CVE-2026-56862

High

Advisory

Published 13 Aug 2026In the index since 5 Sept 2026

Severity: High; worst across findings
CVSS: 7.5; base score, highest
EPSS: 0.006; 46th percentile
CISA KEV: Not listed; no confirmed exploitation
Charts affected: 4,667; of 17,837 indexed, latest versions
Container images: 5,368; deployed by those charts
Fix available: 1 of 2; affected packages

Limit handshake messages we are willing to accept post-handshake in crypto/tls

Carried by container images the latest versions of 4,667 of 17,837 indexed charts deploy, on 5,368 images.

Affected package	Affected versions	Fixed in	Images
golang-1.19deb	1.19.8-2	no fix listed	1
stdlibgolang	go1.13, go1.13.1, go1.13.3, go1.13.4+193 more	1.25.13	5,368

OSV records: DEBIAN-CVE-2026-56862 GO-2026-6090
Also known as: BIT-golang-2026-56862

Charts affected

4,667 by stars

Chart

Latest

Affected images

Radar Score

pgbounceryasn77-pgbouncer

0.0.8

1 of 1 See more

pgbouncer yasn77-pgbouncer 0.0.8

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
ghcr.io/yasn77/pgbouncer :v0.0.6	cc8c13550e44	stdlib@go1.18.6	1.25.13

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1,153

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-2026-56862.

Container image	Digest	Package	Fixed in
grafana/grafana :11.5.1	5781759b3d27	stdlib@go1.23.5	1.25.13
prom/alertmanager :v0.28.0	d5155cfac40a	stdlib@go1.23.4	1.25.13
quay.io/prometheus-operator/prometheus-config-reloader :v0.79.2	193280a33bc1	stdlib@go1.23.4	1.25.13
quay.io/prometheus/node-exporter :v1.8.2	4032c6d5bfd7	stdlib@go1.22.5	1.25.13
quay.io/prometheus/prometheus :v3.1.0	6559acbd5d77	stdlib@go1.23.4	1.25.13
quay.io/prometheus/pushgateway :v1.11.0	99392035ae99	stdlib@go1.23.4	1.25.13
registry.k8s.io/kube-state-metrics/kube-state-metrics :v2.14.0	37d841299325	stdlib@go1.23.3	1.25.13

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9,550

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-2026-56862.

Container image	Digest	Package	Fixed in
feiyu563/prometheus-alert :v4.9.1	224cfa68cbd9	stdlib@go1.20.6	1.25.13

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1,611

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-2026-56862.

Container image	Digest	Package	Fixed in
matrixdb/kubebuilder_kube-rbac-proxy :v0.12.0	ed3c7e6291e8	stdlib@go1.18.1	1.25.13

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1,967

rawfile-csiymatrix

0.2.1

4 of 4 See more

rawfile-csi ymatrix 0.2.1

4 of the 4 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
matrixdb/custom-external-provisioner :4622a07d7-20220424	7e9ffe249a51	stdlib@go1.17.8	1.25.13
matrixdb/rawfile-csi :v0.2.1	95b2e38e913d	stdlib@go1.17.9	1.25.13
matrixdb/sig-storage_csi-node-driver-registrar :v2.2.0	ba763bb01ddc	stdlib@go1.16	1.25.13
matrixdb/sig-storage_livenessprobe :v2.3.0	7ab06fe3d8a7	stdlib@go1.16	1.25.13

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8,003

nginx-vts-exporterymrs

0.1.2

1 of 1 See more

nginx-vts-exporter ymrs 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
sophos/nginx-vts-exporter :latest	f1073556b29b	stdlib@go1.13.6	1.25.13

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1,337

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-2026-56862.

Container image	Digest	Package	Fixed in
quay.io/jetstack/version-checker :v0.2.1	5f6f8ba0b671	stdlib@go1.15.2	1.25.13

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3,025

prometheus-monitoring-stackyotron-helm-charts

1.2.0

1 of 3 See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

1 of the 3 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
grafana/grafana :latest	f772d434e8fa	stdlib@go1.26.5	1.25.13

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936

ical-filter-proxyyungwood

0.3.1

1 of 1 See more

ical-filter-proxy yungwood 0.3.1

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
yungwood/ical-filter-proxy :0.3.1	ddc3f30ab05f	stdlib@go1.26.5	1.25.13

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synergy-wholesale-exporteryungwood

0.1.1

1 of 1 See more

synergy-wholesale-exporter yungwood 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
yungwood/synergy-wholesale-exporter :0.1.1	054dce85989b	stdlib@go1.26.5	1.25.13

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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-2026-56862.

