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 |
|---|---|---|---|
| kube-prometheus-stackprometheus-communityOfficialVerified publisher | 92.2.0 | 5 of 6See more | 1,050 |
| cert-managercert-managerOfficialVerified publisher | 1.21.2 | 4 of 4See more | 528 |
| argo-cdargoOfficialVerified publisher | 10.10.2 | 2 of 3See more | 2,506 |
| ingress-nginxingress-nginx | 4.15.1 | 2 of 2See more | 2,200 |
| prometheusprometheus-communityOfficialVerified publisher | 29.36.1 | 6 of 6See more | 1,145 |
| redisbitnamiVerified publisher | 28.3.1 | 1 of 1See more | 89 |
| traefiktraefikOfficialVerified publisher | 41.7.1 | 1 of 1See more | 141 |
| kubernetes-dashboardk8s-dashboard | 7.14.0 | 4 of 5See more | 4,694 |
| lokigrafana | 7.3.0 | 3 of 6See more | 5,110 |
| metrics-servermetrics-serverVerified publisher | 3.14.0 | 1 of 1See more | 385 |
| vaulthashicorpVerified publisher | 0.34.1 | 2 of 2See more | 1,034 |
| gitlabgitlabVerified publisher | 10.4.1 | 18 of 21See more | 20,608 |
| harborharborOfficialVerified publisher | 1.19.2 | 5 of 8See more | 2,986 |
| jenkinsjenkinsciOfficialVerified publisher | 5.9.67 | 1 of 2See more | 2,148 |
| external-secretsexternal-secrets-operatorVerified publisher | 2.12.0 | 1 of 1See more | 185 |
| external-dnsexternal-dnsVerified publisher | 1.23.0 | 1 of 1See more | 128 |
| longhornlonghorn | 1.13.0 | 3 of 3See more | 443 |
| gitlab-runnergitlabVerified publisher | 0.93.0 | 1 of 1See more | 575 |
| ciliumciliumOfficialVerified publisher | 1.20.2 | 3 of 3See more | 1,840 |
| airflowapache-airflowOfficialVerified publisher | 1.22.0 | 1 of 4See more | 3,770 |
| mongodbbitnamiVerified publisher | 20.0.0 | 1 of 1See more | 432 |
| velerovmware-tanzu | 12.2.1 | 1 of 1See more | 1,429 |
| metallbmetallbVerified publisher | 0.16.1 | 3 of 4See more | 3,179 |
| rancherrancher-stable | 2.15.2 | 2 of 2See more | 2,431 |
| cloudnative-pgcloudnative-pgVerified publisher | 0.29.1 | 1 of 1See more | 124 |
| kyvernokyvernoOfficialVerified publisher | 3.9.1 | 1 of 7See more | 159 |
| argo-workflowsargoOfficialVerified publisher | 2.0.12 | 3 of 3See more | 766 |
| giteagiteaOfficialVerified publisher | 12.7.0 | 2 of 4See more | 10,350 |
| oauth2-proxyoauth2-proxyOfficialVerified publisher | 10.7.1 | 1 of 1See more | 128 |
| nginxbitnamiVerified publisher | 25.2.1 | 1 of 1See more | 111 |
| wordpressbitnamiVerified publisher | 34.1.3 | 2 of 2See more | 618 |
| sealed-secretsbitnami-labsVerified publisher | 2.18.6 | 1 of 1See more | 599 |
| kedakedacore | 2.21.0 | 3 of 3See more | 384 |
| nginx-ingressnginxVerified publisher | 2.7.3 | 1 of 1See more | 1,566 |
| nfs-subdir-external-provisionernfs-subdir-external-provisioner | 4.0.18 | 1 of 1See more | 3,917 |
| artifact-hubartifact-hubVerified publisher | 1.23.0 | 6 of 7See more | 14,535 |
| kube-state-metricsprometheus-communityVerified publisher | 8.6.0 | 1 of 1See more | 237 |
| consulhashicorpVerified publisher | 2.0.4 | 2 of 2See more | 291 |
| mariadbbitnamiVerified publisher | 28.1.1 | 1 of 1See more | 89 |
| alloygrafana | 1.13.1 | 2 of 2See more | 796 |
| prometheus-blackbox-exporterprometheus-communityOfficialVerified publisher | 11.20.0 | 1 of 1See more | 128 |
| reloaderstakaterVerified publisher | 2.2.18 | 1 of 1See more | 124 |
