StackRadar

CVE-2021-3918

Critical

Advisory

Published 13 Nov 2021In the index since 6 Sept 2026
Severity
Critical
worst across findings
CVSS
9.8
base score, highest
EPSS
0.038
89th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
220
of 17,781 indexed, latest versions
Container images
220
deployed by those charts
Fix available
2 of 2
affected packages

json-schema is vulnerable to Prototype Pollution

Carried by container images the latest versions of 220 of 17,781 indexed charts deploy, on 220 images.

Affected packageAffected versionsFixed inImages
json-schemanpm0.2.2, 0.2.3, 0.3.00.4.0220
node-json-schemadeb0.2.3-10.2.3-1+deb10u1build0.20.04.11
OSV records
GHSA-896r-f27r-55mwUBUNTU-CVE-2021-3918
Also known as
USN-6103-1

Charts affected

220 by stars
ChartLatestAffected imagesRadar Score
pwssoketi0.2.41 of 1See more

pws soketi 0.2.4

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
quay.io/soketi/pws:0.8-16-alpine399d2e6b10ef
json-schema@0.2.3
0.4.0

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3,228
alertmanager-to-alerta-botsomeblackmagic0.2.01 of 1See more

alertmanager-to-alerta-bot someblackmagic 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
someblackmagic/alertmanager-to-alerta-bot:latest78bf43744ea5
json-schema@0.2.3
0.4.0

Open the chart page →

2,121
alert-mappersomeblackmagic0.2.01 of 1See more

alert-mapper someblackmagic 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
someblackmagic/alert-mapper:v0.1.088351d85c04c
json-schema@0.2.3
0.4.0

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1,890
fdi-dotstatsuite-dlmstatcan0.3.11 of 1See more

fdi-dotstatsuite-dlm statcan 0.3.1

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
siscc/dotstatsuite-data-lifecycle-manager:v14.0.0b6f9a7c888fc
json-schema@0.2.3
0.4.0

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3,881
pachydermstatcan0.5.11 of 4See more

pachyderm statcan 0.5.1

1 of the 4 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
pachyderm/grpc-proxy:0.4.92b27f41d4d02
json-schema@0.2.3
0.4.0

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4,967
kurento_webrtc_demostunner0.1.01 of 2See more

kurento_webrtc_demo stunner 0.1.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
l7mp/kurento-one2one-call-server:latestfd2b2d06fff6
json-schema@0.2.3
0.4.0

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12,460
stunner-kurento-one2one-callstunner0.1.01 of 2See more

stunner-kurento-one2one-call stunner 0.1.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
l7mp/kurento-one2one-call-server:latestfd2b2d06fff6
json-schema@0.2.3
0.4.0

Open the chart page →

12,460
grafanasvtech-public-helm-charts1.0.01 of 2See more

grafana svtech-public-helm-charts 1.0.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
svtechnmaa/svtech_grafana:v1.2.21d71314424aa
json-schema@0.2.3
0.4.0

Open the chart page →

10,902
dashkioskt3n2.0.01 of 1See more

dashkiosk t3n 2.0.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
quay.io/t3n/dashkiosk:v2.7.8c973e166a5dc
json-schema@0.2.3
0.4.0

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3,827
trudesktechpreta1.0.01 of 3See more

trudesk techpreta 1.0.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
polonel/trudesk:1.2.60cf6513f6fe3
json-schema@0.2.3
0.4.0

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4,017
csmmth-chartsVerified publisher0.1.01 of 3See more

csmm th-charts 0.1.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
catalysm/csmm:latestf003b35f54d9
json-schema@0.2.3
0.4.0

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3,576
pock-helm-charttinote-chart0.1.01 of 3See more

pock-helm-chart tinote-chart 0.1.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
denisshav/backend:latest4cc8dc5a4499
json-schema@0.2.3
0.4.0

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6,881
kubernetes-external-secretstrozz6.3.01 of 1See more

kubernetes-external-secrets trozz 6.3.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ghcr.io/external-secrets/kubernetes-external-secrets:6.3.0eab9bd0b6986
json-schema@0.2.3
0.4.0

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2,838
genievhdirkVerified publisher0.1.31 of 1See more

genie vhdirk 0.1.3

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
stanfordoval/almond-server:latest1a63cdccedaf
json-schema@0.2.3
0.4.0

