StackRadar

CVE-2026-56819

High

Advisory

Published 31 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
386
of 17,787 indexed, latest versions
Container images
450
deployed by those charts
Fix available
1 of 1
affected package

Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Carried by container images the latest versions of 386 of 17,787 indexed charts deploy, on 450 images.

Affected packageAffected versionsFixed inImages
netty-codec-http2maven4.1.12.Final, 4.1.19.Final, 4.1.22.Final, 4.1.24.Final+82 more4.1.136.Final, 4.2.16.Final450
OSV records
GHSA-93wv-jw9v-4972

Charts affected

386 by stars
ChartLatestAffected imagesRadar Score
keycloaksikalabs0.1.01 of 1See more

keycloak sikalabs 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.3.36a7217a100bd
netty-codec-http2@4.1.124.Final
4.1.136.Final

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1,690
simple-keycloaksikalabs0.1.01 of 1See more

simple-keycloak sikalabs 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:20.0.18830f76112b6
netty-codec-http2@4.1.82.Final
4.1.136.Final

Open the chart page →

6,443
bootzookasoftwaremillVerified publisher0.2.11 of 2See more

bootzooka softwaremill 0.2.1

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
softwaremill/bootzooka:latest845b5e8f8056
netty-codec-http2@4.2.13.Final
4.2.16.Final

Open the chart page →

3,003
strimzi-user-operatorspartan0.4.01 of 1See more

strimzi-user-operator spartan 0.4.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/strimzi/operator:0.45.158c727cd2e68
netty-codec-http2@4.1.118.Final
4.1.136.Final

Open the chart page →

1,836
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-2026-56819.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-cart:1.3.05d767569c976
netty-codec-http2@4.1.124.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-orders:1.3.0e85f034bcf48
netty-codec-http2@4.1.124.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
public.ecr.aws/aws-containers/retail-store-sample-ui:1.3.0ce3f2e935eb3
netty-codec-http2@4.1.124.Final
4.1.136.Final

Open the chart page →

836
hazelcaststakaterVerified publisher1.0.21 of 1See more

hazelcast stakater 1.0.2

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
hazelcast/hazelcast:latestf086bf0ecb23
netty-codec-http2@4.1.132.Final
4.1.136.Final

Open the chart page →

1,702
teku-validatorstakewise4.3.21 of 2See more

teku-validator stakewise 4.3.2

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
consensys/teku:25.4.1bf6ecd2ea716
netty-codec-http2@4.1.118.Final
4.1.136.Final

Open the chart page →

3,153
trinostatcan1.23.41 of 2See more

trino statcan 1.23.4

1 of the 2 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
trinodb/trino:405ee80ab5eeab2
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
streamnative/private-cloud-console:v2.3.27-all91e54375e154
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.009a381c715ab
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
conductoross/conductor:3.31.09fba127693e6
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
openzipkin/zipkin-gcp:0.15.2b5d51d1144e2
netty-codec-http2@4.1.43.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
apache/hadoop:3af361b20bec0
netty-codec-http2@4.1.89.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
quay.io/poundex/tekton-ci-environment-injector:0.2.46dd65f22949c
netty-codec-http2@4.2.15.Final
4.2.16.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
quay.io/poundex/tekton-stash-and-cache:0.2.2e854423caa09
netty-codec-http2@4.2.15.Final
4.2.16.Final

Open the chart page →

1,082
krokiteochenglim1.0.11 of 5See more

kroki teochenglim 1.0.1

1 of the 5 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
yuzutech/kroki:0.17.0192b7b27c857
netty-codec-http2@4.1.74.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
apache/shenyu-admin:2.4.2e8b7c4ddd069
netty-codec-http2@4.1.43.Final
4.1.136.Final
apache/shenyu-bootstrap:2.4.20bd3b25c4be4
netty-codec-http2@4.1.38.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
thingsboard/tb-coap-transport:3.4.1bd45a09d85d9
netty-codec-http2@4.1.75.Final
4.1.136.Final
thingsboard/tb-http-transport:3.4.1a06f53c5e2da
netty-codec-http2@4.1.75.Final
4.1.136.Final
thingsboard/tb-mqtt-transport:3.4.1030f316ce301
netty-codec-http2@4.1.75.Final
4.1.136.Final
thingsboard/tb-node:3.4.1645f43b688f7
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-kafkasql:2.1.0.Finala97d67487532
netty-codec-http2@4.1.49.Final
4.1.136.Final

Open the chart page →

12,455
opencloudunxwaresVerified publisher0.2.31 of 13See more

opencloud unxwares 0.2.3

1 of the 13 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http2@4.1.118.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
wazuh/wazuh-indexer:4.14.49c344d2b1757
netty-codec-http2@4.1.125.Final
4.1.136.Final

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5,484
webhookiewebhookie0.1.21 of 1See more

webhookie webhookie 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@4.1.73.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@4.1.73.Final
4.1.136.Final

Open the chart page →

28,605
hazelcastwenerme5.10.31See more

hazelcast wenerme 5.10.3

1 container image this version deploys carries CVE-2026-56819.

