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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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
cryptexlabs/swagger-combine-ui:0.2.1ed0bc94fd412
json-schema@0.2.3
0.4.0
1
daskdev/dask-notebook:1.1.0052630f5ca04
json-schema@0.2.3
0.4.0
1
datarhei/restreamer:0.6.4655e12f9eeed
json-schema@0.2.3
0.4.0
1
davidvmar/urjc-davidvmar-external-service:1.0.02a68e9ac7f09
json-schema@0.2.3
0.4.0
1
davidvmar/urjc-davidvmar-server:1.0.05663f5b24615
json-schema@0.2.3
0.4.0
1
decayofmind/hubot:3.3.21e18e92fe694
json-schema@0.2.3
0.4.0
1
denisshav/backend:latest4cc8dc5a4499
json-schema@0.2.3
0.4.0
1
dessalines/lemmy-ui:0.19.20ee4c620d8e93
json-schema@0.2.3
0.4.0
1
devspacecloud/ui:0.3.3deef55ff29a7
json-schema@0.2.3
0.4.0
1
eameti/node-app:latestf36642affa86
json-schema@0.2.3
0.4.0
1
electerious/ackee:3.2.05e7173fa321c
json-schema@0.2.3
0.4.0
1
enketo/enketo-express:3.0.4dcad9c2273f6
json-schema@0.2.3
0.4.0
1
ethereumex/eth-stats-dashboard:v0.0.1a7603aa8df4c
json-schema@0.2.3
0.4.0
1
ethereumoptimism/data-transport-layer:0.5.56e07968a0e686
json-schema@0.2.3
0.4.0
1
ethersphere/bzz-token-service:latest7624f11a72ad
json-schema@0.2.3
0.4.0
1
felddy/foundryvtt:0.8.36c5d90b90349
json-schema@0.2.3
0.4.0
1
fiware/iotagent-ul:1.14.0fe11f55a926d
json-schema@0.2.3
0.4.0
1
flagsmith/flagsmith-frontend:v2.6.0df02a29e8b0c
json-schema@0.2.3
0.4.0
1
frappe/frappe-socketio:v13.4.12095767a9e82
json-schema@0.2.3
0.4.0
1
galaxy/galaxy-init:v18.010267bad550e6
json-schema@0.2.3
0.4.0
1
getferdi/ferdi-server:1.3.26e620b85afaa
json-schema@0.2.3
0.4.0
1
gethue/hue:4.10.05702b2c37ff9
json-schema@0.2.3
0.4.0
1
governify/collector-dynamic:v1.3.06d3d1a5b46a9
json-schema@0.2.3
0.4.0
1
graphiteapp/graphite-statsd:1.1.7-604a0037cc2ae
json-schema@0.2.3
0.4.0
1
gristlabs/grist:0.7.96e71b1914a7e
json-schema@0.2.3
0.4.0
1
halkeye/gitter-slack-bridge:v2.0.153eb2b3cd4cb
json-schema@0.2.3
0.4.0
1
halkeye/hubot:latest9764d2202130
json-schema@0.2.3
0.4.0
1
halkeye/irslackd:latest7638bfba70b0
json-schema@0.2.3
0.4.0
1
haveagitgat/tdarr_node:2.00.101e3f9328327d
json-schema@0.2.3
0.4.0
1
hhaluk/crypto-watchdog:0.4.0a6555953d941
json-schema@0.2.3
0.4.0
1
hyperledger/fabric-couchdb:0.4.10c65891b6c237
json-schema@0.2.3
0.4.0
1
i4trust/pdc-portal:2.0.03e77858e1219
json-schema@0.2.3
0.4.0
1
ibarreche/cloud-indexer-ci:latestb7a08274e69f
json-schema@0.2.3
0.4.0
1
ibmcom/app-nav-init:1.0.1240ff499eb5b
json-schema@0.2.3
0.4.0
1
ibmcom/app-nav-ui:1.0.1e2a86997b36b
json-schema@0.2.3
0.4.0
1
ibmcom/bai-admin-dev:19.0.202d882f2836e
json-schema@0.2.3
0.4.0
1
ibmcom/bai-setup-dev:19.0.2b8e8df11072d
json-schema@0.2.3
0.4.0
1
ibmcom/icp-sert-bats:3.2.0b558f2b444ae
json-schema@0.2.3
0.4.0
1
ibmcom/microclimate-file-watcher:latestab3fd1fdfa18
json-schema@0.2.3
0.4.0
1
ibmcom/microclimate-portal:latested5505e5c7ec
json-schema@0.2.3
0.4.0
1
ibmcom/microclimate-theia:lateste17bdccc5030
json-schema@0.2.3
0.4.0
1
ibmcom/voice-gateway-mr:1.0.5.00762ab1df6c1
json-schema@0.2.3
0.4.0
1
improwised/erpnext-worker:v13.4.197280b55cbd4
json-schema@0.2.3
0.4.0
1
inseefrlab/shelly:cloudshell31f04ca7436b
json-schema@0.2.3
0.4.0
1
interlayhq/interbtc-hydra-processor:master-2c6e16e-1637088364423d567d47aa
json-schema@0.2.3
0.4.0
1
istio/examples-bookinfo-ratings-v1:1.17.0b6a6b88d3578
json-schema@0.2.3
0.4.0
1
jayfong/yapi:1.10.2163e5d621910
json-schema@0.2.3
0.4.0
1
jesec/flood:4.7.03d1d0bec117a
json-schema@0.2.3
0.4.0
1
jesec/flood:4.6.060bd59cfb4eb
json-schema@0.2.3
0.4.0
1
jesec/rtorrent-flood:latestf0c894ec459e
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.