StackRadar

CVE-2026-84303

Medium

Advisory

Published 1 Sept 2026In the index since 6 Sept 2026
Severity
Medium
worst across findings
CVSS
6.3
base score, highest
EPSS
0.003
24th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
2,275
of 17,813 indexed, latest versions
Container images
2,703
deployed by those charts
Fix available
1 of 2
affected packages

gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion

Carried by container images the latest versions of 2,275 of 17,813 indexed charts deploy, on 2,703 images.

Affected packageAffected versionsFixed inImages
google.golang.org/grpcgolangv0.0.0-20160317175043-d3ddb4469d5a, v0.0.0-20170216003643-d0c32ee6a441, v1.10.0, v1.14.0+115 more1.83.12,700
grpcdeb1.16.1-1ubuntu5, 1.51.1-4.1build5no fix listed3
OSV records
GHSA-qc2q-p7wx-3px3UBUNTU-CVE-2026-84303
Also known as
GO-2026-6441

Charts affected

2,275 by stars
ChartLatestAffected imagesRadar Score
victoria-metrics-k8s-stackwenerme0.92.13 of 7See more

victoria-metrics-k8s-stack wenerme 0.92.1

3 of the 7 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:13.1.17cb8c64c4d57
google.golang.org/grpc@v1.81.1
1.83.1
victoriametrics/operator:v0.74.17310c4a80b94
google.golang.org/grpc@v1.82.1
1.83.1
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.19.185108987d044
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

1,954
victoria-metrics-operatorwenerme0.67.31 of 1See more

victoria-metrics-operator wenerme 0.67.3

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
victoriametrics/operator:v0.74.17310c4a80b94
google.golang.org/grpc@v1.82.1
1.83.1

Open the chart page →

125
wexa-studiowexa-studio1.2.05 of 15See more

wexa-studio wexa-studio 1.2.0

5 of the 15 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
hashicorp/vault:1.15.40b01ed3924e6
google.golang.org/grpc@v1.58.3
1.83.1
minio/minio:RELEASE.2024-01-16T16-07-38Z4c4a4876193f
google.golang.org/grpc@v1.60.1
1.83.1
temporalio/admin-tools:1.29.1-tctl-1.18.4-cli-1.5.0a3a52e6ca122
google.golang.org/grpc@v1.56.3
1.83.1
temporalio/server:1.29.1c1e3326b2ce1
google.golang.org/grpc@v1.72.2
1.83.1
temporalio/ui:2.44.00b36e00aad30
google.golang.org/grpc@v1.66.1
1.83.1

Open the chart page →

15,387
ceph-csi-cephfswikimedia0.1.85 of 5See more

ceph-csi-cephfs wikimedia 0.1.8

5 of the 5 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
gcr.io/k8s-staging-sig-storage/csi-provisioner:v3.2.14ad5fcdbe7e9
google.golang.org/grpc@v1.45.0
1.83.1
quay.io/cephcsi/cephcsi:v3.7.2f7f8228f17cc
google.golang.org/grpc@v1.48.0
1.83.1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.5.10103eee7c35e
google.golang.org/grpc@v1.40.0
1.83.1
registry.k8s.io/sig-storage/csi-resizer:v1.5.08f7520bd957e
google.golang.org/grpc@v1.40.0
1.83.1
registry.k8s.io/sig-storage/csi-snapshotter:v6.0.1ad16874e2140
google.golang.org/grpc@v1.40.0
1.83.1

Open the chart page →

10,334
ceph-csi-rbdwikimedia0.1.136 of 6See more

ceph-csi-rbd wikimedia 0.1.13

6 of the 6 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
gcr.io/k8s-staging-sig-storage/csi-provisioner:v3.2.14ad5fcdbe7e9
google.golang.org/grpc@v1.45.0
1.83.1
quay.io/cephcsi/cephcsi:v3.7.2f7f8228f17cc
google.golang.org/grpc@v1.48.0
1.83.1
registry.k8s.io/sig-storage/csi-attacher:v3.5.0dd245051317e
google.golang.org/grpc@v1.40.0
1.83.1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.5.10103eee7c35e
google.golang.org/grpc@v1.40.0
1.83.1
registry.k8s.io/sig-storage/csi-resizer:v1.5.08f7520bd957e
google.golang.org/grpc@v1.40.0
1.83.1
registry.k8s.io/sig-storage/csi-snapshotter:v6.0.1ad16874e2140
google.golang.org/grpc@v1.40.0
1.83.1