Container imageDigestPackageFixed in
hazelcast/hazelcast:5.5.05dd5d31c7a06
netty-codec-http2@4.1.111.Final
4.1.136.Final

Open the chart page →

—
elasticsearchwiremindVerified publisher8.19.01 of 1See more

elasticsearch wiremind 8.19.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
library/elasticsearch:8.19.1289729a95066a
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/wiremind/bitnami/keycloak:26.5.0-debian-12-r38622ea9e43c0
netty-codec-http2@4.1.128.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
metabase/metabase:v0.61.1.x9491ed11c901
netty-codec-http2@4.1.133.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-jpa:1.3.2.Final44eeddd3562c
netty-codec-http2@4.1.49.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch:1.13.32acfa1dcc5f8
netty-codec-http2@4.1.45.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.18.07f6fa1efee8f
netty-codec-http2@4.1.108.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
zahoriaut/zahori-process:0.1.13351f8a220ed7
netty-codec-http2@4.1.94.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
zahoriaut/zahori-server:0.1.17b2de13916f3e
netty-codec-http2@4.1.87.Final
4.1.136.Final

Open the chart page →

5,846
keycloakxzaks2.2.01 of 1See more

keycloakx zaks 2.2.0

1 of the 1 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:20.0.3b8f2a453a17a
netty-codec-http2@4.1.82.Final
4.1.136.Final

Open the chart page →

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-2026-56819.

Container imageDigestPackageFixed in
openzipkin/zipkin-slim:3.6.0a69e1057df36
netty-codec-http2@4.2.10.Final
4.2.16.Final

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1,159

Container images carrying it

450 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
quay.io/fiware/contract-management:3.3.122bcfcf874451
netty-codec-http2@4.1.115.Final
4.1.136.Final
1
quay.io/fiware/credentials-config-service:3.4.3f2fbced76da8
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
quay.io/fiware/endpoint-configuration-service:0.4.30dc38a87b844
netty-codec-http2@4.1.69.Final
4.1.136.Final
1
quay.io/fiware/tmforum-account:1.18.06b25aac03414
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-agreement:1.18.081e7025dc16d
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-customer-bill-management:1.18.0dee901f1f75d
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-customer-management:1.18.0d3519cebecd0
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-party-catalog:1.18.07d6969a7393a
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-party-role:1.18.052db89f17863
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-product-catalog:1.18.0e409338726da
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-product-inventory:1.18.03a5d6dd30f1d
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-product-ordering-management:1.18.042c81c291f6f
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-quote:1.18.0d9ca3a334352
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-resource-catalog:1.18.0b0d853627c59
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-resource-function-activation:1.18.062a5acb63fd1
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-resource-inventory:1.18.0553b4a47730b
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-resource-order-management:1.18.0dd1778ad6203
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-service-catalog:1.18.074b0fad9e155
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-service-inventory:1.18.04be54e8cb5c0
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-service-order-management:1.18.0d2091785d544
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-software-management:1.18.01b74a2f7ba67
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/tmforum-usage-management:1.18.042f190c42926
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
quay.io/fiware/trusted-issuers-list:0.9.13c886ce5c056
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
quay.io/fiware/trusted-issuers-registry:0.11.1a8a9ec461034
netty-codec-http2@4.1.100.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.009a381c715ab
netty-codec-http2@4.1.111.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.60aae0de7fca8
netty-codec-http2@4.1.135.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.0.74388e2379b7e
netty-codec-http2@4.1.111.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:24.0.34d6f22991266
netty-codec-http2@4.1.107.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:23.0.34f72a5b0c076
netty-codec-http2@4.1.100.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.3.36a7217a100bd
netty-codec-http2@4.1.124.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:20.0.18830f76112b6
netty-codec-http2@4.1.82.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.5.68d44614c7479
netty-codec-http2@4.1.130.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.49409c59bdfb6
netty-codec-http2@4.1.128.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.6.39b0330756022
netty-codec-http2@4.1.133.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:26.0.6a93d22e13b86
netty-codec-http2@4.1.111.Final
4.1.136.Final
1
quay.io/keycloak/keycloak:20.0.3b8f2a453a17a
netty-codec-http2@4.1.82.Final
4.1.136.Final
1
quay.io/keycloak/keycloak-operator:20.0.2b1710745fa64
netty-codec-http2@4.1.82.Final
4.1.136.Final
1
quay.io/maximilianopizarro/custom-rhcl-console:dns-prober-v0.1.21a592ee6651a
netty-codec-http2@4.1.132.Final
4.1.136.Final
1
quay.io/maximilianopizarro/neuralbank-backend:latesta53899fcfc01
netty-codec-http2@4.1.127.Final
4.1.136.Final
1
quay.io/maximilianopizarro/openshift-integration-operator:v0.8.2d6fc43ac802e
netty-codec-http2@4.1.133.Final
4.1.136.Final
1
quay.io/maximilianopizarro/showroom-docs-mcp:latest1a6eff92827a
netty-codec-http2@4.1.130.Final
4.1.136.Final
1
quay.io/microcks/microcks-operator:0.0.1196d1054d4a61
netty-codec-http2@4.1.128.Final
4.1.136.Final
1
quay.io/opsmxpublic/ubi8-gate:isd-spin-2025.10.01-5c720954-2025112608102b3554029737
netty-codec-http2@4.1.94.Final
4.1.136.Final
1
quay.io/opsmxpublic/ubi8-oes-autopilot:isd-spin-2025.10.01-af26a30d4-20251126105458bd0bcf72f9
netty-codec-http2@4.1.105.Final
4.1.136.Final
1
quay.io/poundex/tekton-ci-environment-injector:0.2.46dd65f22949c
netty-codec-http2@4.2.15.Final
4.2.16.Final
1
quay.io/poundex/tekton-stash-and-cache:0.2.2e854423caa09
netty-codec-http2@4.2.15.Final
4.2.16.Final
1
quay.io/seamware/consent-facade:0.0.14be844c750c7e
netty-codec-http2@4.1.115.Final
4.1.136.Final
1
quay.io/strimzi/operator:0.45.158c727cd2e68
netty-codec-http2@4.1.118.Final
4.1.136.Final
1
quay.io/strimzi/operator:0.36.1e9e03b31007c
netty-codec-http2@4.1.94.Final
4.1.136.Final
1
quay.io/wi_stefan/dss-validation-service:0.0.18e928db29ee1
netty-codec-http2@4.1.115.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.