CVE-2026-56859

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

Add recursion depth guard during decode in encoding/xml

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-2026-56859 GO-2026-6088
Also known as: BIT-golang-2026-56859

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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-2026-56859.

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
ghcr.io/salaboy/fmtok8s-email-service :v0.2.0-native	b52d5dbac2ca	stdlib@go1.17.11	1.25.13	1
ghcr.io/salaboy/fmtok8s-email-service :v0.1.0-native	cf28472bc460	stdlib@go1.17.11	1.25.13	1
ghcr.io/salemgolemugoo/argocd-bitbucket-proxy :latest	a72df069095b	stdlib@go1.26.1	1.25.13	1
ghcr.io/salesforce/kubelet-summary-exporter :sha-c2bf90d	377e09d2dd72	stdlib@go1.18.10	1.25.13	1
ghcr.io/salesforce/sloop :sha-2ce8bbe	119e24f24b1d	stdlib@go1.16.15	1.25.13	1
ghcr.io/samr037/node-debug-dashboard :0.3.0	c79b2e64a211	stdlib@go1.23.3	1.25.13	1
ghcr.io/sapcc/ntp_exporter :v2.9.0	79c40c65f5d4	stdlib@go1.24.6	1.25.13	1
ghcr.io/schaka/janitorr :native-stable	7cfe1e0c41da	stdlib@go1.24.6	1.25.13	1
ghcr.io/schmitzis/cert-manager-webhook-bunny :latest	125e31c8e85a	stdlib@go1.19.13	1.25.13	1
ghcr.io/seanmorley15/adventurelog-frontend :v0.13.0	51ee22428b41	stdlib@go1.23.12	1.25.13	1
ghcr.io/sergelogvinov/hybrid-csi-provisioner :v0.3.1	221e07794a8a	stdlib@go1.25.5	1.25.13	1
ghcr.io/sergelogvinov/karpenter-provider-proxmox :v0.12.0	ea8b8e60a020	stdlib@go1.26.5	1.25.13	1
ghcr.io/sergelogvinov/keydb :6.3.3	76a19ddc3626	stdlib@go1.18.10	1.25.13	1
ghcr.io/sergelogvinov/mongodb :8.0.10	1eee8e20a87f	stdlib@go1.23.8	1.25.13	1
ghcr.io/sergelogvinov/mongosqld :2.14.23	0b826375ed42	stdlib@go1.23.8	1.25.13	1
ghcr.io/sergelogvinov/mongosync :1.15.0	fa99ed475f03	stdlib@go1.24.4	1.25.13	1
ghcr.io/sergelogvinov/node-labels-exporter :v0.5.1	dd6875a0a963	stdlib@go1.25.5	1.25.13	1
ghcr.io/sergelogvinov/pgbouncer :16.15	18f1121ba0a4	stdlib@go1.24.6	1.25.13	1
ghcr.io/sergelogvinov/postgresql :16.15	fafb72e98f22	stdlib@go1.24.6	1.25.13	1
ghcr.io/sergelogvinov/proxmox-cloud-controller-manager :v0.15.0	fbc553921145	stdlib@go1.26.5	1.25.13	1
ghcr.io/sergelogvinov/proxmox-csi-controller :v0.20.0	95ef74cce03e	stdlib@go1.26.5	1.25.13	1
ghcr.io/sergelogvinov/proxmox-csi-node :v0.20.0	e0151137a1c5	stdlib@go1.26.5	1.25.13	1
ghcr.io/shaharia-lab/teredix :0.0.2	ec727be4417a	stdlib@go1.21.5	1.25.13	1
ghcr.io/shift/domain_exporter :v0.1.13	47e27690a816	stdlib@go1.17.8	1.25.13	1
ghcr.io/shizunge/endlessh-go :2026.0730.0	8826dad32623	stdlib@go1.26.5	1.25.13	1
ghcr.io/siafoundation/renterd :2.9.0	e0334f124863	stdlib@go1.26.0	1.25.13	1
ghcr.io/siafoundation/s3d :bf33bf3	b3fcc85f7282	stdlib@go1.26.2	1.25.13	1
ghcr.io/siderolabs/talos-backup :v0.1.0-beta.2	03a71e140f1d	stdlib@go1.23.0	1.25.13	1
ghcr.io/sigstore/policy-controller/policy-controller	0bcd60beb93f	stdlib@go1.24.7	1.25.13	1
ghcr.io/sigstore/rekor-tiles/gcp :v2.2.1	e401cfe033c9	stdlib@go1.26.3	1.25.13	1
ghcr.io/sigstore/scaffolding/server	ae8eb69c7b70	stdlib@go1.25.0	1.25.13	1
ghcr.io/sigstore/sigstore-probers/prober :v1.0.1	d1e914e6d6b9	stdlib@go1.26.0	1.25.13	1
ghcr.io/sigstore/timestamp-server :v2.1.0	8637f0482ed1	stdlib@go1.25.1	1.25.13	1
ghcr.io/sikalabs/hello-world-server :latest	cf8538bf6489	stdlib@go1.26.2	1.25.13	1
ghcr.io/sintef/cert-manager-webhook-gandi :0.6.0	6819b34ccac8	stdlib@go1.22.0	1.25.13	1
ghcr.io/skyhook-io/skyhook-connector :v2.3.2	3deb8e4b1aaa	stdlib@go1.26.0	1.25.13	1
ghcr.io/skyhook-io/skyhook-connector :v2.5.5	6c4e3336600d	stdlib@go1.26.4	1.25.13	1
ghcr.io/slok/sloth :v0.16.0	f0f0075b0d45	stdlib@go1.26.1	1.25.13	1
ghcr.io/slskd/slskd :0.25.1	ab9ed50e028b	stdlib@go1.22.2	1.25.13	1
ghcr.io/snapp-incubator/health-exporter :0.3.2	52a0d8f6278c	stdlib@go1.17.2	1.25.13	1
ghcr.io/sngular/gitops-echobot :v0.2.2	3cde2e04b739	stdlib@go1.16.5	1.25.13	1
ghcr.io/spegel-org/spegel	26c60b05e08a	stdlib@go1.26.5	1.25.13	1
ghcr.io/spidernet-io/egressgateway-agent :v0.6.9	a8ec2f74c9d0	stdlib@go1.24.4	1.25.13	1
ghcr.io/spidernet-io/egressgateway-controller :v0.6.9	9deda7b68c34	stdlib@go1.24.4	1.25.13	1
ghcr.io/spidernet-io/spiderpool/spiderpool-agent :v1.2.0	8bb9411e47e0	stdlib@go1.25.7	1.25.13	1
ghcr.io/spidernet-io/spiderpool/spiderpool-controller :v1.2.0	42304e3ed36e	stdlib@go1.25.7	1.25.13	1
ghcr.io/spidernet-io/spiderpool/spiderpool-plugins :19f19457ae7cec86457b0411543a3cf21dd9f95a	8edc39be1e22	stdlib@go1.25.7	1.25.13	1
ghcr.io/spiffe/spiffe-csi-driver :0.2.3	4144101005b2	stdlib@go1.20.1	1.25.13	1
ghcr.io/spiffe/spire-agent :1.6.0	62517726d0c4	stdlib@go1.20.1	1.25.13	1
ghcr.io/spiffe/spire-controller-manager :0.2.2	5e90b2d092df	stdlib@go1.20.1	1.25.13	1