
| seaweedfs-csi-driverseaweedfs-csi-driver | 0.2.40 | 7 of 7See more | 8,501 |
| seldon-core-operatorseldon | 1.19.0 | 1 of 1See more | 1,276 |
| bentoself-hosters-by-nightVerified publisher | 0.9.1 | 1 of 1See more | 1,699 |
| lldapself-hosters-by-nightVerified publisher | 0.5.2 | 2 of 2See more | 4,910 |
| appshini4iVerified publisher | 0.4.0 | 1 of 1See more | 1,026 |
| skypilotskypilotOfficialVerified publisher | 0.14.0 | 3 of 3See more | 5,921 |
| corednssoftizyVerified publisher | 0.2.0 | 1 of 1See more | 2,468 |
Container images carrying it
6,392 by charts deploying them
A fixed version is listed for 1 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | eda951fd29a8 | stdlib | 1.26.9 | 2 |
| library/ | f5af5a5ce17f | stdlib | 1.26.9 | 2 |
| library/ | e6b279d01350 | stdlib | 1.26.9 | 2 |
| lightninglabs/ | f86bbec4dfb3 | stdlib | 1.26.9 | 2 |
| linuxserver/ | 45c5fe102ff3 | stdlib | 1.26.9 | 2 |
| listmonk/ | d2eac77ddfad | stdlib | 1.26.9 | 2 |
| listmonk/ | f535d59e1499 | stdlib | 1.26.9 | 2 |
| localstack/ | 801a3dff7f6a | stdlib | 1.26.9 | 2 |
| longhornio/ | dca34321452c | stdlib | 1.26.9 | 2 |
| louislam/ | 96510915e6be | stdlib | 1.26.9 | 2 |
| louislam/ | 9aeb4e51d038 | stdlib | 1.26.9 | 2 |
| louislam/ | a8610b3b4c38 | stdlib | 1.26.9 | 2 |
| louislam/ | c74379ac4509 | stdlib | 1.26.9 | 2 |
| mattermost/ | b8bd1246cb3a | stdlib | 1.26.9 | 2 |
| matthiasluedtke/ | 661d607b0fbc | stdlib | 1.26.9 | 2 |
| maxrocketinternet/ | a867315facf8 | stdlib | 1.26.9 | 2 |
| maxrocketinternet/ | 1a281b76efa3 | stdlib | 1.26.9 | 2 |
| mesosphere/ | 073db43d0b8b | stdlib | 1.26.9 | 2 |
| mesosphere/ | ea01a9387771 | stdlib | 1.26.9 | 2 |
| mikefarah/ | 4b3d9475d655 | stdlib | 1.26.9 | 2 |
| moby/ | 504731e577c2 | stdlib | 1.26.9 | 2 |
| nacos/ | 1c191c30c8cd | stdlib | 1.26.9 | 2 |
| natsio/ | 9fbf7bf684e4 | stdlib | 1.26.9 | 2 |
| natsio/ | 47094fcae2f4 | stdlib | 1.26.9 | 2 |
| natsio/ | 911ce7ed2f55 | stdlib | 1.26.9 | 2 |
| natsio/ | e414cc7e6f59 | stdlib | 1.26.9 | 2 |
| natsio/ | 16048afb67a5 | stdlib | 1.26.9 | 2 |
| natsio/ | 31c02aac089a | stdlib | 1.26.9 | 2 |
| neosmemo/ | 24c2707ddd8f | stdlib | 1.26.9 | 2 |
| nousresearch/ | fca358f12efd | stdlib | 1.26.9 | 2 |
| obolnetwork/ | 278c7e2897b6 | stdlib | 1.26.9 | 2 |
| oliver006/ | 4af75e9f16f6 | stdlib | 1.26.9 | 2 |
| openbas/ | a277796d9724 | golang-1.19 stdlib | no fix listed 1.26.9 | 2 |
| opencloudeu/ | 8fc64ca86173 | stdlib | 1.26.9 | 2 |
| opencloudeu/ | f9634bb04905 | stdlib | 1.26.9 | 2 |
| openebs/ | c86c06f1ce6a | stdlib | 1.26.9 | 2 |
| openebs/ | 4d1b85539919 | stdlib | 1.26.9 | 2 |
| openebs/ | bb04e41fc1b8 | stdlib | 1.26.9 | 2 |
| openebs/ | 99f5116f5cb8 | stdlib | 1.26.9 | 2 |
| openfga/ | 9cf9a20af32a | stdlib | 1.26.9 | 2 |
| openkruise/ | edc7cf9428fd | stdlib | 1.26.9 | 2 |
| openpolicyagent/ | 825370bdb3c3 | stdlib | 1.26.9 | 2 |
| oryd/ | 0a7a2bfd0e7d | stdlib | 1.26.9 | 2 |
| oryd/ | d06fc5845f63 | stdlib | 1.26.9 | 2 |
| oryd/ | fe2428f103a6 | stdlib | 1.26.9 | 2 |
| oryd/ | e8cb9b79a89c | stdlib | 1.26.9 | 2 |
| osixia/ | ccd95cc6e61e | stdlib | 1.26.9 | 2 |
| otel/ | 7ef2a2ff46b9 | stdlib | 1.26.9 | 2 |
| otel/ | a7343f018690 | stdlib | 1.26.9 | 2 |
| otel/ | fd328de25524 | stdlib | 1.26.9 | 2 |