| argo-rolloutsargoOfficialVerified publisher | 2.43.6 | 1 of 1See more | 284 |
| deschedulerdescheduler | 0.37.0 | 1 of 1See more | 540 |
| argo-cdargo-cd-oci | 10.10.2 | 2 of 3See more | 2,506 |
| jaegerjaegertracingOfficialVerified publisher | 4.14.1 | 1 of 1See more | 324 |
| jupyterhubjupyterhubOfficialVerified publisher | 4.4.2 | 2 of 7See more | 10,019 |
| mimir-distributedgrafana | 6.2.1 | 3 of 5See more | 2,812 |
| headlampheadlampOfficialVerified publisher | 0.45.0 | 1 of 1See more | 448 |
| argocd-image-updaterargoOfficialVerified publisher | 1.3.1 | 1 of 1See more | 1,167 |
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 |
|---|---|---|---|---|
| dongjiang1989/ | 451f7823723c | stdlib | 1.26.9 | 1 |
| dongjiang1989/ | 355fa4be8e97 | stdlib | 1.26.9 | 1 |
| dongjiang1989/ | c82de0272da0 | stdlib | 1.26.9 | 1 |
| doorcloud/ | 4e6ef8d72c3e | stdlib | 1.26.9 | 1 |
| dossif/ | 96dcd2c0e9f2 | stdlib | 1.26.9 | 1 |
| douz/ | f2bc7fc068c1 | stdlib | 1.26.9 | 1 |
| dragonflyoss/ | 9fe2a1d6206f | stdlib | 1.26.9 | 1 |
| dragonflyoss/ | edf3e921f4e0 | stdlib | 1.26.9 | 1 |
| dragonflyoss/ | c3ef7f10698d | stdlib | 1.26.9 | 1 |
| dragonflyoss/ | 523785c77787 | stdlib | 1.26.9 | 1 |
| dragonflyoss/ | d5dea9e662cd | stdlib | 1.26.9 | 1 |
| drone/ | 55897c8fb22d | stdlib | 1.26.9 | 1 |
| drone/ | 137e79c5e23c | stdlib | 1.26.9 | 1 |
| drone/ | 206df2280ecf | stdlib | 1.26.9 | 1 |
| drorivry4/ | e035d49b15ca | stdlib | 1.26.9 | 1 |
| drumsergio/ | dd3ee9703969 | stdlib | 1.26.9 | 1 |
| dserio83/ | 6b3d9115fee2 | stdlib | 1.26.9 | 1 |
| dserio83/ | b4e1ec6664d3 | stdlib | 1.26.9 | 1 |
| dtzar/ | a1041bb0f1d1 | stdlib | 1.26.9 | 1 |
| dunglas/ | 307e456b426c | stdlib | 1.26.9 | 1 |
| duplicati/ | 8660f0eda7c9 | stdlib | 1.26.9 | 1 |
| durellirsd/ | 7398aca4fc2e | stdlib | 1.26.9 | 1 |
| dutchcoders/ | 8db9ade72a0d | stdlib | 1.26.9 | 1 |
| duyetdev/ | 25e59d223eaa | stdlib | 1.26.9 | 1 |
| dysnix/ | c166f958f86a | stdlib | 1.26.9 | 1 |
| easysoft/ | 592ad5df1f8b | stdlib | 1.26.9 | 1 |
| ebrianne/ | 9cd17700c9ec | stdlib | 1.26.9 | 1 |
| ecadlabs/ | 4bcbe5d1cdd2 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | 18c7f0d101c0 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | 99d7ff18d416 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | ab7a04182191 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | d7ec28bfe735 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | 2b2c0cf26fd2 | stdlib | 1.26.9 | 1 |
| eclipseaerios/ | 0208743f315e | stdlib | 1.26.9 | 1 |
| eginnovations/ | e4dfe242fe9f | stdlib | 1.26.9 | 1 |
| eginnovations/ | b8e3e26dca1b | stdlib | 1.26.9 | 1 |
| ekofr/ | 9fdad6f352e0 | stdlib | 1.26.9 | 1 |
| elastic/ | c7a1c63257d0 | stdlib | 1.26.9 | 1 |
| elastiflow/ | d80d974a806e | stdlib | 1.26.9 | 1 |
| elastisys/ | 509b94f1da55 | stdlib | 1.26.9 | 1 |
| electriccoinco/ | 2ae3a551e111 | stdlib | 1.26.9 | 1 |
| emirozbir/ | 6801ba2a3fc3 | stdlib | 1.26.9 | 1 |
| emirozbir/ | d3a5c1063425 | stdlib | 1.26.9 | 1 |
| empathyco/ | 4f1e26eaacbf | stdlib | 1.26.9 | 1 |
| emqx/ | a8431baa7950 | stdlib | 1.26.9 | 1 |
| emqx/ | fa876f71e5d6 | stdlib | 1.26.9 | 1 |
| emqxecp/ | 4c31d9bec846 | stdlib | 1.26.9 | 1 |
| emqx/ | 53865c1267d9 | stdlib | 1.26.9 | 1 |
| engrmth/ | 6d8464e6f0e8 | stdlib | 1.26.9 | 1 |
| enix/ | f963da81ecf7 | stdlib | 1.26.9 | 1 |