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
metabasepmint932.27.61 of 1See more

metabase pmint93 2.27.6

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
kafka-uikafka-uiVerified publisher1.6.51 of 1See more

kafka-ui kafka-ui 1.6.5

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

Container imageDigestPackageFixed in
ghcr.io/kafbat/kafka-ui:v1.5.07cda86a33344
netty-codec-http2@4.1.132.Final
4.1.136.Final

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729
trinotrino1.42.21 of 1See more

trino trino 1.42.2

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

Container imageDigestPackageFixed in
trinodb/trino:4801565e8cac299
netty-codec-http2@4.2.10.Final
4.2.16.Final

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1,309
graylogkong-zVerified publisher3.0.321 of 5See more

graylog kong-z 3.0.32

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

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.19.68690b204fe91
netty-codec-http2@4.1.135.Final
4.1.136.Final

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2,699
milvusmilvus4.0.311 of 5See more

milvus milvus 4.0.31

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

Container imageDigestPackageFixed in
apachepulsar/pulsar:2.8.2d538416d5afe
netty-codec-http2@4.1.51.Final
4.1.136.Final

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32,259
penpotpenpotOfficialVerified publisher1.9.01 of 4See more

penpot penpot 1.9.0

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

Container imageDigestPackageFixed in
penpotapp/backend:2.17.2770b55f6e51b
netty-codec-http2@4.1.135.Final
4.1.136.Final

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4,314
akhqakhq0.28.01 of 1See more

akhq akhq 0.28.0

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

Container imageDigestPackageFixed in
tchiotludo/akhq:0.28.0c2824dc2ae44
netty-codec-http2@4.2.13.Final
4.2.16.Final

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1,548
wazuhwazuh-helm-morgovedVerified publisher2.0.71 of 5See more

wazuh wazuh-helm-morgoved 2.0.7

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

Container imageDigestPackageFixed in
wazuh/wazuh-indexer:4.14.3b149b30da686
netty-codec-http2@4.1.125.Final
4.1.136.Final

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11,384
prometheus-cloudwatch-exporterprometheus-communityVerified publisher0.28.21 of 1See more

prometheus-cloudwatch-exporter prometheus-community 0.28.2

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

Container imageDigestPackageFixed in
prom/cloudwatch-exporter:v0.16.071c2e988af06
netty-codec-http2@4.1.112.Final
4.1.136.Final

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3,382
milvusmilvus-helm5.0.271 of 4See more

milvus milvus-helm 5.0.27

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

Container imageDigestPackageFixed in
apachepulsar/pulsar:3.0.79c9947de139d
netty-codec-http2@4.1.113.Final
4.1.136.Final

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10,670
rocketmqrocketmq12.6.02 of 2See more

rocketmq rocketmq 12.6.0

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

Container imageDigestPackageFixed in
apache/rocketmq:5.4.0319cd8a81ed1
netty-codec-http2@4.1.119.Final
4.1.136.Final
apacherocketmq/rocketmq-dashboard:2.1.0ce78506bd6fe
netty-codec-http2@4.1.114.Final
4.1.136.Final

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6,328
apicurio-registryapicurio-registry-helmVerified publisher3.8.02 of 2See more

apicurio-registry apicurio-registry-helm 3.8.0

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

Container imageDigestPackageFixed in
quay.io/apicurio/apicurio-registry-kube-sync:1.0.170ef31840269
netty-codec-http2@4.1.68.Final
4.1.136.Final
quay.io/apicurio/apicurio-registry-mem:2.5.8.Final3b036692d546
netty-codec-http2@4.1.100.Final
4.1.136.Final

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6,675
zipkincarlosjgp0.2.01 of 2See more

zipkin carlosjgp 0.2.0

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

Container imageDigestPackageFixed in
openzipkin/zipkin:2.21.060c3970df479
netty-codec-http2@4.1.48.Final
4.1.136.Final

