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
389
of 17,781 indexed, latest versions
Container images
453
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 389 of 17,781 indexed charts deploy, on 453 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.Final453
OSV records
GHSA-93wv-jw9v-4972

Charts affected

389 by stars
ChartLatestAffected imagesRadar Score
shenyushenyu-helm-chart-test2.4.272 of 2See more

shenyu shenyu-helm-chart-test 2.4.27

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

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12,513
showroom-docs-mcpshowroom-docs-mcpVerified publisher2.1.01 of 4See more

showroom-docs-mcp showroom-docs-mcp 2.1.0

1 of the 4 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/maximilianopizarro/showroom-docs-mcp:latest1a6eff92827a
netty-codec-http2@4.1.130.Final
4.1.136.Final

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5,201
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

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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

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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

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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

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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-2026-56819.

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

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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-2026-56819.

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

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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-2026-56819.

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

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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

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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-2026-56819.

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

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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-2026-56819.

Container imageDigestPackageFixed in
apache/hadoop:3af361b20bec0
netty-codec-http2@4.1.89.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-2026-56819.

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

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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-2026-56819.

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

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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-2026-56819.

Container imageDigestPackageFixed in
yuzutech/kroki:0.17.0192b7b27c857
netty-codec-http2@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-2026-56819.

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

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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-2026-56819.

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

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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-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/openunison/openunison-k8s:1.0.509ad450220ab9
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http2@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-2026-56819.

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

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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-2026-56819.

Container imageDigestPackageFixed in
hookiesolutions/webhookie:latest0629694246ba
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
hazelcast/hazelcast:5.5.05dd5d31c7a06
netty-codec-http2@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-2026-56819.

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

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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-2026-56819.

Container imageDigestPackageFixed in
metabase/metabase:v0.61.1.x9491ed11c901
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
apicurio/apicurio-registry-jpa:1.3.2.Final44eeddd3562c
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch:1.13.32acfa1dcc5f8
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.18.07f6fa1efee8f
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
zahoriaut/zahori-process:0.1.13351f8a220ed7
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
zahoriaut/zahori-server:0.1.17b2de13916f3e
netty-codec-http2@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-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:20.0.3b8f2a453a17a
netty-codec-http2@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-2026-56819.

