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/prometheus-operator/prometheus-operator :v0.93.0	a001ed10a382	stdlib@go1.26.5	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.57.0	a2d502c204f9	stdlib@go1.17.10	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.75.1	a7cc63108511	stdlib@go1.22.4	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.88.0	b4f51de53357	stdlib@go1.25.5	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.54.0	be2aef39a2f8	stdlib@go1.17.6	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.61.1	cd7d1a82ef00	stdlib@go1.19.3	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.93.1	e52bb28fd41c	stdlib@go1.26.5	1.25.13	1
quay.io/prometheus/prometheus :v3.0.0	3b9b2a15d376	stdlib@go1.23.3	1.25.13	1
quay.io/prometheus/prometheus :v2.39.1	4748e26f9369	stdlib@go1.19.2	1.25.13	1
quay.io/prometheus/prometheus :v3.13.2	508729e0e2d1	stdlib@go1.26.5	1.25.13	1
quay.io/prometheus/prometheus :v2.37.0	56e7f18e05dd	stdlib@go1.18.4	1.25.13	1
quay.io/prometheus/prometheus :v3.2.0	5888c188cf09	stdlib@go1.23.6	1.25.13	1
quay.io/prometheus/prometheus :v3.5.0	63805ebb8d2b	stdlib@go1.24.5	1.25.13	1
quay.io/prometheus/prometheus :v3.2.1	6927e0919a14	stdlib@go1.23.6	1.25.13	1
quay.io/prometheus/prometheus :v2.33.5	91100b06e86d	stdlib@go1.17.8	1.25.13	1
quay.io/prometheus/prometheus :v3.4.1	9abc6cf6aea7	stdlib@go1.24.3	1.25.13	1
quay.io/prometheus/prometheus :v2.34.0	b37103e03399	stdlib@go1.17.8	1.25.13	1
quay.io/prometheus/prometheus :v3.11.3	c0b857aead0d	stdlib@go1.26.2	1.25.13	1
quay.io/prometheus/prometheus :v3.11.2	cd37346c9745	stdlib@go1.26.2	1.25.13	1
quay.io/prometheus/prometheus :v2.53.1	f20d3127bf28	stdlib@go1.22.5	1.25.13	1
quay.io/prometheus/pushgateway :v1.11.1	03738d278e08	stdlib@go1.24.1	1.25.13	1
quay.io/prometheus/pushgateway :v1.6.0	5111de00e969	stdlib@go1.20.4	1.25.13	1
quay.io/prometheus/statsd-exporter :v0.30.0	378cb79c4ac7	stdlib@go1.26.3	1.25.13	1
quay.io/prometheus/statsd-exporter :v0.27.2	9ed70604d941	stdlib@go1.22.8	1.25.13	1
quay.io/prometheus/statsd-exporter :v0.22.8	f53cca722a03	stdlib@go1.18.6	1.25.13	1
quay.io/rabbitmqoperator/messaging-topology-operator :1.18.1	f97c36882244	stdlib@go1.24.6	1.25.13	1
quay.io/reactiveops/rbac-manager :v1.9.5	87e3f461446f	stdlib@go1.25.5	1.25.13	1
quay.io/redhat-appstudio/appstudio-utils :dbbdd82734232e6289e8fbae5b4c858481a7c057	7b4202c25b67	stdlib@go1.20.8	1.25.13	1
quay.io/redhat-cop/cert-utils-operator :v1.3.12	0290e7b2800a	stdlib@go1.19.13	1.25.13	1
quay.io/redhat-cop/patch-operator :v0.1.11	030ade9b9428	stdlib@go1.21.9	1.25.13	1
quay.io/redhat-developer/servicebinding-operator	16286ac84ddd	stdlib@go1.20.6	1.25.13	1
quay.io/reiml/smtp-gotify :latest	80ffa9d2044a	stdlib@go1.23.9	1.25.13	1
quay.io/rhdh/rhdh-hub-rhel9 :latest	0b26358f5793	stdlib@go1.26.4	1.25.13	1
quay.io/rht-labs/stack-do500 :3.0.8	6ba82beff18e	stdlib@go1.16	1.25.13	1
quay.io/rimusz/hostpath-provisioner :v0.2.5	87f0398ec7ff	stdlib@go1.16.7	1.25.13	1
quay.io/sergeyshevch/s3manager :feature_refactoring	ff59fcdf44eb	stdlib@go1.18	1.25.13	1
quay.io/skopeo/stable :v1.13	4853591bd1d2	stdlib@go1.21.0	1.25.13	1
quay.io/solo-io/certgen :0.0.0-fork	b17a8c7d1f32	stdlib@go1.18.1	1.25.13	1
quay.io/solo-io/discovery :0.0.0-fork	5b62aaade3c9	stdlib@go1.18.1	1.25.13	1
quay.io/solo-io/gloo :0.0.0-fork	9a6c84560d44	stdlib@go1.18.1	1.25.13	1
quay.io/solo-io/gloo-envoy-wrapper :0.0.0-fork	26ae185e835a	stdlib@go1.18.1	1.25.13	1
quay.io/spotahome/redis-operator :latest	8c772955184e	stdlib@go1.20.7	1.25.13	1
quay.io/superq/draytek-exporter :v0.2.0	3b577bdceaae	stdlib@go1.25.4	1.25.13	1
quay.io/superq/smokeping-prober :v0.12.0	2524b895bdae	stdlib@go1.26.4	1.25.13	1
quay.io/superq/smokeping-prober :v0.7.1	25d07dfc1d7e	stdlib@go1.20.5	1.25.13	1
quay.io/thanos/thanos :v0.40.1	aae7b2b030ed	stdlib@go1.25.3	1.25.13	1
quay.io/thanos/thanos :v0.17.1	e362f02ed304	stdlib@go1.15	1.25.13	1
quay.io/thanos/thanos :v0.36.1	e542959e1b36	stdlib@go1.21.13	1.25.13	1
quay.io/tigera/operator :v1.20.1	379efe0c2541	stdlib@go1.15.2	1.25.13	1
quay.io/tigera/operator :v1.15.1	c6591da87aa8	stdlib@go1.15.2	1.25.13	1