CVE-2026-56853

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

Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

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-2026-56853 GO-2026-6089
Also known as: BIT-golang-2026-56853

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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-2026-56853.

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
lumenvox/cloud-init-tools :2.0.0	7ff037a71c50	stdlib@go1.17.3	1.25.13	1
lumenvox/cloud-init-tools :7.1	de940e2ec601	stdlib@go1.26.2	1.25.13	1
lumenvox/cloud-license :2.0.0	9a69862e1248	stdlib@go1.17.3	1.25.13	1
lumenvox/configuration :7.1	82bf01d9ebec	stdlib@go1.26.2	1.25.13	1
lumenvox/deployment :7.1	dadac2a74be6	stdlib@go1.26.2	1.25.13	1
lumenvox/deployment-portal :7.1	9d83efc340cf	stdlib@go1.26.4	1.25.13	1
lumenvox/file-store :7.1	38aa8711c9ef	stdlib@go1.26.2	1.25.13	1
lumenvox/license :7.1	35d0b1ac053e	stdlib@go1.26.2	1.25.13	1
lumenvox/management-api :7.1	6420a6e7d6c2	stdlib@go1.26.2	1.25.13	1
lumenvox/resource :7.1	93fd6ff1d62c	stdlib@go1.26.2	1.25.13	1
lumenvox/storage :7.1	c961fe78e2ca	stdlib@go1.26.2	1.25.13	1
macropower/osrs_ge_exporter :v0.3	c77ab5ea955c	stdlib@go1.21.0	1.25.13	1
macropower/twitch_predictions_recorder :v0.2	1e9c4fb89787	stdlib@go1.19.2	1.25.13	1
macropower/wakatime-exporter :0.1.0	dbb05debb785	stdlib@go1.14.6	1.25.13	1
maldridge/alertmanager-irc-relay :v0.4.1	391de2b76128	stdlib@go1.16.4	1.25.13	1
manojchaulagain/go-k8s :0.1.0	f237b5f637ae	stdlib@go1.20.1	1.25.13	1
mantlenetworkio/l2geth :v0.4.3	6bf383d14291	stdlib@go1.19.10	1.25.13	1
maponyacharles/sceptreai :postgresql-0.1.12	58881351f309	stdlib@go1.25.12	1.25.13	1
maponyacharles/sceptreai :seaweedfs-0.1.12	7c8a525f08e9	stdlib@go1.25.12	1.25.13	1
markdegroot/unifi-protect-arm64 :latest	d8445f2a0de6	stdlib@go1.20.2	1.25.13	1
masipcat/wireguard-go :latest	696206e5954d	stdlib@go1.20.14	1.25.13	1
masipcat/wireguard-go :0.0.20230223	769f7bb64694	stdlib@go1.20.14	1.25.13	1
matrixdb/custom-external-provisioner :4622a07d7-20220424	7e9ffe249a51	stdlib@go1.17.8	1.25.13	1
matrixdb/kubebuilder_kube-rbac-proxy :v0.12.0	ed3c7e6291e8	stdlib@go1.18.1	1.25.13	1
matrixdb/rawfile-csi :v0.2.1	95b2e38e913d	stdlib@go1.17.9	1.25.13	1
matrixdb/sig-storage_csi-node-driver-registrar :v2.2.0	ba763bb01ddc	stdlib@go1.16	1.25.13	1
matrixdb/sig-storage_livenessprobe :v2.3.0	7ab06fe3d8a7	stdlib@go1.16	1.25.13	1
matrixdotorg/synapse :v1.161.0	6b95dd129e35	stdlib@go1.24.4	1.25.13	1
matrixdotorg/synapse :v1.127.1	c3c4a9de2a0b	stdlib@go1.19.8	1.25.13	1
mattermost/calls-offloader :v0.9.0	b440b282599e	stdlib@go1.22.7	1.25.13	1
mattermost/focalboard :0.9.0	31078df7a3c8	stdlib@go1.16.5	1.25.13	1
mattermost/focalboard :0.6.7	f2f987dada52	stdlib@go1.16.4	1.25.13	1
mattermost/mattermost-app-chaosengine :c153e43	6268954edd67	stdlib@go1.16.8	1.25.13	1
mattermost/mattermost-operator :v1.25.4	bac00a2bbd33	stdlib@go1.24.13	1.25.13	1
mattermost/mattermost-push-proxy :6.3.0	45c53061c74e	stdlib@go1.21.13	1.25.13	1
mattermost/rtcd :latest	a27058aaa53a	stdlib@go1.24.13	1.25.13	1
matthiasluedtke/iconserver :v3.16.0	661d607b0fbc	stdlib@go1.21.1	1.25.13	1
mavrick1/kubestellar-b :latest	45ca0429a1d4	stdlib@go1.20.3	1.25.13	1
maxrocketinternet/k8s-event-logger :2.7	0234bdec4626	stdlib@go1.24.13	1.25.13	1
maxrocketinternet/k8s-event-logger :2.1	11224534789d	stdlib@go1.20.5	1.25.13	1
mbround18/valheim :3.1.0	70bd4da591cd	stdlib@go1.18.1	1.25.13	1
mccutchen/go-httpbin :latest	20739736d4eb	stdlib@go1.26.5	1.25.13	1
mccutchen/go-httpbin :v2.15.0	24528cf5229d	stdlib@go1.23.1	1.25.13	1
mccutchen/go-httpbin :v2.2.2	5994403ef75b	stdlib@go1.16.2	1.25.13	1
mcp/kubernetes :latest	5ffbf7f0a8aa	stdlib@go1.26.3	1.25.13	1
megaease/easegress :latest	fad1c7452958	stdlib@go1.26.1	1.25.13	1
meshery/meshery-operator :1.0.5	0d245bc8b5c6	stdlib@go1.26.4	1.25.13	1
mesosphere/dex :v2.37.0-d2iq.1	b093d78a21ed	stdlib@go1.20.4	1.25.13	1
mesosphere/dex-controller :v0.16.1	1b2dd9c0b0fc	stdlib@go1.22.7	1.25.13	1
mesosphere/dex-k8s-authenticator :v1.4.1-d2iq	f3d9982cc2fd	stdlib@go1.23.0	1.25.13	1