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
quay.io/mittwald/brudi-operator :v0.2.3	edb322094359	stdlib@go1.19.13	1.25.13	1
quay.io/mittwald/harbor-operator :v1.6.3	65a38180e27a	stdlib@go1.22.2	1.25.13	1
quay.io/mittwald/kube-httpcache :stable	2169032c5840	stdlib@go1.24.4	1.25.13	1
quay.io/mittwald/kubernetes-replicator :v2.11.1	3185496b3af3	stdlib@go1.24.1	1.25.13	1
quay.io/mittwald/kubernetes-replicator :v2.12.4	5dc9fc5ff59a	stdlib@go1.24.13	1.25.13	1
quay.io/mittwald/kubernetes-replicator :v2.10.0	b79e77d421d0	stdlib@go1.20.14	1.25.13	1
quay.io/mittwald/kubernetes-replicator :v2.9.1	baf5f784398b	stdlib@go1.20.5	1.25.13	1
quay.io/mittwald/kubernetes-secret-generator :v3.4.1	465b8e6d0462	stdlib@go1.23.1	1.25.13	1
quay.io/mittwald/servicegateway :v2.3.3	fa948df30d44	stdlib@go1.21.5	1.25.13	1
quay.io/mongodb/mongodb-enterprise-operator :1.8.2	a1c3843b03bc	stdlib@go1.13.15	1.25.13	1
quay.io/mongodb/mongodb-enterprise-operator-ubi :1.33.0	b05101723412	stdlib@go1.24.2	1.25.13	1
quay.io/mongodb/mongodb-kubernetes-operator :0.3.0	107a7c73af59	stdlib@go1.14.10	1.25.13	1
quay.io/mongodb/mongodb-kubernetes-operator :0.9.0	5ee4bd681085	stdlib@go1.21.4	1.25.13	1
quay.io/nmstate/kubernetes-nmstate-operator :v0.87.0	4dce694f01ea	stdlib@go1.26.0	1.25.13	1
quay.io/nuclio/dashboard :1.17.8-amd64	b5f5bd4efbee	stdlib@go1.26.1	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.15.3	10a1165743a1	stdlib@go1.26.4	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.13.0	56e3daedf765	stdlib@go1.25.4	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.14.3	68336da945bd	stdlib@go1.25.7	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v6.1.1	791aef35b8d1	stdlib@go1.14.4	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.7.0	9ed7eaf72050	stdlib@go1.22.8	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.1.3	ecd26b74a01f	stdlib@go1.16	1.25.13	1
quay.io/oauth2-proxy/oauth2-proxy :v7.2.1	febeebebe762	stdlib@go1.17.5	1.25.13	1
quay.io/ohiosupercomputercenter/job-pod-reaper :v0.14.0	775449888968	stdlib@go1.26.4	1.25.13	1
quay.io/ohiosupercomputercenter/k8-ldap-configmap :v0.16.0	40d0b67afd77	stdlib@go1.26.4	1.25.13	1
quay.io/ohiosupercomputercenter/k8-namespace-reaper :v0.11.0	ead1f817e8c2	stdlib@go1.26.4	1.25.13	1
quay.io/ongres/kubectl :v1.25.16-build-6.53	04dada9e4503	stdlib@go1.20.10	1.25.13	1
quay.io/open-cluster-management/cluster-proxy :v0.12.0	35f9c3ad644a	stdlib@go1.22.4	1.25.13	1
quay.io/open-cluster-management/dynamic-scoring-addon :latest	7e571a08ec1a	stdlib@go1.24.13	1.25.13	1
quay.io/open-cluster-management/dynamic-scoring-controller :latest	587f5bc8f2ed	stdlib@go1.24.13	1.25.13	1
quay.io/open-cluster-management/kueue-addon :v0.1.4	7f728514fead	stdlib@go1.24.6	1.25.13	1
quay.io/open-cluster-management/multicluster-controlplane :latest	9888240f644b	stdlib@go1.26.4	1.25.13	1
quay.io/open-cluster-management/multicluster-mesh-addon :latest	3e010e1188f1	stdlib@go1.19.13	1.25.13	1
quay.io/openshift/origin-cli :4.6	6722d5041b47	stdlib@go1.15.14	1.25.13	1
quay.io/openshift/origin-console :4.10.0	0bbe8b451fa3	stdlib@go1.16.9	1.25.13	1
quay.io/openshift/origin-jenkins-agent-base :latest	c241c971aef8	stdlib@go1.21.3	1.25.13	1
quay.io/operator-framework/catalogd :v1.8.0	6ff40fa6257f	stdlib@go1.25.3	1.25.13	1
quay.io/operator-framework/olm	1b6002156f56	stdlib@go1.21.7	1.25.13	1
quay.io/operator-framework/olm :master	39081bf0c4a9	stdlib@go1.19	1.25.13	1
quay.io/operator-framework/olm	40d0363f4aa6	stdlib@go1.22.3	1.25.13	1
quay.io/operator-framework/olm :v0.46.0	4404599eb7b7	stdlib@go1.26.3	1.25.13	1
quay.io/operator-framework/olm	f9ea8cef95ac	stdlib@go1.19.6	1.25.13	1
quay.io/operator-framework/operator-controller :v1.8.0	bca5dfcc67ca	stdlib@go1.25.3	1.25.13	1
quay.io/opsmxpublic/awsgit :v2-openssh	0d21ba756f44	stdlib@go1.17.2	1.25.13	1
quay.io/opsmxpublic/awsgit :v3-js	15a6faada3d4	stdlib@go1.16.15	1.25.13	1
quay.io/opsmxpublic/create-secret :v4.0.4	defc3263e0e9	stdlib@go1.20.3	1.25.13	1
quay.io/opsmxpublic/forwarder-controller :v3.5.7	f0c5bebaec96	stdlib@go1.19.1	1.25.13	1
quay.io/opsmxpublic/opa :opa-sidecar-v1.0	3dcbf3caa454	stdlib@go1.24.11	1.25.13	1
quay.io/opsmxpublic/opa :1.12.0	84fb1af7401c	stdlib@go1.25.5	1.25.13	1
quay.io/opsmxpublic/rabbitmq :4.2-management	3408107e5cc4	stdlib@go1.22.2	1.25.13	1
quay.io/opsmxpublic/spin-sample-pipeline :v1.0.1	c6a934439421	stdlib@go1.13.1	1.25.13	1