StackRadar

CVE-2026-55831

High

Advisory

Published 22 Jul 2026In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.004
37th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
436
of 17,781 indexed, latest versions
Container images
505
deployed by those charts
Fix available
1 of 1
affected package

Netty SPDY SETTINGS frame count materializes unbounded settings map

Carried by container images the latest versions of 436 of 17,781 indexed charts deploy, on 505 images.

Affected packageAffected versionsFixed inImages
netty-codec-httpmaven4.1.12.Final, 4.1.13.Final, 4.1.17.Final, 4.1.19.Final+91 more4.1.136.Final, 4.2.16.Final505
OSV records
GHSA-6jqx-86gh-f27w

Charts affected

436 by stars
ChartLatestAffected imagesRadar Score
retail-store-sample-cart-chartstacksimplifyVerified publisher1.0.01 of 1See more

retail-store-sample-cart-chart stacksimplify 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-cart:1.3.05d767569c976
netty-codec-http@4.1.124.Final
4.1.136.Final

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1,068
retail-store-sample-orders-chartstacksimplifyVerified publisher2.0.01 of 1See more

retail-store-sample-orders-chart stacksimplify 2.0.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-orders:1.3.0e85f034bcf48
netty-codec-http@4.1.124.Final
4.1.136.Final

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1,223
retail-store-sample-ui-chartstacksimplifyVerified publisher1.0.01 of 1See more

retail-store-sample-ui-chart stacksimplify 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-ui:1.3.0ce3f2e935eb3
netty-codec-http@4.1.124.Final
4.1.136.Final

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836
hazelcaststakaterVerified publisher1.0.21 of 1See more

hazelcast stakater 1.0.2

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
hazelcast/hazelcast:latestf086bf0ecb23
netty-codec-http@4.1.132.Final
4.1.136.Final

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1,702
sonarqubestakaterVerified publisher0.10.31 of 2See more

sonarqube stakater 0.10.3

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
library/sonarqube:6.7.6-community0ae5169e3d0f
netty-codec-http@4.1.13.Final
4.1.136.Final

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11,841
teku-validatorstakewise4.3.21 of 2See more

teku-validator stakewise 4.3.2

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
consensys/teku:25.4.1bf6ecd2ea716
netty-codec-http@4.2.0.Final
4.2.16.Final

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3,153
trinostatcan1.23.41 of 2See more

trino statcan 1.23.4

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
trinodb/trino:405ee80ab5eeab2
netty-codec-http@4.1.72.Final
4.1.136.Final

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13,767
sn-consolestreamnative1.13.01 of 1See more

sn-console streamnative 1.13.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
streamnative/private-cloud-console:v2.3.27-all91e54375e154
netty-codec-http@4.1.129.Final
4.1.136.Final

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1,827
wonder-mesh-netstrrl-helm2026.629.01 of 3See more

wonder-mesh-net strrl-helm 2026.629.0

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.009a381c715ab
netty-codec-http@4.1.111.Final
4.1.136.Final

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5,063
netforge-besvtechVerified publisher0.0.21 of 3See more

netforge-be svtech 0.0.2

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
conductoross/conductor:3.31.09fba127693e6
netty-codec-http@4.1.119.Final
4.1.136.Final

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4,674
zipkin-gcpt3n1.0.01 of 1See more

zipkin-gcp t3n 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
openzipkin/zipkin-gcp:0.15.2b5d51d1144e2
netty-codec-http@4.1.43.Final
4.1.136.Final

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4,538
hadoop-deploymenttejaswita-hadoop-helmchart1.0.01 of 1See more

hadoop-deployment tejaswita-hadoop-helmchart 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
apache/hadoop:3af361b20bec0
netty-codec-http@4.1.86.Final
4.1.136.Final

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4,240
tekton-ci-environment-injectortekton-ci-environment-injectorVerified publisher0.2.41 of 1See more

tekton-ci-environment-injector tekton-ci-environment-injector 0.2.4

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
quay.io/poundex/tekton-ci-environment-injector:0.2.46dd65f22949c
netty-codec-http@4.2.15.Final
4.2.16.Final

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510
tekton-stash-and-cachetekton-stash-and-cacheVerified publisher0.2.21 of 1See more

tekton-stash-and-cache tekton-stash-and-cache 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
quay.io/poundex/tekton-stash-and-cache:0.2.2e854423caa09
netty-codec-http@4.2.15.Final
4.2.16.Final