Open the chart page →

11,840
jaegerwikimedia3.1.23 of 4See more

jaeger wikimedia 3.1.2

3 of the 4 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
jaegertracing/jaeger-agent:1.53.00214a0ef24b1
google.golang.org/grpc@v1.60.0
1.83.1
jaegertracing/jaeger-collector:1.53.07f1269222903
google.golang.org/grpc@v1.60.0
1.83.1
jaegertracing/jaeger-query:1.53.0049bb0d64ea3
google.golang.org/grpc@v1.60.0
1.83.1

Open the chart page →

9,365
opentelemetry-collectorwikimedia0.62.71 of 1See more

opentelemetry-collector wikimedia 0.62.7

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
otel/opentelemetry-collector-contrib:0.81.0c6671841470b
google.golang.org/grpc@v1.56.1
1.83.1

Open the chart page →

2,035
wireguardwireguard-bananas1.5.01 of 1See more

wireguard wireguard-bananas 1.5.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
place1/wg-access-server:v0.4.62b2f3ea80ed6
google.golang.org/grpc@v1.30.0
1.83.1

Open the chart page →

2,753
csi-driver-host-pathwiremindVerified publisher0.1.18 of 8See more

csi-driver-host-path wiremind 0.1.1

8 of the 8 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/csi-attacher:v4.0.09a685020911e
google.golang.org/grpc@v1.47.0
1.83.1
registry.k8s.io/sig-storage/csi-external-health-monitor-controller:v0.7.080b9ba94aa2a
google.golang.org/grpc@v1.48.0
1.83.1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.6.0f1c25991bac2
google.golang.org/grpc@v1.50.1
1.83.1
registry.k8s.io/sig-storage/csi-provisioner:v3.3.0ee3b525d5b89
google.golang.org/grpc@v1.49.0
1.83.1
registry.k8s.io/sig-storage/csi-resizer:v1.6.0425d8f1b7693
google.golang.org/grpc@v1.47.0
1.83.1
registry.k8s.io/sig-storage/csi-snapshotter:v6.1.0291334908ddf
google.golang.org/grpc@v1.47.0
1.83.1
registry.k8s.io/sig-storage/hostpathplugin:v1.9.092257881c1d6
google.golang.org/grpc@v1.34.0
1.83.1
registry.k8s.io/sig-storage/livenessprobe:v2.8.0cacee2b5c36d
google.golang.org/grpc@v1.48.0
1.83.1

Open the chart page →

12,666
orcwiremindVerified publisher0.3.01 of 1See more

orc wiremind 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
quay.io/orc/openstack-resource-controller:v2.5.079f22af49612
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

277
registrywiremindVerified publisher0.1.11 of 1See more

registry wiremind 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/distribution/distribution:3.0.04ba3adf47f5c
google.golang.org/grpc@v1.68.0
1.83.1

Open the chart page →

1,358
kafka-connect-uiwitcom-gmbh0.5.01 of 2See more

kafka-connect-ui witcom-gmbh 0.5.0

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
quay.io/oauth2-proxy/oauth2-proxy:v7.3.08c21390be87d
google.golang.org/grpc@v1.27.0
1.83.1

Open the chart page →

2,513
mrtg-backendwitcom-gmbh0.7.01 of 2See more

mrtg-backend witcom-gmbh 0.7.0

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
quay.io/oauth2-proxy/oauth2-proxy:v7.2.1febeebebe762
google.golang.org/grpc@v1.27.0
1.83.1

Open the chart page →

2,624
xboardxboard0.2.01 of 1See more

xboard xboard 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/cedar2025/xboard:latest896e4926e0d7
google.golang.org/grpc@v1.81.0
1.83.1

