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/argoproj/argocd :v2.4.11	5b6701d8fb31	stdlib@go1.16.5	1.25.13	1
quay.io/argoproj/argocd :v2.10.7	83c86003b781	stdlib@go1.20.10	1.25.13	1
quay.io/argoproj/argocd :v3.0.3	95b5cf7ba6fe	stdlib@go1.22.7	1.25.13	1
quay.io/argoproj/argocd :v3.1.1	a36ab0c0860c	stdlib@go1.22.7	1.25.13	1
quay.io/argoproj/argocd :v2.8.6	acaf37352569	stdlib@go1.20.4	1.25.13	1
quay.io/argoproj/argocli :v3.7.11	577fc18f86ad	stdlib@go1.25.5	1.25.13	1
quay.io/argoproj/argocli :v3.7.1	6efd1cb89dc1	stdlib@go1.24.6	1.25.13	1
quay.io/argoproj/argocli :v3.5.5	91b9825f09a8	stdlib@go1.21.7	1.25.13	1
quay.io/argoproj/argo-events :v1.9.10	a83d2699ae53	stdlib@go1.24.11	1.25.13	1
quay.io/argoprojlabs/argocd-extension-metrics :v1.0.3	0d614816c4b7	stdlib@go1.21.11	1.25.13	1
quay.io/argoprojlabs/argocd-image-updater :v1.2.1	3c56f354fac5	stdlib@go1.26.3	1.25.13	1
quay.io/argoprojlabs/argocd-operator :v0.18.0	a09814522a72	stdlib@go1.25.10	1.25.13	1
quay.io/argoprojlabs/argocd-operator :v0.4.0	cf8faa986789	stdlib@go1.18.4	1.25.13	1
quay.io/argoprojlabs/argocd-rbac-operator :v0.2.4	51dded00137a	stdlib@go1.24.9	1.25.13	1
quay.io/argoproj/workflow-controller :v3.7.1	66388d1b2f08	stdlib@go1.24.6	1.25.13	1
quay.io/argoproj/workflow-controller :v3.5.5	6ab0da144235	stdlib@go1.21.7	1.25.13	1
quay.io/argoproj/workflow-controller :v3.7.11	c46aa0ded8ed	stdlib@go1.25.5	1.25.13	1
quay.io/backube/scribe :0.2.0	cdefc81c6b2e	stdlib@go1.15.12	1.25.13	1
quay.io/backube/snapscheduler :3.5.0	35ac95c51780	stdlib@go1.24.3	1.25.13	1
quay.io/backube/volsync :0.16.0	0d03a6aad575	stdlib@go1.25.11	1.25.13	1
quay.io/bentoml/yatai :0.4.6	14b482c1f1b8	stdlib@go1.18.4	1.25.13	1
quay.io/bentoml/yatai :1.1.13	a5dc9d91de0d	stdlib@go1.20.7	1.25.13	1
quay.io/bentoml/yatai-deployment :1.1.21	2342cfe8c2a9	stdlib@go1.19.13	1.25.13	1
quay.io/bentoml/yatai-image-builder :3.0.44	01d8538c4f48	stdlib@go1.24.13	1.25.13	1
quay.io/brancz/kube-rbac-proxy :v0.15.0	2c7b120590cb	stdlib@go1.21.3	1.25.13	1
quay.io/brancz/kube-rbac-proxy :v0.16.0	2c8f8c357ff8	stdlib@go1.21.7	1.25.13	1
quay.io/brancz/kube-rbac-proxy :v0.18.0	754ab2a723c8	stdlib@go1.22.4	1.25.13	1
quay.io/brancz/kube-rbac-proxy :v0.21.1	8ee55a15d8b0	stdlib@go1.25.8	1.25.13	1
quay.io/brancz/kube-rbac-proxy :v0.20.1	f5fbfec6a2b2	stdlib@go1.25.4	1.25.13	1
quay.io/camel-tooling/camel-dashboard-operator :latest	5e867d01846e	stdlib@go1.25.9	1.25.13	1
quay.io/cephcsi/cephcsi :v3.5.1	28a674af1df2	stdlib@go1.17.5	1.25.13	1
quay.io/cephcsi/ceph-csi-operator :v0.5.0	14fe2f1bffc3	stdlib@go1.25.7	1.25.13	1
quay.io/cephcsi/ceph-csi-operator :v1.0.4	c62933fd4083	stdlib@go1.25.11	1.25.13	1
quay.io/chriscowley/openldap_exporter :v2.1.1	6c308e9732e1	stdlib@go1.15.7	1.25.13	1
quay.io/cilium/cilium :v1.15.1	351d6685dc6f	stdlib@go1.21.7	1.25.13	1
quay.io/cilium/cilium :v1.18.2	858f807ea4e2	stdlib@go1.24.2	1.25.13	1
quay.io/cilium/cilium :v1.17.14	cdcfab5b4466	stdlib@go1.25.8	1.25.13	1
quay.io/cilium/cilium-envoy :v1.35.9-1773656288-7b052e66eb2cfc5ac130ce0a5be66202a10d83be	60031f396695	stdlib@go1.25.8	1.25.13	1
quay.io/cilium/cilium-envoy :v1.34.7-1757592137-1a52bb680a956879722f48c591a2ca90f7791324	7932d656b63f	stdlib@go1.24.7	1.25.13	1
quay.io/cilium/hubble-relay :v1.18.2	6079308ee15e	stdlib@go1.24.7	1.25.13	1
quay.io/cilium/hubble-ui-backend :v0.13.3	db1454e45dc3	stdlib@go1.24.5	1.25.13	1
quay.io/cilium/operator-generic :v1.17.14	773886ec9337	stdlib@go1.25.8	1.25.13	1
quay.io/cilium/operator-generic :v1.15.1	819c7281f5a4	stdlib@go1.21.6	1.25.13	1
quay.io/cilium/operator-generic :v1.18.2	cb4e4ffc5789	stdlib@go1.24.7	1.25.13	1
quay.io/cilium/tetragon :v1.1.0	96fac2482898	stdlib@go1.22.2	1.25.13	1
quay.io/cilium/tetragon-ci :b6f3056a3f6cf05e366a3e07348f7c0b6265a60f	5efd991d218b	stdlib@go1.19.2	1.25.13	1
quay.io/cilium/tetragon-operator :v0.8.3	4ab8e6604204	stdlib@go1.18.3	1.25.13	1
quay.io/cloudnativetoolkit/cli-tools :v1.1-v1.8.2	d6fd2a9e3273	stdlib@go1.18.1	1.25.13	1
quay.io/cloudnativetoolkit/cloud-pak-deployer :latest	13aaae779248	stdlib@go1.19.10	1.25.13	1
quay.io/codefresh/dind :3.0.25	0885ab519dac	stdlib@go1.26.5	1.25.13	1