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3,229
apim3graviteeioVerified publisher4.12.192 of 4See more

apim3 graviteeio 4.12.19

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

Container imageDigestPackageFixed in
graviteeio/apim-gateway:4.12.19-debian05fd67a93056
netty-codec-http2@4.2.15.Final
4.2.16.Final
graviteeio/apim-management-api:4.12.19-debian27374522cd04
netty-codec-http2@4.2.15.Final
4.2.16.Final

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4,806
druiddruid-helmVerified publisher37.0.21 of 3See more

druid druid-helm 37.0.2

1 of the 3 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
apache/druid:37.0.00116fb802786
netty-codec-http2@4.2.12.Final
4.2.16.Final

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3,812
hivemq-operatorhivemqOfficialVerified publisher0.11.621 of 2See more

hivemq-operator hivemq 0.11.62

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

Container imageDigestPackageFixed in
hivemq/hivemq-operator:4.7.10241d6a8e1963
netty-codec-http2@4.1.77.Final
4.1.136.Final

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7,857
keycloakkubelauncherVerified publisher0.4.41 of 1See more

keycloak kubelauncher 0.4.4

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

Container imageDigestPackageFixed in
ghcr.io/kubelauncher/keycloakdigest-pinnedafe3bd73d7cf
netty-codec-http2@4.1.135.Final
4.1.136.Final

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1,251
spring-petclinic-cloudplatform9-communityVerified publisher0.2.02 of 6See more

spring-petclinic-cloud platform9-community 0.2.0

2 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
platform9community/admin-server:latestde3fa9b70df1
netty-codec-http2@4.1.50.Final
4.1.136.Final
platform9community/api-gateway:latest40a4970de568
netty-codec-http2@4.1.50.Final
4.1.136.Final

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41,872
elasticsearch-clusterwiremindVerified publisher4.5.21 of 2See more

elasticsearch-cluster wiremind 4.5.2

1 of the 2 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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2,283
hadoopbigdata-chartsVerified publisher1.0.11 of 2See more

hadoop bigdata-charts 1.0.1

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

Container imageDigestPackageFixed in
5200710/hadoop:3.2.3-java8092d3088a5fb
netty-codec-http2@4.1.77.Final
4.1.136.Final

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12,111
thehivestrangebee-helmOfficialVerified publisher1.0.61 of 7See more

thehive strangebee-helm 1.0.6

1 of the 7 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
bitnamilegacy/elasticsearch:9.1.2-debian-12-r000176a47afa0
netty-codec-http2@4.1.118.Final
4.1.136.Final

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16,210
wazuhwazuh-helmVerified publisher0.0.81 of 4See more

wazuh wazuh-helm 0.0.8

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

Container imageDigestPackageFixed in
wazuh/wazuh-indexer:4.11.1a7a2076b167e
netty-codec-http2@4.1.111.Final
4.1.136.Final

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6,168
druidwiremindVerified publisher1.22.11 of 3See more

druid wiremind 1.22.1

1 of the 3 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
apache/druid:29.0.10cef139b6bf1
netty-codec-http2@4.1.100.Final
4.1.136.Final

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7,930
zipkinygqygq2Verified publisher2.1.41 of 4See more

zipkin ygqygq2 2.1.4

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

Container imageDigestPackageFixed in
openzipkin/zipkin:2.24197a9692f6a9
netty-codec-http2@4.1.100.Final
4.1.136.Final

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2,764
seafiledatamateVerified publisher0.6.01 of 6See more

seafile datamate 0.6.0

1 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
bitnamilegacy/elasticsearch:8.12.1-debian-11-r29cfd2df1294d
netty-codec-http2@4.1.94.Final
4.1.136.Final

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27,267
openhabhelmforgeVerified publisher1.2.01 of 1See more

openhab helmforge 1.2.0

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

Container imageDigestPackageFixed in
openhab/openhab:5.2.1bfd4a60e90da
netty-codec-http2@4.1.133.Final
4.1.136.Final

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3,641
hertzbeathertzbeatOfficialVerified publisher1.8.12 of 4See more

hertzbeat hertzbeat 1.8.1

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

Container imageDigestPackageFixed in
apache/hertzbeat:1.8.075d48a62748f
netty-codec-http2@4.1.117.Final
4.1.136.Final
apache/hertzbeat-collector:1.8.0a2bab1be574c
netty-codec-http2@4.1.117.Final
4.1.136.Final