Open the chart page →

1,060
xkopsxkops0.1.01 of 5See more

xkops xkops 0.1.0

1 of the 5 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
murtazashah46/helmfile:latest4d11726cf803
google.golang.org/grpc@v1.49.0
1.83.1

Open the chart page →

13,895
xonodepoolsxonodepoolsOfficialVerified publisher1.0.71 of 1See more

xonodepools xonodepools 1.0.7

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
xosphere/xonodepools:1.0.71458097b6f85
google.golang.org/grpc@v1.72.2
1.83.1

Open the chart page →

402
atlas-operatorxxl-job-adminVerified publisher0.7.111 of 1See more

atlas-operator xxl-job-admin 0.7.11

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
arigaio/atlas-operator:0.7.111c4caa13c92b
google.golang.org/grpc@v1.73.0
1.83.1

Open the chart page →

1,197
fleet-managementxxl-job-adminVerified publisher1.0.01 of 1See more

fleet-management xxl-job-admin 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/dellnoantechnp/alloy-remote-config/fleet-management:master4371b566d238
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

238
kadalu-operatorxxl-job-adminVerified publisher1.2.41 of 4See more

kadalu-operator xxl-job-admin 1.2.4

1 of the 4 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
raspbernetes/csi-node-driver-registrar:2.0.1a552705225fd
google.golang.org/grpc@v1.27.0
1.83.1

Open the chart page →

4,926
nightingalexxl-job-adminVerified publisher0.2.112 of 6See more

nightingale xxl-job-admin 0.2.11

2 of the 6 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
flashcatcloud/categraf:latest42e6ab16472e
google.golang.org/grpc@v1.82.1
1.83.1
quay.io/prometheus/prometheus:v2.54.1f6639335d34a
google.golang.org/grpc@v1.65.0
1.83.1

Open the chart page →

9,730
ygdrassil-monitoringygdrassilVerified publisher0.4.02 of 10See more

ygdrassil-monitoring ygdrassil 0.4.0

2 of the 10 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:11.5.15781759b3d27
google.golang.org/grpc@v1.69.2
1.83.1
quay.io/prometheus/prometheus:v3.1.06559acbd5d77
google.golang.org/grpc@v1.69.0
1.83.1

Open the chart page →

9,518
matrixdb-operatorymatrixOfficialVerified publisher0.13.01 of 2See more

matrixdb-operator ymatrix 0.13.0

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
matrixdb/kubebuilder_kube-rbac-proxy:v0.12.0ed3c7e6291e8
google.golang.org/grpc@v1.40.0
1.83.1

Open the chart page →

1,966
rawfile-csiymatrixVerified publisher0.2.14 of 4See more

rawfile-csi ymatrix 0.2.1

4 of the 4 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
matrixdb/custom-external-provisioner:4622a07d7-202204247e9ffe249a51
google.golang.org/grpc@v1.40.0
1.83.1
matrixdb/rawfile-csi:v0.2.195b2e38e913d
google.golang.org/grpc@v1.45.0
1.83.1
matrixdb/sig-storage_csi-node-driver-registrar:v2.2.0ba763bb01ddc
google.golang.org/grpc@v1.36.0
1.83.1
matrixdb/sig-storage_livenessprobe:v2.3.07ab06fe3d8a7
google.golang.org/grpc@v1.36.0
1.83.1

Open the chart page →

8,002
prometheus-monitoring-stackyotron-helm-charts1.2.03 of 3See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

3 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:latestf772d434e8fa
google.golang.org/grpc@v1.81.1
1.83.1
quay.io/prometheus/alertmanager:latest690c7b525f43
google.golang.org/grpc@v1.82.1
1.83.1
quay.io/prometheus/prometheus:latest5ce7540c3c00
google.golang.org/grpc@v1.82.1
1.83.1

Open the chart page →

936
zahori-consulzahoriVerified publisher1.0.12 of 2See more

zahori-consul zahori 1.0.1

2 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
hashicorp/consul:1.15.3ddff34041c5c
google.golang.org/grpc@v1.49.0
1.83.1
hashicorp/consul-k8s-control-plane:1.1.262bed1bf8106
google.golang.org/grpc@v1.49.0
1.83.1

