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
rqlite/rqlite :9.1.3	7b992a526eee	stdlib@go1.25.3	1.25.13	1
rss3/op-batcher :d2c5ced00901227473fc196fda838191f0cb4e02	e8adc09d9c07	stdlib@go1.21.3	1.25.13	1
rss3/op-node :a77d1f52fc3492bf21915bdff8ee8e0b5bd2cb8a	45b91380bbe7	stdlib@go1.21.3	1.25.13	1
rss3/op-proposer :d2c5ced00901227473fc196fda838191f0cb4e02	96672897ba9e	stdlib@go1.21.3	1.25.13	1
rss3/proxyd :6edce9ddfeee0b00a2d98f24c3ce67885653651b	865a0a6bdf4c	stdlib@go1.21.3	1.25.13	1
rss3/proxyd :d2c5ced00901227473fc196fda838191f0cb4e02	8d9a44c650fa	stdlib@go1.21.3	1.25.13	1
rtuszik/photon-docker :2.4.0	21549c60f9e6	stdlib@go1.22.2	1.25.13	1
runatlantis/atlantis :v0.16.1	45fbaf7e207c	stdlib@go1.14.7	1.25.13	1
ruslanguns/metadata-injector-operator :v0.0.1	6c77e4675e07	stdlib@go1.22.11	1.25.13	1
rustrial/k8s-gitops-secrets-controller :0.6.0	93326a322a01	stdlib@go1.26.4	1.25.13	1
ryuunosukeds3/orbital :latest	0879f7261b10	stdlib@go1.23.9	1.25.13	1
sablierapp/sablier :1.16.1	413704376656	stdlib@go1.26.3	1.25.13	1
salaboy/agenda-service-0967b907d9920c99918e2b91b91937b3	ce9ce8293e4e	stdlib@go1.20.1	1.25.13	1
salaboy/c4p-service-a3dc0474cbfa348afcdf47a8eee70ba9	bb64bf14467d	stdlib@go1.20.1	1.25.13	1
salaboy/frontend-go-1739aa83b5e69d4ccb8a5615830ae66c	1ff7c90845e4	stdlib@go1.20.1	1.25.13	1
salaboy/notifications-service-0e27884e01429ab7e350cb5dff61b525	799c35f9f306	stdlib@go1.20.1	1.25.13	1
samarthya/spinnaker :v1.0	ef06d81036af	stdlib@go1.17.6	1.25.13	1
samcm/checkpointz :latest	a66b24a87766	stdlib@go1.25.1	1.25.13	1
sarwansharma/minio :v3	59d1da9385d1	stdlib@go1.18.3	1.25.13	1
saurabh6/grafana_setup :v1	5c140fda7486	stdlib@go1.16.1	1.25.13	1
sbs20/scanservjs :release-v3.0.3	dad1fd6e9a98	stdlib@go1.19.8	1.25.13	1
scaleway/cert-manager-webhook-scaleway :v0.1.3	6d94c970e710	stdlib@go1.26.5	1.25.13	1
scaleway/scaleway-csi :v0.3.4	11135998e31c	stdlib@go1.24.12	1.25.13	1
scaleway/scaleway-secrets-store-csi :v0.1.1	9acc53a69962	stdlib@go1.26.5	1.25.13	1
schemahero/schemahero-manager :0.22.1	1609e1a05cd3	stdlib@go1.24.6	1.25.13	1
scholtz2/algorand-participation-aramidmain-extended :4.4.1-stable	f12ce1cfb72e	stdlib@go1.25.3	1.25.13	1
scholtz2/algorand-participation-mainnet-extended :4.4.1-stable	5aaa5d4ab8b8	stdlib@go1.25.3	1.25.13	1
scholtz2/algorand-participation-voimain-extended :4.4.1-stable	64966de56d9f	stdlib@go1.25.3	1.25.13	1
scholtz2/algorand-relay-mainnet :4.4.1-stable	e9af7d8ff6bb	stdlib@go1.25.3	1.25.13	1
scholtz2/aramid-algo-follow-node :v4.3.0-stable	1ec63eca86b6	stdlib@go1.23.9	1.25.13	1
scholtz2/aramid-algo-node :v4.4.1-stable	70263d8fab5b	stdlib@go1.23.11	1.25.13	1
scholtz2/aramid-conduit :v1.9.0-stable	3a3b3d3277d2	stdlib@go1.26.3	1.25.13	1
scholtz2/aramid-indexer :v3.9.0-stable	6770214bc881	stdlib@go1.26.3	1.25.13	1
seafileltd/seafile-mc :9.0.10	6693911bcc40	stdlib@go1.19	1.25.13	1
seafileltd/seafile-mc :10.0.1	70628f29c663	stdlib@go1.20	1.25.13	1
seafileltd/seafile-mc :9.0.9	7ac833196f60	stdlib@go1.19	1.25.13	1
seafileltd/seafile-mc :11.0.12	d0c66e4621bd	stdlib@go1.21.4	1.25.13	1
sealio/hermitcrab :v0.1.4	a326a2f03660	stdlib@go1.21.6	1.25.13	1
sealio/terraform-deployer :v1.5.7-seal.1	b0389d9848a5	stdlib@go1.20.7	1.25.13	1
seatsurfing/backend :1.119.3	9952e80048b0	stdlib@go1.26.5	1.25.13	1
securecodebox/operator :5.8.0	c14bd5c550e3	stdlib@go1.26.4	1.25.13	1
seldonio/seldon-core-operator :1.19.0	544e3bf71bd1	stdlib@go1.24.11	1.25.13	1
selectdb/doris.k8s-operator :1.3.1	919210765cb8	stdlib@go1.19.13	1.25.13	1
semaphoreui/semaphore :v2.9.64	5b50bc11833f	stdlib@go1.21.8	1.25.13	1
semaphoreui/semaphore :v2.18.3	e9260bfa8255	stdlib@go1.25.5	1.25.13	1
semitechnologies/weaviate :1.19.1	7a00d226f063	stdlib@go1.19.9	1.25.13	1
senthilrch/kubefledged-controller :v0.11.0	bf336912a191	stdlib@go1.26.5	1.25.13	1
senthilrch/kubefledged-webhook-server :v0.11.0	836a8bbe7cfb	stdlib@go1.26.5	1.25.13	1
sentriz/gonic :v0.13.1	a74012a6adf3	stdlib@go1.16.4	1.25.13	1
shaowenchen/ops-controller-manager :latest	35575d4f2bfe	stdlib@go1.24.13	1.25.13	1