CVE-2026-56855

Unscored

Advisory

Published 2 Sept 2026In the index since 5 Sept 2026

Severity: Unscored; worst across findings
CVSS: —; base score, highest
EPSS: 0.004; 32nd percentile
CISA KEV: Not listed; no confirmed exploitation
Charts affected: 3,108; of 17,813 indexed, latest versions
Container images: 3,442; deployed by those charts
Fix available: 1 of 1; affected package

Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh

Carried by container images the latest versions of 3,108 of 17,813 indexed charts deploy, on 3,442 images.

Affected package	Affected versions	Fixed in	Images
golang.org/x/cryptogolang	v0.0.0-20180808211826-de0752318171, v0.0.0-20181025213731-e84da0312774, v0.0.0-20181029021203-45a5f77698d3, v0.0.0-20181203042331-505ab145d0a9+158 more	0.56.0	3,442

OSV records: GO-2026-6355

Charts affected

3,108 by stars

Chart

Latest

Affected images

Radar Score

ygdrassil-monitoringygdrassil

0.4.0

7 of 10 See more

ygdrassil-monitoring ygdrassil 0.4.0

7 of the 10 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
grafana/grafana :11.5.1	5781759b3d27	golang.org/x/crypto@v0.32.0	0.56.0
prom/alertmanager :v0.28.0	d5155cfac40a	golang.org/x/crypto@v0.31.0	0.56.0
quay.io/prometheus-operator/prometheus-config-reloader :v0.79.2	193280a33bc1	golang.org/x/crypto@v0.31.0	0.56.0
quay.io/prometheus/node-exporter :v1.8.2	4032c6d5bfd7	golang.org/x/crypto@v0.21.0	0.56.0
quay.io/prometheus/prometheus :v3.1.0	6559acbd5d77	golang.org/x/crypto@v0.31.0	0.56.0
quay.io/prometheus/pushgateway :v1.11.0	99392035ae99	golang.org/x/crypto@v0.32.0	0.56.0
registry.k8s.io/kube-state-metrics/kube-state-metrics :v2.14.0	37d841299325	golang.org/x/crypto@v0.28.0	0.56.0

Open the chart page →

9,526

prometheusalertygqygq2

1.0.0

1 of 1 See more

prometheusalert ygqygq2 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
feiyu563/prometheus-alert :v4.9.1	224cfa68cbd9	golang.org/x/crypto@v0.22.0	0.56.0

Open the chart page →

1,610

matrixdb-operatorymatrix

0.13.0

1 of 2 See more

matrixdb-operator ymatrix 0.13.0

1 of the 2 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
matrixdb/kubebuilder_kube-rbac-proxy :v0.12.0	ed3c7e6291e8	golang.org/x/crypto@v0.0.0-20211115234514-b4de73f9ece8	0.56.0

Open the chart page →

1,966

rawfile-csiymatrix

0.2.1

2 of 4 See more

rawfile-csi ymatrix 0.2.1

2 of the 4 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
matrixdb/custom-external-provisioner :4622a07d7-20220424	7e9ffe249a51	golang.org/x/crypto@v0.0.0-20210817164053-32db794688a5	0.56.0
matrixdb/rawfile-csi :v0.2.1	95b2e38e913d	golang.org/x/crypto@v0.0.0-20210817164053-32db794688a5	0.56.0

Open the chart page →

8,002

version-checkerymrs

0.2.3

1 of 1 See more

version-checker ymrs 0.2.3

1 of the 1 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
quay.io/jetstack/version-checker :v0.2.1	5f6f8ba0b671	golang.org/x/crypto@v0.0.0-20200622213623-75b288015ac9	0.56.0

Open the chart page →

3,025

prometheus-monitoring-stackyotron-helm-charts

1.2.0

3 of 3 See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

3 of the 3 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
grafana/grafana :latest	f772d434e8fa	golang.org/x/crypto@v0.52.0	0.56.0
quay.io/prometheus/alertmanager :latest	690c7b525f43	golang.org/x/crypto@v0.54.0	0.56.0
quay.io/prometheus/prometheus :latest	5ce7540c3c00	golang.org/x/crypto@v0.54.0	0.56.0

Open the chart page →

936

zahori-consulzahori

1.0.1

2 of 2 See more

zahori-consul zahori 1.0.1

2 of the 2 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
hashicorp/consul :1.15.3	ddff34041c5c	golang.org/x/crypto@v0.0.0-20220622213112-05595931fe9d	0.56.0
hashicorp/consul-k8s-control-plane :1.1.2	62bed1bf8106	golang.org/x/crypto@v0.0.0-20201002170205-7f63de1d35b0	0.56.0

Open the chart page →

5,077

zahori-moonzahori

1.0.1

1 of 3 See more

zahori-moon zahori 1.0.1

1 of the 3 container images this version deploys carry CVE-2026-56855.

