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 |
|---|---|---|---|
| adguard-homealekcVerified publisher | 3.2.0 | 1 of 2See more | 417 |
| cloudflaredalekcVerified publisher | 1.9.0 | 1 of 1See more | 625 |
| alertmanager-discordalertmanagerdiscordVerified publisher | 0.3.2 | 1 of 1See more | 855 |
| alertmanager-matrixalertmanager-matrixVerified publisher | 0.1.16 | 1 of 1See more | 792 |
| paperless-ngxalexmorbo-paperless-ngxVerified publisher | 0.2.0 | 1 of 2See more | 14,431 |
| clearml-agentallegroaiVerified publisher | 5.3.3 | 1 of 1See more | 73,200 |
| clearml-servingallegroaiVerified publisher | 1.6.2 | 6 of 9See more | 25,734 |
| pact-brokeralmorgvVerified publisher | 0.1.0 | 1 of 1See more | 6,184 |
| mariadbalphani-helm-chartsVerified publisher | 10.10.3 | 1 of 1See more | 9,657 |
| soft-servealphani-helm-chartsVerified publisher | 0.4.0 | 1 of 1See more | 4,014 |
| smockerandrcunsVerified publisher | 0.0.4 | 1 of 1See more | 3,013 |
| cloudflare-operatorankra-chartsVerified publisher | 0.2.0 | 1 of 1See more | 987 |
| hermes-agentankra-chartsVerified publisher | 0.3.1 | 1 of 1See more | 7,672 |
| upcloud-csiankra-chartsVerified publisher | 0.4.1 | 8 of 8See more | 23,031 |
| annotations-exporterannotations-exporter | 0.5.0 | 1 of 1See more | 1,982 |
| alazanteonVerified publisher | 0.12.0 | 1 of 1See more | 4,263 |
| anteonanteonVerified publisher | 2.6.4 | 5 of 13See more | 28,095 |
| antreaantreaVerified publisher | 2.7.0 | 2 of 2See more | 4,922 |
| api-usage-serverapi-usage-server | 1.16.0 | 1 of 1See more | 1,234 |
| gateway-helmappscodeVerified publisher | 0.0.0-latest | 1 of 2See more | 1,787 |
| kubedb-opscenterappscodeVerified publisher | 2026.7.10 | 1 of 1See more | 560 |
| kubedb-provisionerappscodeVerified publisher | 0.66.0 | 1 of 1See more | 1,008 |
| scannerappscodeVerified publisher | 2026.1.15 | 3 of 3See more | 7,322 |
| smtprelayappscodeVerified publisher | 2026.9.11 | 1 of 1See more | 1,409 |
| stash-enterpriseappscodeVerified publisher | 0.42.0 | 4 of 4See more | 6,180 |
| virtual-secrets-serverappscodeVerified publisher | 2026.8.14 | 1 of 1See more | 612 |
| argocd-backup-s3argocd-backup-s3Verified publisher | 0.9.5 | 1 of 1See more | 6,633 |
| argocd-rbac-operatorargocd-rbac-operator | 0.4.5 | 1 of 1See more | 1,461 |
| kedaarieotechVerified publisher | 0.1.0 | 2 of 3See more | 3,727 |
| s3dartur9010Verified publisher | 1.0.1 | 1 of 1See more | 2,292 |
| arvancloud-webhookarvancloud-webhookVerified publisher | 1.0.1 | 1 of 1See more | 864 |
| cert-exporterarzu | 3.0.1 | 1 of 1See more | 4,025 |
| soarv113assist-iot-cybersecurity-monitoring-soar | 0.1.3 | 1 of 5See more | 20,377 |
| siemassist-iot-cybersecurity-monitroting-siem | 0.1.0 | 1 of 3See more | 12,478 |
| dltbrokerassist-iot-distributed-broker | 0.2.0 | 5 of 9See more | 196,685 |
| dltloggingassist-iot-logging-auditing | 0.2.0 | 5 of 9See more | 196,665 |
| astradnsastradnsVerified publisher | 0.2.9 | 2 of 2See more | 3,738 |
| deployautoml | 0.1.0 | 2 of 3See more | 4,445 |
| cso-proxyav1o-chartsVerified publisher | 0.1.3 | 1 of 1See more | 5,487 |
| dex-k8sav1o-chartsVerified publisher | 0.2.1 | 1 of 1See more | 4,619 |
| kube-image-webhookav1o-chartsVerified publisher | 0.1.3 | 1 of 1See more | 4,863 |
| prismav1o-chartsVerified publisher | 0.3.1 | 1 of 1See more | 2,300 |