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3,129
queryservice-gatewaywbstack0.2.01 of 1See more

queryservice-gateway wbstack 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ghcr.io/wbstack/queryservice-gateway:2.2ab8e2f583e56
json-schema@0.2.3
0.4.0

Open the chart page →

2,559
cadencewenerme0.23.01 of 5See more

cadence wenerme 0.23.0

1 of the 5 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ubercadence/web:v3.29.58564a5b44a6d
json-schema@0.2.3
0.4.0

Open the chart page →

10,127
temporalwenerme0.15.11 of 13See more

temporal wenerme 0.15.1

1 of the 13 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
temporalio/web:1.14.033cfa863d8ce
json-schema@0.2.3
0.4.0

Open the chart page →

22,665
opendistro-eswitcom-gmbh1.13.31 of 3See more

opendistro-es witcom-gmbh 1.13.3

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch-kibana:1.13.2c740d7a89475
json-schema@0.2.3
0.4.0

Open the chart page →

5,806
helloworldyotron-helm-charts0.1.01 of 1See more

helloworld yotron-helm-charts 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
a5hut0sh/helloworld:1.02ae77620e616
json-schema@0.2.3
0.4.0

Open the chart page →

1,309
alertmanager-matrix-forwarderzloi-space1.0.11 of 2See more

alertmanager-matrix-forwarder zloi-space 1.0.1

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
zl0i/alertmanager-matrix-forwarder:v1.0.0e94047931739
json-schema@0.2.3
0.4.0

Open the chart page →

3,118

Container images carrying it

220 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/mmontes11/iot-thing:v3.11.0542e91e8499c
json-schema@0.2.3
0.4.0
1
ghcr.io/mmontes11/iot-worker:v3.11.0491bb243f555
json-schema@0.2.3
0.4.0
1
ghcr.io/sct/overseerr:1.26.1254d16af8f71
json-schema@0.2.3
0.4.0
1
ghcr.io/wbstack/queryservice-gateway:2.2ab8e2f583e56
json-schema@0.2.3
0.4.0
1
quay.io/ctrontesting/iofog-controller:latest10df27bc5560
json-schema@0.2.3
0.4.0
1
quay.io/flomesh/flomesh-console-ubi8:0.70.0-30ce6938ff6709
json-schema@0.2.3
0.4.0
1
quay.io/helmpack/monocular-ui:v1.10.086b71e90319f
json-schema@0.2.3
0.4.0
1
quay.io/hewlettpackardenterprise/squest:2.8.465694109877e
json-schema@0.3.0
0.4.0
1
quay.io/ibmgaragecloud/developer-dashboard:v1.4.47a4b9fedc724
json-schema@0.2.3
0.4.0
1
quay.io/ibmgaragecloud/nodejs:latest01c3b7acb301
json-schema@0.2.3
0.4.0
1
quay.io/ibmgaragecloud/slack-notifications:latest041df93e2bac
json-schema@0.2.3
0.4.0
1
quay.io/mongodb/farm-intro-frontend:0.199ccdfd543e1
json-schema@0.2.3
0.4.0
1
quay.io/renokico/laravel-helm-demo:0.6.03207f957e80c
json-schema@0.2.3
0.4.0
1
quay.io/renokico/laravel-helm-demo:worker-0.6.04b188259267e
json-schema@0.2.3
0.4.0
1
quay.io/renokico/laravel-helm-demo:octane-0.6.0cad83090c58f
json-schema@0.2.3
0.4.0
1
quay.io/rht-labs/stack-do500:3.0.86ba82beff18e
json-schema@0.2.3
0.4.0
1
quay.io/soketi/pws:0.8-16-alpine399d2e6b10ef
json-schema@0.2.3
0.4.0
1
quay.io/t3n/dashkiosk:v2.7.8c973e166a5dc
json-schema@0.2.3
0.4.0
1
quay.io/wekan/wekan:v5.65cb17600883a3
json-schema@0.2.3
0.4.0
1
registry.gitlab.com/infinitydon/registry/open5gs-webui:v2.2.2fda21b0a0344
json-schema@0.2.3
0.4.0
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

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