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14,000
infrahubinfrahubVerified publisher4.33.21 of 5See more

infrahub infrahub 4.33.2

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

Container imageDigestPackageFixed in
library/neo4j:2026.05.06c162e2432f8
netty-codec-http2@4.2.14.Final
4.2.16.Final

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10,428
keycloak-operatorkeycloak-operatorVerified publisher0.0.41 of 1See more

keycloak-operator keycloak-operator 0.0.4

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

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak-operator:20.0.2b1710745fa64
netty-codec-http2@4.1.82.Final
4.1.136.Final

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4,652
kubernetes-loggingkubernetes-logging4.8.01 of 6See more

kubernetes-logging kubernetes-logging 4.8.0

1 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.10.0c8f3ebd2a934
netty-codec-http2@4.1.97.Final
4.1.136.Final

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10,530
musicocielmusicocielVerified publisher0.0.01 of 3See more

musicociel musicociel 0.0.0

1 of the 3 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/keycloak/keycloak:23.0.34f72a5b0c076
netty-codec-http2@4.1.100.Final
4.1.136.Final

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4,406
flinkriskfocus0.2.01 of 1See more

flink riskfocus 0.2.0

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

Container imageDigestPackageFixed in
library/flink:1.11.2-scala_2.121fe4fb22a2a5
netty-codec-http2@4.1.34.Final
4.1.136.Final

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3,235
reposilitevolker-raschekVerified publisher1.0.01 of 1See more

reposilite volker-raschek 1.0.0

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

Container imageDigestPackageFixed in
dzikoysk/reposilite:3.5.264128c2d7a6ba
netty-codec-http2@4.1.126.Final
4.1.136.Final

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2,957
geoservercloudcamptocamp23.0.17 of 7See more

geoservercloud camptocamp2 3.0.1

7 of the 7 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
geoservercloud/geoserver-cloud-gateway:3.0.1.1de0b20bd2a43
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-gwc:3.0.1.1b04ed89b5d2b
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-rest:3.0.1.1318254b52f96
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-wcs:3.0.1.14f077124f591
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-webui:3.0.1.14f91e3048ac8
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-wfs:3.0.1.1299f0d6232d1
netty-codec-http2@4.2.15.Final
4.2.16.Final
geoservercloud/geoserver-cloud-wms:3.0.1.15164f687ce4d
netty-codec-http2@4.2.15.Final
4.2.16.Final

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10,546
opensearchcaptnbpVerified publisher3.1.11 of 2See more

opensearch captnbp 3.1.1

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

Container imageDigestPackageFixed in
opensearchproject/opensearch:2.19.269588c664014
netty-codec-http2@4.1.118.Final
4.1.136.Final

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998
thingsboardcetic0.1.21 of 2See more

thingsboard cetic 0.1.2

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

Container imageDigestPackageFixed in
thingsboard/tb-postgres:latest2d17e4e36edc
netty-codec-http2@4.1.128.Final
4.1.136.Final

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5,235
cosmocosmo-platformOfficialVerified publisher0.20.01 of 10See more

cosmo cosmo-platform 0.20.0

1 of the 10 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
ghcr.io/wundergraph/cosmo/keycloak:0.13.0b37408461b9b
netty-codec-http2@4.1.130.Final
4.1.136.Final

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28,839
cosmotech-apicosmotech-apiVerified publisher5.2.01 of 1See more

cosmotech-api cosmotech-api 5.2.0

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

Container imageDigestPackageFixed in
ghcr.io/cosmo-tech/cosmotech-api:5.2.0269ee25c359b
netty-codec-http2@4.2.15.Final
4.2.16.Final

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206
flyte-binaryflyte2.0.481 of 4See more

flyte-binary flyte 2.0.48

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

Container imageDigestPackageFixed in
ghcr.io/flyteorg/flyte-connectors:py3.12-v2.3.6896fc7b18b1b
netty-codec-http2@4.2.7.Final
4.2.16.Final