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1,082
krokiteochenglim1.0.11 of 5See more

kroki teochenglim 1.0.1

1 of the 5 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
yuzutech/kroki:0.17.0192b7b27c857
netty-codec-http@4.1.74.Final
4.1.136.Final

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8,715
shenyutest-helm2.4.212 of 2See more

shenyu test-helm 2.4.21

2 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
apache/shenyu-admin:2.4.2e8b7c4ddd069
netty-codec-http@4.1.38.Final
4.1.136.Final
apache/shenyu-bootstrap:2.4.20bd3b25c4be4
netty-codec-http@4.1.43.Final
4.1.136.Final

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12,513
thingsboardthingsboardVerified publisher0.1.34 of 12See more

thingsboard thingsboard 0.1.3

4 of the 12 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
thingsboard/tb-coap-transport:3.4.1bd45a09d85d9
netty-codec-http@4.1.75.Final
4.1.136.Final
thingsboard/tb-http-transport:3.4.1a06f53c5e2da
netty-codec-http@4.1.75.Final
4.1.136.Final
thingsboard/tb-mqtt-transport:3.4.1030f316ce301
netty-codec-http@4.1.75.Final
4.1.136.Final
thingsboard/tb-node:3.4.1645f43b688f7
netty-codec-http@4.1.75.Final
4.1.136.Final

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25,394
hermestoukVerified publisher0.6.01 of 3See more

hermes touk 0.6.0

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-kafkasql:2.1.0.Finala97d67487532
netty-codec-http@4.1.49.Final
4.1.136.Final

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12,455
orchestratremolo3.1.551 of 5See more

orchestra tremolo 3.1.55

1 of the 5 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
ghcr.io/openunison/openunison-k8s:1.0.509ad450220ab9
netty-codec-http@4.2.13.Final
4.2.16.Final

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7,637
opencloudunxwaresVerified publisher0.2.31 of 13See more

opencloud unxwares 0.2.3

1 of the 13 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http@4.1.118.Final
4.1.136.Final

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45,239
wazuhwazuh-helm-eksVerified publisher1.2.101 of 6See more

wazuh wazuh-helm-eks 1.2.10

1 of the 6 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
wazuh/wazuh-indexer:4.14.49c344d2b1757
netty-codec-http@4.1.125.Final
4.1.136.Final

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5,484
drillwearefrank1.3.61 of 3See more

drill wearefrank 1.3.6

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
apache/drill:1.21.11f96558fd292
netty-codec-http@4.1.73.Final
4.1.136.Final

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9,397
sonarqubewebencryptor6.7.31 of 3See more

sonarqube webencryptor 6.7.3

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
library/sonarqube:8.2-communitya246bc64207e
netty-codec-http@4.1.32.Final
4.1.136.Final

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5,460
webhookiewebhookie0.1.21 of 1See more

webhookie webhookie 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http@4.1.73.Final
4.1.136.Final

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14,364
webhookie-allwebhookie0.1.21 of 3See more

webhookie-all webhookie 0.1.2

1 of the 3 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http@4.1.73.Final
4.1.136.Final

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28,605
hazelcastwenerme5.10.21 of 2See more

hazelcast wenerme 5.10.2

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
hazelcast/hazelcast:5.5.05dd5d31c7a06
netty-codec-http@4.1.111.Final
4.1.136.Final

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2,634
elasticsearchwiremindVerified publisher8.19.01 of 1See more

elasticsearch wiremind 8.19.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
library/elasticsearch:8.19.1289729a95066a
netty-codec-http@4.1.130.Final
4.1.136.Final

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2,191
keycloakwiremindVerified publisher25.3.11 of 2See more

keycloak wiremind 25.3.1

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
ghcr.io/wiremind/bitnami/keycloak:26.5.0-debian-12-r38622ea9e43c0
netty-codec-http@4.1.128.Final
4.1.136.Final

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7,624
metabasewiremindVerified publisher2.27.5-wiremind01 of 1See more

metabase wiremind 2.27.5-wiremind0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
metabase/metabase:v0.61.1.x9491ed11c901
netty-codec-http@4.1.133.Final
4.1.136.Final

