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
lishimeng/hufu :v1.2.1	3d5752dac834	stdlib@go1.20.7	1.25.13	1
lishimeng/owl-console :v0.11.2	c79a67657baf	stdlib@go1.21.3	1.25.13	1
lishimeng/owl-messager :v0.11.2	3d00485e64dc	stdlib@go1.21.3	1.25.13	1
lishimeng/passport :v0.2.16	3e7d05ded625	stdlib@go1.20.7	1.25.13	1
lishimeng/passport-profile :v0.2.16	0970dfe5dc8f	stdlib@go1.20.7	1.25.13	1
lishimeng/tabby :v1.0.4	8145c3dc83c8	stdlib@go1.20.6	1.25.13	1
lishimeng/tree :v0.2.8	9b2f8be6c7d3	stdlib@go1.20.6	1.25.13	1
lishimeng/zoo :v0.4.0	e0b8d2d8ca28	stdlib@go1.20.8	1.25.13	1
listmonk/listmonk :v6.0.0	bf3903d54a46	stdlib@go1.24.1	1.25.13	1
litestream/litestream :0.3	c5a1e1b01916	stdlib@go1.21.3	1.25.13	1
livekit/ingress :v1.2.2	1ab01641b366	stdlib@go1.20.7	1.25.13	1
livekit/livekit-recorder :v0.3.13	ecf1409c75e0	stdlib@go1.16.2	1.25.13	1
livekit/livekit-server :v1.9.0	3602a85840d5	stdlib@go1.24.3	1.25.13	1
livekit/livekit-server :v1.0.0	8391fd1b834f	stdlib@go1.17.10	1.25.13	1
livekit/livekit-server :v1.12.0	b1281e66e35e	stdlib@go1.26.4	1.25.13	1
lmierzwa/karma :v0.50	3751e5eed656	stdlib@go1.13.4	1.25.13	1
lmierzwa/karma :v0.70	d417abe7ddb5	stdlib@go1.15.2	1.25.13	1
localstack/localstack :3.1	9d278167f2b7	stdlib@go1.18.10	1.25.13	1
loeken/home-assistant :2026.5.1	4ce6abc553b3	stdlib@go1.23.3	1.25.13	1
loftsh/directclusterendpoint :1.14.0	310cc7d690f5	stdlib@go1.16.6	1.25.13	1
loftsh/jspolicy :0.2.2	25deb9bd2683	stdlib@go1.17.13	1.25.13	1
loftsh/virtual-cluster :0.0.28	023b13bf5898	stdlib@go1.15.11	1.25.13	1
logiqai/flash :v3.10.2	65b996bc7bdc	stdlib@go1.21.13	1.25.13	1
logiqai/flash-discovery :v2.0.3	f5b551bca98e	stdlib@go1.18.9	1.25.13	1
logiqai/logiqctl :2.0.4	798306811f2d	stdlib@go1.13.7	1.25.13	1
logiqai/tracing :v1.35.2-lq1-c	3e149f6781b8	stdlib@go1.18.2	1.25.13	1
logiqai/tracing :v1.35.2-lq1-q	4a746ff04d6a	stdlib@go1.18.2	1.25.13	1
lokxy/lokxy :v0.9.0	e4ac800dc55d	stdlib@go1.26.4	1.25.13	1
longhornio/longhorn-manager :v1.10.0	5b0bc1b88f0c	stdlib@go1.24.6	1.25.13	1
longhornio/longhorn-manager :v1.1.1	ede61fe2a472	stdlib@go1.14.1	1.25.13	1
longhornio/longhorn-manager :v1.12.0	fd245bae2e82	stdlib@go1.25.10	1.25.13	1
longhornio/longhorn-share-manager :v1.10.0	9f6e5e3be8ab	stdlib@go1.24.6	1.25.13	1
longhornio/longhorn-share-manager :v1.12.0	cb9d6863e4c6	stdlib@go1.26.3	1.25.13	1
longhornio/longhorn-ui :v1.12.0	3870d52a2b0a	stdlib@go1.25.10	1.25.13	1
longhornio/longhorn-ui :v1.10.0	e60f36161511	stdlib@go1.24.6	1.25.13	1
longhornio/upgrade-responder :v0.2.0	5875cef29348	stdlib@go1.17.13	1.25.13	1
louislam/its-mytabs :1.7.0	2e478d3170bd	stdlib@go1.24.4	1.25.13	1
louislam/uptime-kuma :2.2.1-slim	059b49d64739	stdlib@go1.20.5	1.25.13	1
louislam/uptime-kuma :1.22.1	0b55bcb83a1c	stdlib@go1.19.6	1.25.13	1
louislam/uptime-kuma :2.0.2	4c364ef96aad	stdlib@go1.20.5	1.25.13	1
louislam/uptime-kuma :1	70233f4acb51	stdlib@go1.20.5	1.25.13	1
louislam/uptime-kuma :2.4.0	91e963bfda56	stdlib@go1.20.5	1.25.13	1
louislam/uptime-kuma :1.23.13	96510915e6be	stdlib@go1.19.6	1.25.13	1
louislam/uptime-kuma :2.0.2-slim-rootless	9865163f92c1	stdlib@go1.20.5	1.25.13	1
louislam/uptime-kuma :1.17.1	a4eab252e5a2	stdlib@go1.17.5	1.25.13	1
louislam/uptime-kuma :1.18.5	a84767d7934f	stdlib@go1.18.5	1.25.13	1
louislam/uptime-kuma :1.23.12	bc6f244ecf27	stdlib@go1.19.6	1.25.13	1
louislam/uptime-kuma :2.5.5	c74379ac4509	stdlib@go1.20.5	1.25.13	1
lumenvox/admin-portal :7.1	12310cf52f79	stdlib@go1.26.2	1.25.13	1
lumenvox/archive :7.1	5114f08ab8ef	stdlib@go1.26.2	1.25.13	1