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/opstree/druid-exporter :v0.8	3f6d9885cfe2	stdlib@go1.14.6	1.25.13	1
quay.io/opstree/druid-exporter :v0.11	9f01c9c5c2e3	stdlib@go1.15.15	1.25.13	1
quay.io/opstree/grafana :12.4.3	b61c1ed2f015	stdlib@go1.26.2	1.25.13	1
quay.io/opstree/kube-state-metrics :2.18.0-debian13	53525d253793	stdlib@go1.25.9	1.25.13	1
quay.io/opstree/logging-operator :v0.4.0	fd8bb57ef3cf	stdlib@go1.17.10	1.25.13	1
quay.io/opstree/loki :3.6-debian13	bdfee214c7ea	stdlib@go1.26.2	1.25.13	1
quay.io/opstree/memcached-exporter :0.15.5-debian13	cf8f8410eaad	stdlib@go1.26.2	1.25.13	1
quay.io/opstree/mongodb-operator :v0.3.0	879b9bead838	stdlib@go1.17.8	1.25.13	1
quay.io/opstree/node-exporter :1.11.1-alpine3.23	3b6b3a7eb001	stdlib@go1.26.2	1.25.13	1
quay.io/opstree/opentelemetry-operator :0.149.0-debian13	a21405ab9a9a	stdlib@go1.25.9	1.25.13	1
quay.io/opstree/redis-operator :v0.26.0	1c6818e5e505	stdlib@go1.25.12	1.25.13	1
quay.io/opstree/tempo :2.10.4-debian13	cb734024b3fd	stdlib@go1.26.2	1.25.13	1
quay.io/opstree/victoriametrics-operator :v0.69.0	66fe5216c278	stdlib@go1.26.2	1.25.13	1
quay.io/orc/openstack-resource-controller :v2.5.0	79f22af49612	stdlib@go1.25.9	1.25.13	1
quay.io/piraeusdatastore/nri-volume-qos :v0.1.3	cbe3e1ea2b6a	stdlib@go1.26.4	1.25.13	1
quay.io/piraeusdatastore/piraeus-operator :v2.10.5	dd68a66332de	stdlib@go1.26.1	1.25.13	1
quay.io/piraeusdatastore/piraeus-operator :v2.2.0	ec4022c8b0e3	stdlib@go1.18.10	1.25.13	1
quay.io/poundex/tekton-stash-and-cache :0.2.2	e854423caa09	stdlib@go1.26.5	1.25.13	1
quay.io/projectquay/clair :4.9.0	23329c3368e4	stdlib@go1.24.11	1.25.13	1
quay.io/projectquay/clair :4.7.2	8d38ffa8fad7	stdlib@go1.20.9	1.25.13	1
quay.io/prometheus/alertmanager :v0.24.0	088464f949de	stdlib@go1.17.8	1.25.13	1
quay.io/prometheus/alertmanager :v0.32.0	58e117eabcce	stdlib@go1.26.2	1.25.13	1
quay.io/prometheus/alertmanager :v0.31.1	88b605de9aba	stdlib@go1.25.7	1.25.13	1
quay.io/prometheuscommunity/elasticsearch-exporter :v1.8.0	073dd360de2c	stdlib@go1.22.7	1.25.13	1
quay.io/prometheuscommunity/elasticsearch-exporter :v1.5.0	13a41e8ac836	stdlib@go1.18.4	1.25.13	1
quay.io/prometheuscommunity/pgbouncer-exporter :v0.12.1	30f31b6c2efd	stdlib@go1.26.4	1.25.13	1
quay.io/prometheuscommunity/postgres-exporter :latest	ac5ec343104f	stdlib@go1.26.4	1.25.13	1
quay.io/prometheuscommunity/postgres-exporter :v0.19.1	e96064f87622	stdlib@go1.25.7	1.25.13	1
quay.io/prometheuscommunity/smartctl-exporter :v0.14.0	cfe22c36d7d2	stdlib@go1.23.7	1.25.13	1
quay.io/prometheuscommunity/systemd-exporter :v0.7.0	78c03f875dfb	stdlib@go1.24.1	1.25.13	1
quay.io/prometheuscommunity/yet-another-cloudwatch-exporter :v0.67.0	404791bf0b2f	stdlib@go1.26.4	1.25.13	1
quay.io/prometheuscommunity/yet-another-cloudwatch-exporter :v0.62.1	bdba5215a666	stdlib@go1.23.4	1.25.13	1
quay.io/prometheus/influxdb-exporter :v0.10.0	3854d8af7bd4	stdlib@go1.18.3	1.25.13	1
quay.io/prometheusmsteams/prometheus-msteams :v1.5.3	a9f4d31ab811	stdlib@go1.24.9	1.25.13	1
quay.io/prometheus/node-exporter :v1.7.0	4cb2b9019f17	stdlib@go1.21.4	1.25.13	1
quay.io/prometheus/node-exporter :v1.12.0-distroless	843ed23bb564	stdlib@go1.26.5	1.25.13	1
quay.io/prometheus-operator/admission-webhook :v0.79.2	d4c97a1b2d67	stdlib@go1.23.4	1.25.13	1
quay.io/prometheus-operator/admission-webhook :v0.90.1	ffe7c4ca80cb	stdlib@go1.25.8	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.63.0	3f976422884e	stdlib@go1.19.5	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.93.1	428f088fe6fe	stdlib@go1.26.5	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.90.1	693faa0b8724	stdlib@go1.25.8	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.73.2	706cde441321	stdlib@go1.22.2	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.83.0	78aec597d87a	stdlib@go1.24.3	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.69.1	7bbe804260f3	stdlib@go1.21.4	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.70.0	e20576b76ffd	stdlib@go1.21.4	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.78.1	e2dc5623bcdd	stdlib@go1.23.2	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.90.0	e5aab3be6873	stdlib@go1.25.8	1.25.13	1
quay.io/prometheus-operator/prometheus-config-reloader :v0.85.0	ebb560bcb6bd	stdlib@go1.24.6	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.73.2	04f2b98d71ef	stdlib@go1.22.2	1.25.13	1
quay.io/prometheus-operator/prometheus-operator :v0.85.0	890b3bb05cf4	stdlib@go1.24.6	1.25.13	1