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1,639
apicurio-registry-sqlwitcom-gmbh0.1.01 of 1See more

apicurio-registry-sql witcom-gmbh 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-jpa:1.3.2.Final44eeddd3562c
netty-codec-http@4.1.49.Final
4.1.136.Final

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3,424
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-2026-55831.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch:1.13.32acfa1dcc5f8
netty-codec-http@4.1.45.Final
4.1.136.Final

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5,806
ygdrassil-monitoringygdrassilVerified publisher0.4.01 of 10See more

ygdrassil-monitoring ygdrassil 0.4.0

1 of the 10 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.18.07f6fa1efee8f
netty-codec-http@4.1.108.Final
4.1.136.Final

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9,381
zahori-processzahoriVerified publisher1.0.11 of 1See more

zahori-process zahori 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
zahoriaut/zahori-process:0.1.13351f8a220ed7
netty-codec-http@4.1.94.Final
4.1.136.Final

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3,480
zahori-serverzahoriVerified publisher1.0.11 of 2See more

zahori-server zahori 1.0.1

1 of the 2 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
zahoriaut/zahori-server:0.1.17b2de13916f3e
netty-codec-http@4.1.87.Final
4.1.136.Final

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5,846
keycloakxzaks2.2.01 of 1See more

keycloakx zaks 2.2.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:20.0.3b8f2a453a17a
netty-codec-http@4.1.82.Final
4.1.136.Final

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6,016
zipkinzipkinVerified publisher0.5.01 of 1See more

zipkin zipkin 0.5.0

1 of the 1 container images this version deploys carry CVE-2026-55831.

Container imageDigestPackageFixed in
openzipkin/zipkin-slim:3.6.0a69e1057df36
netty-codec-http@4.2.10.Final
4.2.16.Final

