StackRadar

CVE-2026-56403

Medium

Advisory

Published 21 Jun 2026In the index since 5 Sept 2026
Severity
Medium
worst across findings
CVSS
6.9
base score, highest
EPSS
0.001
4th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
1,393
of 17,790 indexed, latest versions
Container images
1,377
deployed by those charts
Fix available
2 of 2
affected packages

The matching OSV records carry no description.

Carried by container images the latest versions of 1,393 of 17,790 indexed charts deploy, on 1,377 images.

Affected packageAffected versionsFixed inImages
expatdeb2.1.0-4ubuntu1, 2.1.0-4ubuntu1.4, 2.1.0-7ubuntu0.16.04.2, 2.1.0-7ubuntu0.16.04.3+32 more2.5.0-1+deb12u3, 2.8.2-1~deb13u11,124
expatapk2.5.0-r4, 2.6.4-r0, 2.6.4-r1, 2.7.0-r0+9 more2.8.2-r0253
OSV records
ALPINE-CVE-2026-56403CGA-cqh8-hf6q-598xDEBIAN-CVE-2026-56403UBUNTU-CVE-2026-56403
Also known as
CGA-f95f-pgm3-22rx, CGA-qvw4-2mcj-w6px, CGA-v4rv-wxhh-84xv

Charts affected

1,393 by stars
ChartLatestAffected imagesRadar Score
librechathajowielandVerified publisher1.1.01 of 1See more

librechat hajowieland 1.1.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/danny-avila/librechat:v0.7.87fe76551a78e
expat@2.7.0-r0
2.8.2-r0

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2,949
web-checkhajowielandVerified publisher1.0.11 of 1See more

web-check hajowieland 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/lissy93/web-check:latesta4e021c0f6a9
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

9,327
octoboxhalkeye0.1.11 of 1See more

octobox halkeye 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
octoboxio/octobox:latestd909041c46eb
expat@2.7.3-r0
2.8.2-r0

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3,256
hawk-envoy-pluginhawk0.1.01 of 4See more

hawk-envoy-plugin hawk 0.1.0

1 of the 4 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
kong/httpbin:latesta6ac46531193
expat@2.4.7-1ubuntu0.5
no fix listed

Open the chart page →

9,178
heliconehelicone0.1.422 of 14See more

helicone helicone 0.1.42

2 of the 14 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
helicone/clickhouse-migration-runner:v2025.03.05-14c69b971a7e4
expat@2.2.9-1ubuntu0.7
no fix listed
helicone/supabase-migration-runner:v2025.03.05-14a913936c97b
expat@2.5.0-1
2.5.0-1+deb12u3

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25,183
helixhelix1.4.31 of 2See more

helix helix 1.4.3

1 of the 2 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
quay.io/jupyterhub/k8s-hub:4.3.492f883d09270
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

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5,586
hello-worldhello-world-pponyVerified publisher0.3.01 of 1See more

hello-world hello-world-ppony 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
library/nginx:1.25.49ff236ed47fe
expat@2.5.0-1
2.5.0-1+deb12u3

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5,862
7dtdhelm-7dtd0.1.01 of 1See more

7dtd helm-7dtd 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
vinanrra/7dtd-server:v0.4.4f9534490bd2b
expat@2.2.5-3ubuntu0.9
no fix listed

Open the chart page →

10,673
pageshelm-chart-repos-camden1.0.02 of 3See more

pages helm-chart-repos-camden 1.0.0

2 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
dellcloud/pages:monitor6ba7b22caacd
expat@2.2.9-1build1
no fix listed
flyway/flyway:6.4.422d97ceb0c47
expat@2.2.5-3ubuntu0.2
no fix listed

Open the chart page →

20,242
esphomehelm-chart-roeiVerified publisher2025.3.01 of 1See more

esphome helm-chart-roei 2025.3.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
esphome/esphome:2025.3.0def8b6e4f517
expat@2.5.0-1+deb12u1
2.5.0-1+deb12u3

Open the chart page →

6,036
home-assistanthelm-chart-roeiVerified publisher2025.3.01 of 1See more

home-assistant helm-chart-roei 2025.3.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/home-assistant/home-assistant:2025.3.026c51e44d932
expat@2.6.4-r0
2.8.2-r0

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4,651
iofoghelm-chartsVerified publisher0.1.11 of 3See more

iofog helm-charts 0.1.1

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
iofog/router:2.0.17260cf861479
expat@2.2.5-3ubuntu0.2
no fix listed

Open the chart page →

24,171
nginx-charthelm-chart-sample-app0.1.01 of 1See more

nginx-chart helm-chart-sample-app 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
rraahul/test:latestbfe2c1183bc0
expat@2.4.7-1ubuntu0.2
no fix listed