Container image	Digest	Package	Fixed in
quay.io/aerokube/moon-ui :2.0.5	89990b146824	golang.org/x/crypto@v0.10.0	0.56.0

Open the chart page →

2,908

Container images carrying it

3,442 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container image	Digest	Package	Fixed in	Used by
mcr.microsoft.com/oss/kubernetes-csi/csi-provisioner :v1.6.1	667b1b1ea1e4	golang.org/x/crypto@v0.0.0-20191011191535-87dc89f01550	0.56.0	1
mcr.microsoft.com/oss/kubernetes-csi/csi-resizer :v1.1.0	7997e0f236bc	golang.org/x/crypto@v0.0.0-20201217014255-9d1352758620	0.56.0	1
mcr.microsoft.com/oss/v2/kubernetes-csi/azurefile-csi :v1.35.7	6e43ba0bd009	golang.org/x/crypto@v0.54.0	0.56.0	1
mcr.microsoft.com/oss/v2/kubernetes-csi/blob-csi :v1.27.9	f9e20264150a	golang.org/x/crypto@v0.53.0	0.56.0	1
mcr.microsoft.com/oss/v2/kubernetes-csi/csi-snapshotter :v8.5.0	8b3ce8339944	golang.org/x/crypto@v0.55.0	0.56.0	1
mcr.microsoft.com/oss/v2/kubernetes-csi/secrets-store/driver :v1.5.6	5f91243cfd60	golang.org/x/crypto@v0.46.0	0.56.0	1
public.ecr.aws/aktosecurity/keelhq-keel :akto_v1.0.0	1eb61443d68e	golang.org/x/crypto@v0.31.0	0.56.0	1
public.ecr.aws/aktosecurity/mirror-api-logging :k8s_ebpf_core_imp	d94ce715f051	golang.org/x/crypto@v0.49.0	0.56.0	1
public.ecr.aws/aws-containers/retail-store-sample-catalog :1.3.0	b654b266fa32	golang.org/x/crypto@v0.39.0	0.56.0	1
public.ecr.aws/aws-ec2/aws-node-termination-handler :v1.19.0	844478ebd5b8	golang.org/x/crypto@v0.3.0	0.56.0	1
public.ecr.aws/aws-ec2/aws-node-termination-handler :v1.25.6	9ad31fb4e5be	golang.org/x/crypto@v0.45.0	0.56.0	1
public.ecr.aws/aws-ec2/aws-node-termination-handler-2/controller :v2.0.0-beta	9637c80dd23f	golang.org/x/crypto@v0.0.0-20220214200702-86341886e292	0.56.0	1
public.ecr.aws/aws-observability/aws-otel-collector :v0.43.3	8aa9ea5f67b8	golang.org/x/crypto@v0.36.0	0.56.0	1
public.ecr.aws/aws-observability/aws-otel-collector :v0.49.0	d2bdfff2c377	golang.org/x/crypto@v0.53.0	0.56.0	1
public.ecr.aws/aws-observability/aws-sigv4-proxy-admission-controller :1.0	67b89ae52240	golang.org/x/crypto@v0.0.0-20200622213623-75b288015ac9	0.56.0	1
public.ecr.aws/aws-secrets-manager/secrets-store-csi-driver-provider-aws :1.0.r2-2021.08.13.20.34-linux-amd64	02aed3370fce	golang.org/x/crypto@v0.0.0-20201002170205-7f63de1d35b0	0.56.0	1
public.ecr.aws/aws-secrets-manager/secrets-store-csi-driver-provider-aws :1.0.r1-10-g1942553-2021.06.04.00.07-linux-amd64	b32c99e7bc45	golang.org/x/crypto@v0.0.0-20200622213623-75b288015ac9	0.56.0	1
public.ecr.aws/boundless-software/switchblade :release-v0.0.19-lcm	01d8413d5075	golang.org/x/crypto@v0.19.0	0.56.0	1
public.ecr.aws/buildkite/agent-metrics :v5.11.0	16e7f5c7161e	golang.org/x/crypto@v0.41.0	0.56.0	1
public.ecr.aws/cloudnatix/llmariner/database-creator :1.19.1	62375abc3c56	golang.org/x/crypto@v0.36.0	0.56.0	1
public.ecr.aws/cloudnatix/llmariner/database-creator :1.17.0	97065ced2942	golang.org/x/crypto@v0.36.0	0.56.0	1
public.ecr.aws/cloudnatix/llmariner/session-manager-server :0.1.0-gfu-dev	b9537499ff9e	golang.org/x/crypto@v0.33.0	0.56.0	1
public.ecr.aws/cloudnatix/llmariner/session-manager-server :1.9.0	f24ecd37fbaa	golang.org/x/crypto@v0.36.0	0.56.0	1