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1,159

Container images carrying it

505 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
gurolakman/smsf-dispatcher:1.0.46537e8ed8de8
netty-codec-http@4.1.75.Final
4.1.136.Final
1
gurolakman/smsf-momt:1.0.4ce23b20a8a17
netty-codec-http@4.1.75.Final
4.1.136.Final
1
gurolakman/smsf-registration:1.0.4b22e746edd5d
netty-codec-http@4.1.75.Final
4.1.136.Final
1
gurolakman/ussigw-configuration:1.0.4bf18525c5ad9
netty-codec-http@4.1.75.Final
4.1.136.Final
1
gurolakman/ussigw-core:1.0.48739565c3ea2
netty-codec-http@4.1.75.Final
4.1.136.Final
1
hazelcast/hazelcast:5.3.18fe26efde8e1
netty-codec-http@4.1.91.Final
4.1.136.Final
1
hazelcast/hazelcast:latestf086bf0ecb23
netty-codec-http@4.1.132.Final
4.1.136.Final
1
hazelcast/hazelcast-jet:4.5.3a825ecbe9fda
netty-codec-http@4.1.72.Final
4.1.136.Final
1
hivemq/hivemq4:dns-4.5.144d194450d48e
netty-codec-http@4.1.72.Final
4.1.136.Final
1
hivemq/hivemq-operator:4.7.10241d6a8e1963
netty-codec-http@4.1.77.Final
4.1.136.Final
1
huertaslopez/i.huertas.2021-v.martinp.2021-planner:2.0.0e2c18bd65472
netty-codec-http@4.1.42.Final
4.1.136.Final
1
hugohg34/planner:0.0.2171f61e8d7e2
netty-codec-http@4.1.70.Final
4.1.136.Final
1
hugohg34/toposervice:0.0.2812a03b3f274
netty-codec-http@4.1.70.Final
4.1.136.Final
1
ibmcom/bai-elasticsearch-dev:19.0.25441dba2fa00
netty-codec-http@4.1.32.Final
4.1.136.Final
1
keyfactor/signserver-ce:7.3.2798fbbe00283
netty-codec-http@4.1.116.Final
4.1.136.Final
1
krontechnology/aapm-agent:1.1.07feef7d2ab42
netty-codec-http@4.1.54.Final
4.1.136.Final
1
lavandadelpatio/torznab-atomohd:latest214eaef5444c
netty-codec-http@4.1.90.Final
4.1.136.Final
1
library/crate:4.7.0c7984a05e15b
netty-codec-http@4.1.73.Final
4.1.136.Final
1
library/elasticsearch:8.17.32cc40b15dff8
netty-codec-http@4.1.118.Final
4.1.136.Final
1
library/elasticsearch:8.15.0310b9fc03b06
netty-codec-http@4.1.109.Final
4.1.136.Final
1
library/elasticsearch:7.17.0332c6d416808
netty-codec-http@4.1.66.Final
4.1.136.Final
1
library/elasticsearch:7.17.1588c2ec10c7f2
netty-codec-http@4.1.94.Final
4.1.136.Final
1
library/elasticsearch:9.5.38d09295845fe
netty-codec-http@4.1.135.Final
4.1.136.Final
1
library/elasticsearch:9.5.19656a9ca03f8
netty-codec-http@4.1.135.Final
4.1.136.Final
1
library/elasticsearch:7.17.8fdc73b3249c1
netty-codec-http@4.1.66.Final
4.1.136.Final
1
library/flink:1.11.2-scala_2.121fe4fb22a2a5
netty-codec-http@4.1.34.Final
4.1.136.Final
1
library/logstash:9.1.233eae14f0867
netty-codec-http@4.1.118.Final
4.1.136.Final
1
library/neo4j:2026.05.0-enterprise2caf944aa4a5
netty-codec-http@4.2.14.Final
4.2.16.Final
1
library/neo4j:2026.02.25ab4ab0358cf
netty-codec-http@4.2.9.Final
4.2.16.Final
1
library/neo4j:2026.05.06c162e2432f8
netty-codec-http@4.2.14.Final
4.2.16.Final
1
library/neo4j:5.18.18f01f7bb053e
netty-codec-http@4.1.106.Final
4.1.136.Final
1
library/sonarqube:10.7.0-community0842dcd4c8f8
netty-codec-http@4.1.107.Final
4.1.136.Final
1
library/sonarqube:6.7.6-community0ae5169e3d0f
netty-codec-http@4.1.13.Final
4.1.136.Final
1
library/sonarqube:9.1.0-datacenter-search7e43ff493a47
netty-codec-http@4.1.49.Final
4.1.136.Final
1
library/sonarqube:8.9.2-community88cd63154d4b
netty-codec-http@4.1.49.Final
4.1.136.Final
1
library/sonarqube:8.2-communitya246bc64207e
netty-codec-http@4.1.32.Final
4.1.136.Final
1
library/sonarqube:9.1.0-datacenter-appa9bc5a3a1fc3
netty-codec-http@4.1.49.Final
4.1.136.Final
1
library/sonarqube:8.9-communityeb2f0be32efd
netty-codec-http@4.1.66.Final
4.1.136.Final
1
library/sonarqube:10.0.0-communityef9723cf4fe4
netty-codec-http@4.1.84.Final
4.1.136.Final
1
localstack/localstack:3.19d278167f2b7
netty-codec-http@4.1.100.Final
4.1.136.Final
1
lourdesmorente/new-planner:1.0.0608745878cdb
netty-codec-http@4.1.70.Final
4.1.136.Final
1
magento/magento-cloud-docker-opensearch:2.5-1.4.059fb6f0f1461
netty-codec-http@4.1.79.Final
4.1.136.Final
1
maksimkavalenka/microservices-learning.resource-processor:latest64a25afb8748
netty-codec-http@4.1.97.Final
4.1.136.Final
1
maksimkavalenka/microservices-learning.resource-service:latest13ad9bb170a0
netty-codec-http@4.1.97.Final
4.1.136.Final
1
maksimkavalenka/microservices-learning.song-service:latest2bcdac368b07
netty-codec-http@4.1.97.Final
4.1.136.Final
1
metabase/metabase:v0.63.1.124f150effd484
netty-codec-http@4.1.135.Final
4.1.136.Final
1
metabase/metabase:v0.53.4.17807bc5cad17
netty-codec-http@4.1.116.Final
4.1.136.Final
1
metabase/metabase:v0.31.2ffb2dccacefc
netty-codec-http@4.1.17.Final
4.1.136.Final
1
molynx/planner:v1441c9f52f092
netty-codec-http@4.1.42.Final
4.1.136.Final
1
nacos/nacos-server:1.4.1fe6e5688cdf3
netty-codec-http@4.1.38.Final
4.1.136.Final
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.