Open the chart page →

4,599
twampyhelm-charts-darox0.0.21 of 1See more

twampy helm-charts-darox 0.0.2

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
dariomader/twampy:v0.0.2d2f4a8c5e690
expat@2.5.0-r4
2.8.2-r0

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2,064
kube-downscalerhelm-charts-nr0.7.61 of 1See more

kube-downscaler helm-charts-nr 0.7.6

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
hjacobs/kube-downscaler:23.2.0-6-gc9b88e84b2147f47425
expat@2.5.0-1
2.5.0-1+deb12u3

Open the chart page →

4,310
chart-bookhelm-deploy-book0.1.01 of 3See more

chart-book helm-deploy-book 0.1.0

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
dannielkil/book-frontend:latest937993927694
expat@2.5.0-1
2.5.0-1+deb12u3

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9,148
archiveboxhelmforgeVerified publisher1.1.121 of 1See more

archivebox helmforge 1.1.12

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
archivebox/archivebox:0.7.41a5a37331091
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

7,675
booklorehelmforgeVerified publisher2.0.11 of 3See more

booklore helmforge 2.0.1

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/booklore-app/booklore:v2.3.1d3d3af34bc2c
expat@2.8.1-r0
2.8.2-r0

Open the chart page →

2,329
castopodhelmforgeVerified publisher1.2.71 of 3See more

castopod helmforge 1.2.7

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
castopod/castopod:1.15.54e4f0440520f
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

9,485
ckanhelmforgeVerified publisher1.3.81 of 6See more

ckan helmforge 1.3.8

1 of the 6 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ckan/ckan-solr:2.11-solr9ef8e5d3e6be1
expat@2.4.7-1ubuntu0.7
no fix listed

Open the chart page →

10,027
countlyhelmforgeVerified publisher1.2.61 of 3See more

countly helmforge 1.2.6

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
countly/countly-server:25.05.4e3c238248f99
expat@2.2.9-1ubuntu0.6
no fix listed

Open the chart page →

18,938
discount-bandithelmforgeVerified publisher2.0.81 of 3See more

discount-bandit helmforge 2.0.8

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
cybrarist/discount-bandit:v4.0.4e9e2447ac666
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

29,930
druidhelmforgeVerified publisher1.3.62 of 4See more

druid helmforge 1.3.6

2 of the 4 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
apache/druid:37.0.00116fb802786
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
library/zookeeper:3.9.5f258365d4882
expat@2.4.7-1ubuntu0.7
no fix listed

Open the chart page →

8,623
drupalhelmforgeVerified publisher1.2.131 of 2See more

drupal helmforge 1.2.13

1 of the 2 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
library/drupal:11.4.6-php8.5-apache-bookworm28f7931ecbcb
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

3,884
fastmcp-serverhelmforgeVerified publisher1.7.41 of 1See more

fastmcp-server helmforge 1.7.4

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
helmforge/fastmcp-server:0.11.2fcb7017327d6
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

3,304
immichhelmforgeVerified publisher1.2.82 of 5See more

immich helmforge 1.2.8

2 of the 5 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/immich-app/immich-machine-learning:v3.1.05a0839dc5303
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
ghcr.io/immich-app/immich-server:v3.1.0b434cb9287ee
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

11,122
jupyterhubhelmforgeVerified publisher1.0.61 of 3See more

jupyterhub helmforge 1.0.6

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
quay.io/jupyterhub/k8s-hub:4.3.5113e372cf71b
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

5,361
mcp-serverhelmforgeVerified publisher1.0.01 of 1See more

mcp-server helmforge 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
helmforge/fastmcp-server:0.2.061f759a1421f
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

3,453
middlewarehelmforgeVerified publisher1.2.61 of 4See more

middleware helmforge 1.2.6

1 of the 4 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
middlewareeng/middleware:0.3.1747d880812f1
expat@2.5.0-1+deb12u1
2.5.0-1+deb12u3

Open the chart page →

9,771
minecrafthelmforgeVerified publisher1.5.41 of 1See more

minecraft helmforge 1.5.4

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
itzg/minecraft-server:2026.9.1e8640538dac5
expat@2.6.1-2ubuntu0.4
no fix listed

Open the chart page →

4,129
moodlehelmforgeVerified publisher1.1.01 of 2See more

moodle helmforge 1.1.0

1 of the 2 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
moodlehq/moodle-php-apache:8.4-bookworm922af5166835
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

6,206
netboxhelmforgeVerified publisher2.0.11 of 4See more

netbox helmforge 2.0.1

1 of the 4 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
netboxcommunity/netbox:v4.6.10-5.0.291b823a05cb5
expat@2.7.4-1
no fix listed