public.ecr.aws/cloudpilotai/gcp/karpenter :v0.6.0	aab80cfd2c4e	golang.org/x/crypto@v0.54.0	0.56.0	1
public.ecr.aws/datadog/agent :7.73.0	f4925b15ce94	golang.org/x/crypto@v0.44.0	0.56.0	1
public.ecr.aws/diagrid-dev/diagrid-dashboard :latest	f1348a65664a	golang.org/x/crypto@v0.52.0	0.56.0	1
public.ecr.aws/docker/library/caddy :2.6.3	87cbd356af2e	golang.org/x/crypto@v0.5.0	0.56.0	1
public.ecr.aws/dynatrace/dynatrace-operator :v1.10.2	52281db48c93	golang.org/x/crypto@v0.54.0	0.56.0	1
public.ecr.aws/eks-distro/kubernetes/kube-scheduler :v1.29.14-eks-1-29-latest	e7e1db003e6a	golang.org/x/crypto@v0.22.0	0.56.0	1
public.ecr.aws/groundcovercom/grafana-groundcover :v0.0.54-grafana11.3.7	ee9d973e3952	golang.org/x/crypto@v0.54.0	0.56.0	1
public.ecr.aws/groundcovercom/loki-proxy :0.1.1	783d550ad813	golang.org/x/crypto@v0.0.0-20211215153901-e495a2d5b3d3	0.56.0	1
public.ecr.aws/groundcovercom/temporalio/admin-tools :1.29.7-20260730-1	af8cea3b8538	golang.org/x/crypto@v0.52.0	0.56.0	1
public.ecr.aws/groundcovercom/temporalio/server :1.29.6-mini-20260702-1	70f191d0a80e	golang.org/x/crypto@v0.50.0	0.56.0	1
public.ecr.aws/j1r0q0g6/notebooks/notebook-controller :v1.4	cac3ed9a9826	golang.org/x/crypto@v0.0.0-20190308221718-c2843e01d9a2	0.56.0	1
public.ecr.aws/j1r0q0g6/training/training-operator :760ac1171dd30039a7363ffa03c77454bd714da5	ae59d222fd87	golang.org/x/crypto@v0.0.0-20200622213623-75b288015ac9	0.56.0	1
public.ecr.aws/k4y9r6y5/kratos :v25.4.0	e8014c6c58b6	golang.org/x/crypto@v0.42.0	0.56.0	1
public.ecr.aws/karpenter/controller :v0.19.3	f0e5ab60b2df	golang.org/x/crypto@v0.0.0-20220315160706-3147a52a75dd	0.56.0	1
public.ecr.aws/lumigo/lumigo-kubernetes-rbac-proxy :69	6c2f0585cd6c	golang.org/x/crypto@v0.0.0-20220315160706-3147a52a75dd	0.56.0	1
public.ecr.aws/lumigo/lumigo-kubernetes-telemetry-proxy :69	1d548e59c2c8	golang.org/x/crypto@v0.40.0	0.56.0	1
public.ecr.aws/n8h5y2v5/rad-security/rad-sbom :v1.1.34	e97e0e7a2088	golang.org/x/crypto@v0.31.0	0.56.0	1
public.ecr.aws/opslevel/kubectl-opslevel :v2024.9.5	71697b5ff713	golang.org/x/crypto@v0.26.0	0.56.0	1
public.ecr.aws/optimizely/webhook-broker :v0.2.3	cfc92cc2de65	golang.org/x/crypto@v0.31.0	0.56.0	1
public.ecr.aws/outerbounds/metaflow_metadata_service :v2.4.13	f7567ce3419d	golang.org/x/crypto@v0.5.0	0.56.0	1
public.ecr.aws/perfectscale-io/kube-state-metrics :4.1.14-redhat	849e235e2d3e	golang.org/x/crypto@v0.14.0	0.56.0	1
public.ecr.aws/perfectscale-io/psc-exporter :v1.0.45-redhat	9083e60c38bc	golang.org/x/crypto@v0.25.0	0.56.0	1
public.ecr.aws/r3m4q3r9/pleco :0.24.0	651739583336	golang.org/x/crypto@v0.37.0	0.56.0	1
public.ecr.aws/spotinst/spot-network-client :1.0.14	86380a01587d	golang.org/x/crypto@v0.47.0	0.56.0	1
public.ecr.aws/spotinst/spot-network-client :1.0.0-8-lb_endpoint-d0ec127	efcecf98b912	golang.org/x/crypto@v0.0.0-20201002170205-7f63de1d35b0	0.56.0	1
public.ecr.aws/supportpal/helpdesk-monolithic :4.0.4	573779e57fae	golang.org/x/crypto@v0.0.0-20220210151621-f4118a5b28e2	0.56.0	1
public.ecr.aws/v0r6c2e2/minio :latest	08c90bd040bf	golang.org/x/crypto@v0.32.0	0.56.0	1