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
thomseddon/traefik-forward-auth :latest	b364aa6a4117	stdlib@go1.13.15	1.25.13	1
tile38/tile38 :1.38.0	5b61c6f3b32e	stdlib@go1.26.4	1.25.13	1
tile38/tile38 :1.33.4	afb7e82f9485	stdlib@go1.23.2	1.25.13	1
timescale/timescaledb :latest-pg12	645fd9e92d76	stdlib@go1.18.7	1.25.13	1
timescale/timescaledb :latest-pg16	f495f2bc25ca	stdlib@go1.26.2	1.25.13	1
timescale/timescaledb-ha :pg16	4f288c0a5213	stdlib@go1.18.1	1.25.13	1
timescale/timescaledb-ha :pg15-latest	a8e3322e1cf9	stdlib@go1.19.1	1.25.13	1
timescale/timescaledb-ha :pg14.6-ts2.9.1-p1	cdb9ae118899	stdlib@go1.19.1	1.25.13	1
timescale/timescaledb-ha :pg17.2-ts2.18.2	e8d0a9cc3db5	stdlib@go1.21.13	1.25.13	1
timescale/timescaledb-ha :pg14-ts2.6-latest	ed719c0cd19d	stdlib@go1.15.6	1.25.13	1
timescale/timescaledb-postgis :latest-pg12	7758704d4a14	stdlib@go1.14	1.25.13	1
timonwong/prometheus-webhook-dingtalk :v1.4.0	a0fcc028bd8d	stdlib@go1.13.5	1.25.13	1
tinymediamanager/tinymediamanager :5.3.2	2b34dc85099e	stdlib@go1.24.4	1.25.13	1
tksky1/cubeuniverse :0.1alpha	ec7b889f380f	stdlib@go1.20.3	1.25.13	1
tobiasbp/db-backup :0.0.3	14bee6e33a26	stdlib@go1.13.10	1.25.13	1
tobiasehlert/teslamateapi :1.20.2	cf09259ad0ea	stdlib@go1.24.0	1.25.13	1
tobirachel/node-project3 :v1	7d9f37154994	stdlib@go1.17.5	1.25.13	1
tolgee/tolgee :v3.224.6	adce9963993e	stdlib@go1.24.6	1.25.13	1
toucansoftware/spa-reloader :latest	c187b1fba501	stdlib@go1.13.15	1.25.13	1
traefik/mesh :v1.4.8	cf071f3e165c	stdlib@go1.19	1.25.13	1
traefik/whoami :v1.10.2	1474027c3166	stdlib@go1.22.2	1.25.13	1
traefik/whoami :v1.10	1699d99cb4b9	stdlib@go1.23.5	1.25.13	1
traefik/whoami :v1.6.1	2c52bb2c8480	stdlib@go1.15.6	1.25.13	1
traefik/whoami :v1.8.0	8d0f943abdbf	stdlib@go1.17.7	1.25.13	1
traefik/whoami :v1.6.0	d38496bf0900	stdlib@go1.15.2	1.25.13	1
traggo/server :0.2.3	f1ced637510e	stdlib@go1.13.1	1.25.13	1
tranhailong/nfs-server :4.2-2-gcsfuse	028662749be2	stdlib@go1.18.4	1.25.13	1
treeverse/everest-lakefs-csi-driver :1.3.0	bda61b3fe5d8	stdlib@go1.26.5	1.25.13	1
treeverse/lakefs :0.69.0	478f37a6cffc	stdlib@go1.17.8	1.25.13	1
treskon/portrait :DEV-latest	88e813f22347	stdlib@go1.26.5	1.25.13	1
trinodb/trino :480	1565e8cac299	stdlib@go1.26.1	1.25.13	1
trinodb/trino :481	5b5e0a97f599	stdlib@go1.26.2	1.25.13	1
trinodb/trino :479	6af989b0846d	stdlib@go1.25.4	1.25.13	1
truebyteinnovationllp/redis-exporter :v1.86.0	1c6a945af653	stdlib@go1.25.11	1.25.13	1
tundeficky/nodejs-app :v1.0.0	3cf9a9ce54e8	stdlib@go1.17.5	1.25.13	1
turt2live/matrix-media-repo :v1.2.8	bfbd459f89a5	stdlib@go1.16.3	1.25.13	1
tusproject/tusd :v1.10.0	1e457b59fd5b	stdlib@go1.19.2	1.25.13	1
tusproject/tusd :v1.13.0	f8088058b80f	stdlib@go1.21.0	1.25.13	1
twentycrm/twenty-postgres-spilo :latest	2f78405a78be	stdlib@go1.21.7	1.25.13	1
twinproduction/aws-eks-asg-rolling-update-handler :v1.7.0	8f38c206972e	stdlib@go1.19.3	1.25.13	1
twinproduction/gatus :v5.34.0	3fff895e77d3	stdlib@go1.25.5	1.25.13	1
twinproduction/gatus :v3.8.0	49dc0d9b2e2c	stdlib@go1.18.1	1.25.13	1
uderelier19/pardus-nginx :25-nodeport	8ab640b44e3f	stdlib@go1.24.4	1.25.13	1
udhos/apiping :1.5.0	41ab9bae6f3b	stdlib@go1.25.4	1.25.13	1
udhos/eks-auto-pod-id-assoc :0.6.0	196ef68af380	stdlib@go1.26.3	1.25.13	1
udhos/forward :1.1.3	12e120d39fdb	stdlib@go1.20.5	1.25.13	1
udhos/gateboard :1.12.5	3acc0e7599bf	stdlib@go1.25.3	1.25.13	1
udhos/gateboard-discovery :1.9.5	5567c9363c4c	stdlib@go1.25.3	1.25.13	1
udhos/k8s-mutating-admission-webhook :1.15.1	e588db500edf	stdlib@go1.26.3	1.25.13	1
udhos/kubecache :0.14.1	f44ef986df49	stdlib@go1.26.5	1.25.13	1