Open the chart page →

4,347
openreel-videohelmforgeVerified publisher1.0.31 of 1See more

openreel-video helmforge 1.0.3

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
helmforge/openreel-video:v0.5.07ba0d47b943f
expat@2.7.5-r0
2.8.2-r0

Open the chart page →

1,086
phpmyadminhelmforgeVerified publisher2.0.11 of 1See more

phpmyadmin helmforge 2.0.1

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
phpmyadmin/phpmyadmin:5.2.342a200db07b4
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

4,819
tomcathelmforgeVerified publisher1.0.61 of 2See more

tomcat helmforge 1.0.6

1 of the 2 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
library/tomcat:11.0.25-jdk17-temurin-noble9e1d2afa6898
expat@2.6.1-2ubuntu0.4
no fix listed

Open the chart page →

1,253
uptime-kumahelmforgeVerified publisher1.5.131 of 1See more

uptime-kuma helmforge 1.5.13

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
louislam/uptime-kuma:2.5.4917318f9d7be
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3

Open the chart page →

30,326
zookeeperhelmforgeVerified publisher1.0.21 of 1See more

zookeeper helmforge 1.0.2

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
library/zookeeper:3.9.5f258365d4882
expat@2.4.7-1ubuntu0.7
no fix listed

Open the chart page →

3,145
myapphelmingapp0.1.01 of 1See more

myapp helmingapp 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
muhammedgamal/fp23:latest74b4cd69b6fa
expat@2.5.0-1
2.5.0-1+deb12u3

Open the chart page →

12,680
jellyfinhelm-l3st86Verified publisher0.1.81 of 1See more

jellyfin helm-l3st86 0.1.8

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
jellyfin/jellyfin:latestaefb67e6a7ff
expat@2.7.1-2
2.8.2-1~deb13u1

Open the chart page →

2,626
openaevhelm-openbasVerified publisher2.0.51 of 7See more

openaev helm-openbas 2.0.5

1 of the 7 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
openaev/platform:3.260904.00a12ce8b3db9
expat@2.6.1-2ubuntu0.4
no fix listed

Open the chart page →

7,528
openbashelm-openbasVerified publisher1.8.142 of 7See more

openbas helm-openbas 1.8.14

2 of the 7 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
openbas/caldera-server:5.1.0a277796d9724
expat@2.5.0-1+deb12u1
2.5.0-1+deb12u3
openbas/platform:2.0.5d986d80b0a75
expat@2.6.1-2ubuntu0.3
no fix listed

Open the chart page →

25,190
release-cleanerhelm-release-cleanerVerified publisher1.0.01 of 1See more

release-cleaner helm-release-cleaner 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
alpine/helm:4.1.0905a068da431
expat@2.7.3-r0
2.8.2-r0

Open the chart page →

2,001
pageshelm-repo1.0.02 of 3See more

pages helm-repo 1.0.0

2 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
dellcloud/pages:monitor6ba7b22caacd
expat@2.2.9-1build1
no fix listed
flyway/flyway:6.4.422d97ceb0c47
expat@2.2.5-3ubuntu0.2
no fix listed

Open the chart page →

20,242
svacerhelm-svacer0.6.01 of 1See more

svacer helm-svacer 0.6.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ispras/svacer:11-2-042aa9fa9f189
expat@2.4.7-1ubuntu0.6
no fix listed

Open the chart page →

6,085
samplehelmapphelmtraining3.0.01 of 1See more

samplehelmapp helmtraining 3.0.0

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
praravind1801/helmimages:3.0.0f29d637b9ce1
expat@2.5.0-1
2.5.0-1+deb12u3

Open the chart page →

5,996
nominatimheywood8-helm-chartsVerified publisher3.10.81 of 3See more

nominatim heywood8-helm-charts 3.10.8

1 of the 3 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
mediagis/nominatim:4.2d0eae7b51374
expat@2.4.7-1ubuntu0.2
no fix listed

Open the chart page →

14,363
hivemq-edgehivemqOfficialVerified publisher0.1.361 of 1See more

hivemq-edge hivemq 0.1.36

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
hivemq/hivemq-edge:2026.14d8250a233cea
expat@2.6.1-2ubuntu0.4
no fix listed

Open the chart page →

1,238
printserverhmediadeVerified publisher1.0.22 of 4See more

printserver hmediade 1.0.2

2 of the 4 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
hmediade/printserver:latest481a552c8e1c
expat@2.4.7-1ubuntu0.2
no fix listed
hmediade/printserver-init:latest7f005eb6c718
expat@2.4.7-1ubuntu0.2
no fix listed

Open the chart page →

10,948
paperlesshomelabcihelmchartstestVerified publisher9.1.91 of 1See more

paperless homelabcihelmchartstest 9.1.9

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
ghcr.io/paperless-ngx/paperless-ngx:2.0.1ab255bea133e
expat@2.5.0-1
2.5.0-1+deb12u3

Open the chart page →

16,415
webserverhongshaoyangVerified publisher0.1.31 of 1See more

webserver hongshaoyang 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-56403.