| kubebrowseravistoOfficialVerified publisher | 1.4.0 | 1 of 1See more | 1,187 |
| azuredisk-csi-driverazuredisk-csi-driverVerified publisher | 1.36.0 | 7 of 8See more | 1,536 |
| generic-appb3oVerified publisher | 0.1.6 | 1 of 1See more | 2,358 |
| gozonebabykart-helm-chartsVerified publisher | 0.18.1 | 1 of 1See more | 212 |
| vault-unsealbabykart-helm-chartsVerified publisher | 1.0.5 | 1 of 1See more | 479 |
| db-backupballe-petersen | 0.1.4 | 1 of 1See more | 6,070 |
| music-assistantbdclark-helm-chartsVerified publisher | 0.4.13 | 1 of 1See more | 4,873 |
| chirpstackbeeinventor | 0.1.10 | 3 of 5See more | 10,956 |
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 |
|---|---|---|---|---|
| jaegertracing/ | db45c07f2e1b | stdlib | 1.26.9 | 1 |
| jaegertracing/ | f6b5d09073f1 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 3d0ac795ff98 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 46a886260e04 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | e128b9adbb29 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | ff81f0a9f63c | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 3f036ec60e61 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | b636f0f464bc | stdlib | 1.26.9 | 1 |
| jakuboskera/ | a305b8ce5bff | stdlib | 1.26.9 | 1 |
| jamesorlakin/ | 3894dc11b236 | stdlib | 1.26.9 | 1 |
| jamesread/ | af9d7c4db6dc | stdlib | 1.26.9 | 1 |
| jamesread/ | f3066e207efd | stdlib | 1.26.9 | 1 |
| jdschulze/ | fde2dfbcacc2 | stdlib | 1.26.9 | 1 |
| jdvalencia422/ | a80b6e47a7b8 | stdlib | 1.26.9 | 1 |
| jeboehm/ | e756949e537d | stdlib | 1.26.9 | 1 |
| jeboehm/ | d03fb7bae0a2 | stdlib | 1.26.9 | 1 |
| jeboehm/ | 5fb2f31c940d | stdlib | 1.26.9 | 1 |
| jeboehm/ | 9da13edf5aa8 | stdlib | 1.26.9 | 1 |
| jenkins/ | 95313257a8cd | stdlib | 1.26.9 | 1 |
| jenkins/ | c1e4c349365f | stdlib | 1.26.9 | 1 |
| jenkins/ | de4fea113221 | stdlib | 1.26.9 | 1 |
| jhaals/ | 26873480863b | stdlib | 1.26.9 | 1 |
| jhaals/ | 6bca8d5a4914 | stdlib | 1.26.9 | 1 |
| jhaals/ | 6c33d9c813f7 | stdlib | 1.26.9 | 1 |
| jhaals/ | 916a1cf45d36 | stdlib | 1.26.9 | 1 |
| jhaals/ | 934e4f2c016f | stdlib | 1.26.9 | 1 |
| jhaals/ | 9516e3b3e88c | stdlib | 1.26.9 | 1 |
| jhaals/ | b64a1a8ace1b | stdlib | 1.26.9 | 1 |
| jhidalgo3/ | 0390e155c46d | stdlib | 1.26.9 | 1 |
| jhonbrownn/ | 8f6551ecc98c | stdlib | 1.26.9 | 1 |
| jhonbrownn/ | 68d6223ea366 | stdlib | 1.26.9 | 1 |
| jitesoft/ | 7f25594d4f33 | stdlib | 1.26.9 | 1 |
| jkaninda/ | 8cfda26ecb7d | stdlib | 1.26.9 | 1 |
| jkremser/ | e35cf56ef183 | stdlib | 1.26.9 | 1 |
| jmferrer/ | 030f68ec6998 | stdlib | 1.26.9 | 1 |
| joeelliott/ | b4acd14642d0 | stdlib | 1.26.9 | 1 |
| johnblack77/ | 816f4e2fea4a | stdlib | 1.26.9 | 1 |
| juicedata/ | 3e4daf9626d5 | stdlib | 1.26.9 | 1 |
| juicedata/ | 43978fc60798 | stdlib | 1.26.9 | 1 |
| juicedata/ | d915e899e322 | stdlib | 1.26.9 | 1 |
| junktext/ | a70936c04aed | stdlib | 1.26.9 | 1 |
| jupyterhub/ | a395326989c3 | stdlib | 1.26.9 | 1 |
| justusbunsi/ | 18dd43b470d9 | stdlib | 1.26.9 | 1 |
| jwilder/ | 839cd6793d19 | stdlib | 1.26.9 | 1 |
| jwkohnen/ | 8cb711bf3bcb | stdlib | 1.26.9 | 1 |
| k8scloudprovider/ | a30c7a2a594a | stdlib | 1.26.9 | 1 |
| k8scloudprovider/ | 6ddf80b34265 | stdlib | 1.26.9 | 1 |
| kadalu/ | 3726d7a805f2 | stdlib | 1.26.9 | 1 |
| kaiso/ | e0e22b928bdd | stdlib | 1.26.9 | 1 |
| kayrosuno/ | f3bd44b29b0d | stdlib | 1.26.9 | 1 |