Container image	Digest	Package	Fixed in
hashicorp/consul :1.15.3	ddff34041c5c	stdlib@go1.20.4	1.25.13
hashicorp/consul-k8s-control-plane :1.1.2	62bed1bf8106	stdlib@go1.20.4	1.25.13

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5,077

zahori-moonzahori

1.0.1

3 of 3 See more

zahori-moon zahori 1.0.1

3 of the 3 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
quay.io/aerokube/moon :2.5.1	a8837b00ba1c	stdlib@go1.20.4	1.25.13
quay.io/aerokube/moon-conf :2.5.1	9ca307b30080	stdlib@go1.20.4	1.25.13
quay.io/aerokube/moon-ui :2.0.5	89990b146824	stdlib@go1.20.5	1.25.13

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2,908

zahori-schedulerzahori

1.0.1

1 of 1 See more

zahori-scheduler zahori 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
zahoriaut/zahori-scheduler :1.0.0	47d0979b1184	stdlib@go1.20.5	1.25.13

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2,496

posthogzeet

0.23.2

2 of 9 See more

posthog zeet 0.23.2

2 of the 9 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
altinity/clickhouse-operator :0.19.0	7a85f522c5bc	stdlib@go1.17.13	1.25.13
altinity/metrics-exporter :latest	8940ecadae65	stdlib@go1.26.5	1.25.13

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3,717

endlessh-gozekker6

0.4.0

1 of 1 See more

endlessh-go zekker6 0.4.0

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
ghcr.io/shizunge/endlessh-go :2026.0730.0	8826dad32623	stdlib@go1.26.5	1.25.13

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503

zookeeper-exporterzookeeper-exporter

0.1.0

1 of 1 See more

zookeeper-exporter zookeeper-exporter 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
dabealu/zookeeper-exporter :latest	86106fec315f	stdlib@go1.14.15	1.25.13

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1,249

zoo-project-druzoo-project

0.10.4

2 of 6 See more

zoo-project-dru zoo-project 0.10.4

2 of the 6 container images this version deploys carry CVE-2026-56862.

Container image	Digest	Package	Fixed in
library/postgres :18.4-alpine3.24	9a8afca54e78	stdlib@go1.24.6	1.25.13
zooproject/zoo-project :dru-19f3c4eed7c9ec9d1f0375bbe59f9d204a42bd3a	9a507cb7e2dd	stdlib@go1.26.5	1.25.13

