CVE-2026-56858

Medium

Advisory

Published 13 Aug 2026In the index since 5 Sept 2026

Severity: Medium; worst across findings
CVSS: 6.1; base score, highest
EPSS: 0.003; 24th 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

Fix Javascript regexp context tracking in html/template

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-2026-56858 GO-2026-6091
Also known as: BIT-golang-2026-56858

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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-2026-56858.

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
mesosphere/karma :v0.55-d2iq-proxy	4693bb4e0814	stdlib@go1.13.7	1.25.13	1
mesosphere/kommander-federation-authorizedlister :v0.21.2	63bc411b930b	stdlib@go1.14.5	1.25.13	1
mesosphere/kommander-federation-controller-manager :v0.21.2	b036785a8862	stdlib@go1.14.5	1.25.13	1
mesosphere/kommander-federation-utility-apiserver :v0.21.2	f9b769c65e24	stdlib@go1.14.5	1.25.13	1
mesosphere/kommander-federation-webhook :v0.21.2	94af41b6dd9a	stdlib@go1.14.5	1.25.13	1
mesosphere/kommander-licensing-controller-manager :v0.21.2	8e18bbe407f7	stdlib@go1.14.5	1.25.13	1
mesosphere/kommander-licensing-webhook :v0.21.2	265edcd2a1ca	stdlib@go1.14.5	1.25.13	1
mesosphere/kubeaddons-addon-initializer :v0.5.1	5efa21defcbc	stdlib@go1.15.11	1.25.13	1
mesosphere/kubeaddons-addon-initializer :v0.2.0	9f863160127b	stdlib@go1.13.7	1.25.13	1
mesosphere/kubeaddons-addon-initializer :v0.2.8	c10011f866f2	stdlib@go1.13.8	1.25.13	1
mesosphere/kubefed :proxyurl	4fd8889195fe	stdlib@go1.15.3	1.25.13	1
mesosphere/traefik-forward-auth :3.1.0	5456581d7b76	stdlib@go1.14.15	1.25.13	1
metacontrollerio/metacontroller :v2.1.1	0336993b88e4	stdlib@go1.17.6	1.25.13	1
metacontrollerio/metacontroller :v2.0.4	897c9601d2cc	stdlib@go1.16.7	1.25.13	1
metacubex/mihomo :v1.19.29	e1d7dadaa936	stdlib@go1.26.5	1.25.13	1
metalmatze/alertmanager-bot :0.4.3	426bc2ca7586	stdlib@go1.13.15	1.25.13	1
metalmatze/transmission-exporter :0.3.0	90d6acb6d47d	stdlib@go1.13	1.25.13	1
microslac/kafka-connect :latest	a90091a1f524	stdlib@go1.20.4	1.25.13	1
middlewareeng/middleware :0.3.1	747d880812f1	stdlib@go1.17.13	1.25.13	1
mikefarah/yq :4.45.1	2c100efaca06	stdlib@go1.23.4	1.25.13	1
mikefarah/yq :2.4.1	6fc625c402de	stdlib@go1.13.3	1.25.13	1
mikejoh/argocd-extra-app-info-exporter :0.2.0	5c5a3b734271	stdlib@go1.23.4	1.25.13	1
mikejoh/imagine :0.1.0	78737d7345f9	stdlib@go1.23.3	1.25.13	1
milvusdb/etcd :3.5.5-r2	102aac62827b	stdlib@go1.18.2	1.25.13	1
milvusdb/etcd :3.5.25-r1	fededb2f2d63	stdlib@go1.24.10	1.25.13	1
milvusdb/milvus :v2.2.13	a3a55e1c1497	stdlib@go1.18.3	1.25.13	1
milvusdb/milvus-config-tool :v0.1.1	2212dfb61401	stdlib@go1.16.15	1.25.13	1
mindsdb/mindsdb :latest	163011c09299	stdlib@go1.20.13	1.25.13	1
miniflux/miniflux :2.3.3	49d7b6098761	stdlib@go1.26.5	1.25.13	1
miniflux/miniflux :2.2.18	a3ca6bbc1f74	stdlib@go1.26.1	1.25.13	1
miniflux/miniflux :2.0.36	e2fb990dae74	stdlib@go1.17.8	1.25.13	1
minio/minio :RELEASE.2024-05-28T17-19-04Z	391d1d45fdbe	stdlib@go1.22.3	1.25.13	1
minio/minio :RELEASE.2023-01-12T02-06-16Z	fc6bedc99355	stdlib@go1.19.4	1.25.13	1
minio/operator :v5.0.9	170b154d2c61	stdlib@go1.21.1	1.25.13	1
minio/operator :v4.1.0	2adc5be088f5	stdlib@go1.16.3	1.25.13	1
mintel/gcp-quota-exporter :v0.3.2	0e0707b7732b	stdlib@go1.13.12	1.25.13	1
mirrorgitlabcontainers/gitaly :v13.2.2	83599461ef8b	stdlib@go1.13.9	1.25.13	1
mirrorgitlabcontainers/gitlab-container-registry :v2.9.1-gitlab	06b19a4bc805	stdlib@go1.13.9	1.25.13	1
mirrorgitlabcontainers/gitlab-shell :v13.3.0	9f3654f1eafc	stdlib@go1.13.9	1.25.13	1
mirrorgitlabcontainers/gitlab-workhorse-ce :v13.2.2	a6d7bf42805a	stdlib@go1.13.9	1.25.13	1
mirrorgitlabcontainers/kubectl :1.13.12	99931bd06b41	stdlib@go1.13.3	1.25.13	1
missuo/deeplx :v1.2.2	32e492587678	stdlib@go1.25.10	1.25.13	1
mitre/vulcan :latest	2bc4dfb8150f	stdlib@go1.25.5	1.25.13	1
moby/buildkit :v0.33.0	6c2fa84a6b61	stdlib@go1.25.7	1.25.13	1
moby/buildkit :v0.33.0-rootless	80b15f0735e8	stdlib@go1.25.7	1.25.13	1
moby/buildkit :v0.31.0	a095b3d11ce1	stdlib@go1.26.4	1.25.13	1
moby/buildkit :v0.10.0	c2aeafaed434	stdlib@go1.17.8	1.25.13	1
moby/buildkit :master-rootless	e1f04610272e	stdlib@go1.25.7	1.25.13	1
moby/buildkit :master	fc55613b9c0b	stdlib@go1.25.7	1.25.13	1
moikot/basic-git-server :0.0.2	0d941bd30ffa	stdlib@go1.14.9	1.25.13	1