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
moikot/smartthings-metrics :0.1.0	8625f53aa9b7	stdlib@go1.14.13	1.25.13	1
moikot/smartthings-metrics :feat-log-details	fb8565140106	stdlib@go1.14.15	1.25.13	1
mongodb/mongodb-atlas-local :8	e118f5c131c5	stdlib@go1.26.5	1.25.13	1
monitoror/monitoror :4	4b88edcf51ff	stdlib@go1.14.6	1.25.13	1
moonrailgun/tianji :1.11.2	b528c8f8fcc4	stdlib@go1.20.12	1.25.13	1
moul/sshportal :v1.19.3	332b603727c3	stdlib@go1.17.6	1.25.13	1
mpioperator/mpi-operator :0.3.0	3ccfa8d8b7bf	stdlib@go1.15.13	1.25.13	1
mrnim94/metrics-server-exporter :v2.4.0	86c4807a4bca	stdlib@go1.26.3	1.25.13	1
muonsoft/openapi-mock :latest	c9afe1295484	stdlib@go1.20.2	1.25.13	1
murtazashah46/helmfile :latest	4d11726cf803	stdlib@go1.22.8	1.25.13	1
mvisonneau/tailscale :v1.68.1	fc45ad8abf10	stdlib@go1.22.4	1.25.13	1
mzinc/configmapsecret-controller :v0.5.1	eebbcbf2d1f7	stdlib@go1.16.1	1.25.13	1
mziyabo/fargate-eks-sidecar-injector :latest	3067dce17983	stdlib@go1.19.13	1.25.13	1
n8nio/n8n :1.86.0	8b39ed5a2de9	stdlib@go1.24.0	1.25.13	1
n8nio/n8n :1.115.1	ed16e560c40e	stdlib@go1.24.6	1.25.13	1
n8nio/runners :2.39.5	b16132aecf99	stdlib@go1.25.11	1.25.13	1
nacos/nacos-peer-finder-plugin :latest	a9c769301fa6	stdlib@go1.13.5	1.25.13	1
nadoo/glider :0.16	38aadefbd607	stdlib@go1.20.14	1.25.13	1
nathanfirmo/dbgate :latest	6b0487e6e987	stdlib@go1.24.5	1.25.13	1
natsio/jetstream-controller :0.24.0	58862daca582	stdlib@go1.26.5	1.25.13	1
natsio/nats-box :0.14.3	1cc420186664	stdlib@go1.22.1	1.25.13	1
natsio/nats-box :0.13.5	59cf2e949181	stdlib@go1.19.5	1.25.13	1
natsio/nats-box :0.18.0	abdc9f9f0120	stdlib@go1.24.3	1.25.13	1
natsio/nats-box :0.8.1	b7f9328145f4	stdlib@go1.17.6	1.25.13	1
natsio/nats-box :0.13.3	c507bd7e3831	stdlib@go1.19.4	1.25.13	1
natsio/nats-box :0.14.2	e808e0644ce1	stdlib@go1.21.5	1.25.13	1
natsio/nats-kafka :1.4.2	bb241956b0dc	stdlib@go1.20	1.25.13	1
natsio/nats-operator :0.8.3	1261dae38389	stdlib@go1.16.10	1.25.13	1
natsio/nats-server-config-reloader :0.14.1	0d50270fa374	stdlib@go1.20.5	1.25.13	1
natsio/nats-server-config-reloader :0.20.1	47094fcae2f4	stdlib@go1.24.8	1.25.13	1
natsio/nats-server-config-reloader :0.15.0	5b21830a9e9d	stdlib@go1.22.4	1.25.13	1
natsio/nats-server-config-reloader :0.8.0	6bdaceb63aa5	stdlib@go1.19.4	1.25.13	1
natsio/nats-server-config-reloader :0.19.1	81edf32a3680	stdlib@go1.24.5	1.25.13	1
natsio/nats-server-config-reloader :0.14.0	8c28b75bc416	stdlib@go1.20.5	1.25.13	1
natsio/nats-server-config-reloader :0.6.2	ad0374303b13	stdlib@go1.15.14	1.25.13	1
natsio/nats-server-config-reloader :0.16.1	bf97e5e9b9d2	stdlib@go1.23.3	1.25.13	1
natsio/nats-server-config-reloader :0.11.0	c3a755eab2cc	stdlib@go1.20.5	1.25.13	1
natsio/nats-server-config-reloader :0.24.0	d758a82a9c20	stdlib@go1.26.5	1.25.13	1
natsio/nats-surveyor :0.9.9	104a3e938b23	stdlib@go1.26.1	1.25.13	1
natsio/prometheus-nats-exporter :0.18.0	02469dc907bc	stdlib@go1.24.6	1.25.13	1
natsio/prometheus-nats-exporter :0.13.0	2adf791d9f9f	stdlib@go1.21.3	1.25.13	1
natsio/prometheus-nats-exporter :0.9.1	4665cdc7e749	stdlib@go1.16.13	1.25.13	1
natsio/prometheus-nats-exporter :0.20.1	4fbf6dacb847	stdlib@go1.26.3	1.25.13	1
natsio/prometheus-nats-exporter :0.16.0	54b0d7ff058e	stdlib@go1.23.4	1.25.13	1
natsio/prometheus-nats-exporter :0.10.1	bce728062c4f	stdlib@go1.19.3	1.25.13	1
ncabatoff/process-exporter	6f0549dc24e9	stdlib@go1.23.1	1.25.13	1
neo4j/helm-charts-reverse-proxy :2026.09.0	0c6c9ee5f7dc	stdlib@go1.24.13	1.25.13	1
neosmemo/memos :0.29	3e1253477066	stdlib@go1.26.2	1.25.13	1
neosmemo/memos :0.26.2	3eefcc231141	stdlib@go1.25.7	1.25.13	1
neosmemo/memos :0.24	c6defc2dfb98	stdlib@go1.24.3	1.25.13	1