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8,162

Container images carrying it

5,368 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container image	Digest	Package	Fixed in	Used by
grafana/promtail :2.6.1	072527b12cdf	stdlib@go1.17.9	1.25.13	1
grafana/promtail :2.0.0	5fd12edcc694	stdlib@go1.14.2	1.25.13	1
grafana/promtail :2.9.10	63a2e57a5b14	stdlib@go1.22.5	1.25.13	1
grafana/promtail :3.5.1	65bfae480b57	stdlib@go1.24.3	1.25.13	1
grafana/promtail :3.6.1	8dcfdf466da0	stdlib@go1.24.10	1.25.13	1
grafana/promtail :2.7.0	c16c710f7333	stdlib@go1.19.2	1.25.13	1
grafana/promtail :3.0.0	d3de3da9431c	stdlib@go1.21.9	1.25.13	1
grafana/pyroscope :1.10.0	319bf32ae06b	stdlib@go1.22.7	1.25.13	1
grafana/pyroscope :2.0.3	cfd00e7f73c2	stdlib@go1.25.11	1.25.13	1
grafana/rollout-operator :v0.38.1	32fe838b79dd	stdlib@go1.26.5	1.25.13	1
grafana/rollout-operator :v0.14.0	3409edfb45c7	stdlib@go1.22.1	1.25.13	1
grafana/snyk_exporter :v1.4.1	d3c9093401ca	stdlib@go1.21.0	1.25.13	1
grafana/tempo :3.0.3	0296560ac66f	stdlib@go1.26.5	1.25.13	1
grafana/tempo :2.6.0	f55a8a1937ff	stdlib@go1.22.6	1.25.13	1
graphiteapp/graphite-statsd :1.1.7-6	04a0037cc2ae	stdlib@go1.13.11	1.25.13	1
graphprotocol/graph-node :latest	b0436347fb24	stdlib@go1.26.5	1.25.13	1
graphprotocol/graph-node :v0.37.0	f4452cdedd68	stdlib@go1.24.1	1.25.13	1
gresearch/armada-operator :latest	6c43743e2b2d	stdlib@go1.24.0	1.25.13	1
gresearch/fasttrackml :latest	16d1228220fc	stdlib@go1.21.10	1.25.13	1
groundnuty/k8s-wait-for :v1.6	84edcf796267	stdlib@go1.18.1	1.25.13	1
groundnuty/k8s-wait-for :no-root-v2.0	a26d3d3f6e1c	stdlib@go1.19.3	1.25.13	1
grpl/grapple-cli :0.2.127	c00aafee6629	stdlib@go1.18.10	1.25.13	1
gutmensch/podnat-controller :0.5.2	566979793fc4	stdlib@go1.22.3	1.25.13	1
hammerspaceinc/csi-plugin :v1.2.8-rc2	395bee4504fc	stdlib@go1.24.4	1.25.13	1
haproxytech/haproxy-alpine :2.6.6	14e4afa90dfd	stdlib@go1.19.3	1.25.13	1
haproxytech/haproxy-alpine :2.9.5	7f3dc8c7e031	stdlib@go1.22.0	1.25.13	1
haproxytech/haproxy-alpine :2.8.0	8951be4b4e1c	stdlib@go1.20.5	1.25.13	1
haproxytech/haproxy-unified-gateway :1.0.7	b9bffe2d0fd1	stdlib@go1.26.5	1.25.13	1
haproxytech/kubernetes-ingress :1.11.4	c5f8a41ef0d4	stdlib@go1.22.2	1.25.13	1
hashicorp/boundary :0.15.3	339b78b61750	stdlib@go1.21.8	1.25.13	1
hashicorp/boundary :0.21.0	37bf86488b74	stdlib@go1.25.1	1.25.13	1
hashicorp/boundary :latest	76a201954ca0	stdlib@go1.25.7	1.25.13	1
hashicorp/boundary :0.8.1	fb70bd9210ff	stdlib@go1.17.10	1.25.13	1
hashicorp/consul :1.17.0	712fe02d2f84	stdlib@go1.20.10	1.25.13	1
hashicorp/consul :1.15.3	ddff34041c5c	stdlib@go1.20.4	1.25.13	1
hashicorp/consul-k8s-control-plane :1.3.0	0e4452f0f265	stdlib@go1.20.10	1.25.13	1
hashicorp/consul-k8s-control-plane :1.1.2	62bed1bf8106	stdlib@go1.20.4	1.25.13	1
hashicorp/hcp-terraform-operator :2.12.1	5a15932f6838	stdlib@go1.26.5	1.25.13	1
hashicorp/terraform :1.4	4dcb45513699	stdlib@go1.19.6	1.25.13	1
hashicorp/terraform :1.9.7	b77efab1a448	stdlib@go1.22.7	1.25.13	1
hashicorp/terraform-cloud-operator :2.5.0	c2f78a575a8a	stdlib@go1.22.4	1.25.13	1
hashicorp/terraform-k8s :1.1.2	b19857bab620	stdlib@go1.18.8	1.25.13	1
hashicorp/vault :1.15.4	0b01ed3924e6	stdlib@go1.21.4	1.25.13	1
hashicorp/vault :2.0.1	755355002715	stdlib@go1.26.3	1.25.13	1
hashicorp/vault :1.14.0	b2177a8bfe85	stdlib@go1.20.5	1.25.13	1
hashicorp/vault :1.19.0	bbb7f98dc67d	stdlib@go1.23.6	1.25.13	1
hashicorp/vault :1.8.4	dfc3500beb0e	stdlib@go1.16.7	1.25.13	1
hashicorp/vault :1.9.2	ff9b17b0cefe	stdlib@go1.17.5	1.25.13	1
hashicorp/vault-k8s :1.6.2	103a2d817a74	stdlib@go1.23.6	1.25.13	1
hashicorp/vault-k8s :1.2.1	4500e988b7ce	stdlib@go1.20.3	1.25.13	1