Container imageDigestPackageFixed in
library/httpd:alpine1b766f17b840
expat@2.8.1-r0
2.8.2-r0

Open the chart page →

902

Container images carrying it

1,377 by charts deploying them

A fixed version is listed for 2 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
quay.io/evryfs/docker-mcrouter:0.40.0-9a2d3a4c67b0f
expat@2.2.5-3ubuntu0.7
no fix listed
1
quay.io/fiware/waltid:1.14.1-SNAPSHOT93889c3d8a34
expat@2.4.7-1
no fix listed
1
quay.io/go-skynet/local-ai:latestd78cd113b2bc
expat@2.6.1-2ubuntu0.4
no fix listed
1
quay.io/jupyterhub/k8s-hub:4.3.5113e372cf71b
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
1
quay.io/jupyterhub/k8s-hub:4.3.492f883d09270
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
1
quay.io/mittwald/kube-httpcache:stable2169032c5840
expat@2.5.0-1+deb12u1
2.5.0-1+deb12u3
1
quay.io/opsmxpublic/rabbitmq:4.2-management3408107e5cc4
expat@2.6.1-2ubuntu0.3
no fix listed
1
quay.io/opsmxpublic/spin-sample-pipeline:v1.0.1c6a934439421
expat@2.1.0-7ubuntu0.16.04.4
no fix listed
1
quay.io/ortelius/ms-compitem-crud:main-v10.0.1566-gf3f81597b7f49eec76
expat@2.7.3-r0
2.8.2-r0
1
quay.io/ortelius/ms-dep-pkg-r:main-v10.0.1705-g21b3dc8a4150e94a45
expat@2.7.3-r0
2.8.2-r0
1
quay.io/ortelius/ms-textfile-crud:main-v10.0.1635-g5076aaf5c4c8adfc82
expat@2.7.3-r0
2.8.2-r0
1
quay.io/ortelius/ms-validate-user:main-v10.0.1694-g98ed94b5054bd4e97a
expat@2.7.3-r0
2.8.2-r0
1
quay.io/poundex/tekton-ci-environment-injector:0.2.46dd65f22949c
expat@2.8.1-r0
2.8.2-r0
1
quay.io/poundex/tekton-stash-and-cache:0.2.2e854423caa09
expat@2.7.4-1
no fix listed
1
quay.io/underndog/samba:1.2.0-not-recyclecca801de9fa5
expat@2.7.0-r0
2.8.2-r0
1
quay.io/yushiwho/api:e1f9d77e0d9b93dbf2b
expat@2.5.0-1
2.5.0-1+deb12u3
1
registry.gitlab.com/crafty-controller/crafty-4:latest166a06f73d8c
expat@2.6.1-2ubuntu0.4
no fix listed
1
registry.gitlab.com/dyff/workflows-aggregator:0.16.9b7984253b128
expat@2.7.4-1
no fix listed
1
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-frontend:1.0.3166353ce9bf98
expat@2.7.1-2
2.8.2-1~deb13u1
1
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-mq-consumer:1.0.310e3cd8c7776d
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
1
registry.gitlab.com/infinitydon/registry/open5gs-aio:v2.2.2f6385712935f
expat@2.2.9-1build1
no fix listed
1
registry.gitlab.com/school_guy/docker-typo3:13.4.30-197d868ed76185d7270d
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
1
registry.gitlab.com/technostructures/posca/posca:latesta693021686ca
expat@2.7.5-r0
2.8.2-r0
1
registry.k8s.io/git-sync/git-sync:v4.5.00e64aedb0d0a
expat@2.7.1-2
2.8.2-1~deb13u1
1
registry.k8s.io/git-sync/git-sync:v4.1.0fd9722fd02e3
expat@2.5.0-1
2.5.0-1+deb12u3
1
registry.k8s.io/sig-storage/nfsplugin:v4.13.41eb5a85180a4
expat@2.5.0-1+deb12u2
2.5.0-1+deb12u3
1
registry.k8s.io/sig-storage/nfsplugin:v4.11.0ce5b5ccd5eb0
expat@2.5.0-1+deb12u1
2.5.0-1+deb12u3
1

syft 1.42.1 · advisories as of 16 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.