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4,641
aegraviteeioVerified publisher3.0.21 of 1See more

ae graviteeio 3.0.2

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

Container imageDigestPackageFixed in
graviteeio/ae-engine:3.0.24140932887e0
netty-codec-http2@4.1.124.Final
4.1.136.Final

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1,380
apimgraviteeioVerified publisher4.12.192 of 4See more

apim graviteeio 4.12.19

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

Container imageDigestPackageFixed in
graviteeio/apim-gateway:4.12.19-debian05fd67a93056
netty-codec-http2@4.2.15.Final
4.2.16.Final
graviteeio/apim-management-api:4.12.19-debian27374522cd04
netty-codec-http2@4.2.15.Final
4.2.16.Final

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4,806
hazelcasthazelcastVerified publisher5.10.21 of 2See more

hazelcast hazelcast 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
infrahub-enterpriseinfrahub-enterpriseVerified publisher4.19.21 of 5See more

infrahub-enterprise infrahub-enterprise 4.19.2

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

Container imageDigestPackageFixed in
library/neo4j:2026.05.0-enterprise2caf944aa4a5
netty-codec-http2@4.2.14.Final
4.2.16.Final

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10,530
skywalkingkubesphere-testVerified publisher3.1.01 of 4See more

skywalking kubesphere-test 3.1.0

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

Container imageDigestPackageFixed in
apache/skywalking-oap-server:8.1.0-es7641237e0299b
netty-codec-http2@4.1.42.Final
4.1.136.Final

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18,042
oesopsmxVerified publisher4.0.322 of 25See more

oes opsmx 4.0.32

2 of the 25 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
quay.io/opsmxpublic/ubi8-gate:isd-spin-2025.10.01-5c720954-2025112608102b3554029737
netty-codec-http2@4.1.94.Final
4.1.136.Final
quay.io/opsmxpublic/ubi8-oes-autopilot:isd-spin-2025.10.01-af26a30d4-20251126105458bd0bcf72f9
netty-codec-http2@4.1.105.Final
4.1.136.Final

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107,811
repoflowrepoflow-helm-public0.9.11 of 8See more

repoflow repoflow-helm-public 0.9.1

1 of the 8 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
library/elasticsearch:8.15.0310b9fc03b06
netty-codec-http2@4.1.109.Final
4.1.136.Final

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13,521
rocketmq-clusterrocketmq12.6.02 of 2See more

rocketmq-cluster rocketmq 12.6.0

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

Container imageDigestPackageFixed in
apache/rocketmq:5.4.0319cd8a81ed1
netty-codec-http2@4.1.119.Final
4.1.136.Final
apacherocketmq/rocketmq-dashboard:2.1.0ce78506bd6fe
netty-codec-http2@4.1.114.Final
4.1.136.Final

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6,328
thingsboard-clusterthingsboard-cluster-bettaVerified publisher0.2.261 of 6See more

thingsboard-cluster thingsboard-cluster-betta 0.2.26

1 of the 6 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
thingsboard/tb-node:3.6.0f40a542832c4
netty-codec-http2@4.1.91.Final
4.1.136.Final

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14,566
feedbacksystemthm-mni-iiVerified publisher0.47.12 of 10See more

feedbacksystem thm-mni-ii 0.47.1

2 of the 10 container images this version deploys carry CVE-2026-56819.

Container imageDigestPackageFixed in
thmmniii/fbs-core:v1.27.15438517d9fc2
netty-codec-http2@4.1.92.Final
4.1.136.Final
thmmniii/fbs-runner:v1.27.186105349c1a3
netty-codec-http2@4.1.49.Final
4.1.136.Final

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28,534
structurizrvirtualrootVerified publisher0.5.01 of 1See more

structurizr virtualroot 0.5.0

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

Container imageDigestPackageFixed in
structurizr/onpremises:2025.11.094b5ffb5119c8
netty-codec-http2@4.1.118.Final
4.1.136.Final

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4,378

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
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.