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

453 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/kafbat/kafka-ui:v1.5.07cda86a33344
netty-codec-http2@4.1.132.Final
4.1.136.Final
2
ghcr.io/salaboy/fmtok8s-frontend:v0.1.103fd01b4f56e
netty-codec-http2@4.1.77.Final
4.1.136.Final
2
quay.io/keycloak/keycloak:26.1.4044a457e0498
netty-codec-http2@4.1.118.Final
4.1.136.Final
2
quay.io/keycloak/keycloak:20.0054ef67eb7da
netty-codec-http2@4.1.86.Final
4.1.136.Final
2
quay.io/strimzi/drain-cleaner:1.6.15fb28e9f30d0
netty-codec-http2@4.1.135.Final
4.1.136.Final
2
quay.io/strimzi/operator:0.39.002f6f143fc6d
netty-codec-http2@4.1.100.Final
4.1.136.Final
2
quay.io/strimzi/operator:0.46.0ac434a48ac2b
netty-codec-http2@4.1.118.Final
4.1.136.Final
2
48n6e/camellia-redis-proxy:1.4.0-jdk-21-0.0.1a6ed886fddfc
netty-codec-http2@4.2.10.Final
4.2.16.Final
1
5200710/hadoop:3.2.3-java8092d3088a5fb
netty-codec-http2@4.1.77.Final
4.1.136.Final
1
adagber/planner:v1.0e5c1ed097752
netty-codec-http2@4.1.42.Final
4.1.136.Final
1
ahmetfurkandemir/iceberg-rest-fixture-postgresql:1.10.0142231a0b8b7
netty-codec-http2@4.1.124.Final
4.1.136.Final
1
airbyte/airbyte-api-server:0.63.8e1c5e7cfec8a
netty-codec-http2@4.1.110.Final
4.1.136.Final
1
airbyte/bootloader:2.2.0f71cf4e185d5
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
airbyte/connector-rollout-worker:2.0.2-alpha-c905e75d42813fcc191
netty-codec-http2@4.2.4.Final
4.2.16.Final
1
airbyte/cron:0.40.17caf4f551c546
netty-codec-http2@4.1.82.Final
4.1.136.Final
1
airbyte/cron:2.2.0d97b67a1346d
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
airbyte/server:2.2.070e125498a1c
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
airbyte/worker:2.2.08060b88b29c8
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
airbyte/workload-api-server:2.2.042093cff86e9
netty-codec-http2@4.2.9.Final
4.2.16.Final
1
aktosecurity/data-ingestion-service213aded7adc5
netty-codec-http2@4.1.101.Final
4.1.136.Final
1
aktosecurity/data-ingestion-service:1.4.946ed5bcb04b2
netty-codec-http2@4.1.101.Final
4.1.136.Final
1
amartinm82/planner:v2.01184353ff57b
netty-codec-http2@4.1.42.Final
4.1.136.Final
1
amazon/dynamodb-local:latestff89bd48ff32
netty-codec-http2@4.1.135.Final
4.1.136.Final
1
anguda/ant-media:2.5c435285fc241
netty-codec-http2@4.1.72.Final
4.1.136.Final
1
apache/bookkeeper:4.14.5a7d9970c148f
netty-codec-http2@4.1.72.Final
4.1.136.Final
1
apache/druid:29.0.10cef139b6bf1
netty-codec-http2@4.1.100.Final
4.1.136.Final
1
apache/gravitino-iceberg-rest:1.3.080136ae753ee
netty-codec-http2@4.2.13.Final
4.2.16.Final
1
apache/hadoop:3af361b20bec0
netty-codec-http2@4.1.89.Final
4.1.136.Final
1
apache/hertzbeat:1.8.075d48a62748f
netty-codec-http2@4.1.117.Final
4.1.136.Final
1
apache/hertzbeat-collector:1.8.0a2bab1be574c
netty-codec-http2@4.1.117.Final
4.1.136.Final
1
apache/iotdb:0.13.3-nodeafa47bf1692a
netty-codec-http2@4.1.59.Final
4.1.136.Final
1
apache/nifi-registry:1.14.0090b7f87ec7f
netty-codec-http2@4.1.33.Final
4.1.136.Final
1
apache/nifi-registry:1.27.063b8e3e40742
netty-codec-http2@4.1.111.Final
4.1.136.Final
1
apache/nifi-registry:0.8.0974efa2f21da
netty-codec-http2@4.1.33.Final
4.1.136.Final
1
apachepinot/pinot:latest-jdk110018bb04ced7
netty-codec-http2@4.1.74.Final
4.1.136.Final
1
apachepulsar/pulsar:3.1.016f9fdab3fa6
netty-codec-http2@4.1.94.Final
4.1.136.Final
1
apachepulsar/pulsar:2.10.03b262ab7a7d9
netty-codec-http2@4.1.74.Final
4.1.136.Final
1
apachepulsar/pulsar:2.6.14db6ff0b4045
netty-codec-http2@4.1.48.Final
4.1.136.Final
1
apachepulsar/pulsar:3.0.79c9947de139d
netty-codec-http2@4.1.113.Final
4.1.136.Final
1
apachepulsar/pulsar:2.9.0d056c89b7131
netty-codec-http2@4.1.68.Final
4.1.136.Final
1
apachepulsar/pulsar:2.8.2d538416d5afe
netty-codec-http2@4.1.51.Final
4.1.136.Final
1
apache/ranger:2.7.076c176e8a0e4
netty-codec-http2@4.1.100.Final
4.1.136.Final
1
apache/rocketmq-exporter:0.0.2c8fb51195444
netty-codec-http2@4.1.91.Final
4.1.136.Final
1
apache/shenyu-admin:2.5.1e2be712fc4f4
netty-codec-http2@4.1.38.Final
4.1.136.Final
1
apache/shenyu-bootstrap:2.5.11bd5756f6273
netty-codec-http2@4.1.38.Final
4.1.136.Final
1
apache/skywalking-oap-server:9.2.0133d35d2c263
netty-codec-http2@4.1.77.Final
4.1.136.Final
1
apache/skywalking-oap-server:8.1.0-es7641237e0299b
netty-codec-http2@4.1.42.Final
4.1.136.Final
1
apache/skywalking-oap-server:8.9.1b4ec8c18d079
netty-codec-http2@4.1.68.Final
4.1.136.Final
1
apache/skywalking-ui:9.2.0295f1dc87d98
netty-codec-http2@4.1.77.Final
4.1.136.Final
1
apache/skywalking-ui:8.9.180530f0308a5
netty-codec-http2@4.1.63.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.