Open the chart page →

5,077

Container images carrying it

2,703 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
quay.io/solo-io/gloo:0.0.0-fork9a6c84560d44
google.golang.org/grpc@v1.40.0
1.83.1
1
quay.io/solo-io/gloo-envoy-wrapper:0.0.0-fork26ae185e835a
google.golang.org/grpc@v1.40.0
1.83.1
1
quay.io/stackrox-io/stackrox-operator:4.11.4dfb3f2ce9f6b
google.golang.org/grpc@v1.82.1
1.83.1
1
quay.io/thanos/thanos:v0.40.1aae7b2b030ed
google.golang.org/grpc@v1.73.0
1.83.1
1
quay.io/thanos/thanos:v0.17.1e362f02ed304
google.golang.org/grpc@v1.29.1
1.83.1
1
quay.io/thanos/thanos:v0.36.1e542959e1b36
google.golang.org/grpc@v1.63.2
1.83.1
1
quay.io/uswitch/kiam:v4.0be3a5846922d
google.golang.org/grpc@v1.34.0
1.83.1
1
quay.io/zncdatadev/airflow-operator:0.4.0b716ef483b75
google.golang.org/grpc@v1.72.2
1.83.1
1
quay.io/zncdatadev/commons-operator:0.4.01a353def9fe1
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/dolphinscheduler-operator:0.4.0d0a4e55eeb7f
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/hbase-operator:0.4.069e9a1b0daf8
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/hdfs-operator:0.4.0eb3c2928250e
google.golang.org/grpc@v1.72.2
1.83.1
1
quay.io/zncdatadev/hive-operator:0.4.0d66ba9149c22
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/kafka-operator:0.4.00a0b4c39c1ba
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/listener-csi-driver:0.4.0b69bed123b02
google.golang.org/grpc@v1.81.0
1.83.1
1
quay.io/zncdatadev/listener-operator:0.4.068b92dae8d75
google.golang.org/grpc@v1.81.0
1.83.1
1
quay.io/zncdatadev/nifi-operator:0.4.0bb4e26ff5e2f
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/secret-csi-driver:0.4.0604a7d98ab58
google.golang.org/grpc@v1.78.0
1.83.1
1
quay.io/zncdatadev/spark-k8s-operator:0.4.0d3f2b10c4a6d
google.golang.org/grpc@v1.72.2
1.83.1
1
quay.io/zncdatadev/superset-operator:0.4.0102e66e32218
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/trino-operator:0.4.04f516757aee3
google.golang.org/grpc@v1.79.3
1.83.1
1
quay.io/zncdatadev/zookeeper-operator:0.4.0b4f33d89ac45
google.golang.org/grpc@v1.79.3
1.83.1
1
registry.gitlab.com/arm-research/smarter/smarter-device-manager:v1.20.11826b984e75d4
google.golang.org/grpc@v1.49.0
1.83.1
1
registry.gitlab.com/arm-research/smarter/smarter-device-manager:v1.20.7864fc338571e
google.golang.org/grpc@v1.37.1
1.83.1
1
registry.gitlab.com/bitspur/rock8s/images/kube-commands:3.1880ef8ceffc92
google.golang.org/grpc@v1.54.0
1.83.1
1
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-backend:1.0.31c7afac3446d6
google.golang.org/grpc@v1.79.1
1.83.1
1
registry.gitlab.com/enbuild-staging/vivsoft-platform-ui/enbuild-mq-consumer:1.0.310e3cd8c7776d
google.golang.org/grpc@v1.79.1
1.83.1
1
registry.gitlab.com/gitlab-org/build/cng/gitlab-openbao:v2.5.5-gitlab25b7636dfba3f
google.golang.org/grpc@v1.80.0
1.83.1
1
registry.gitlab.com/gitlab-org/cloud-native/gitlab-operator:0.5.136b19b72120e
google.golang.org/grpc@v1.41.0
1.83.1
1
registry.gitlab.com/gitlab-org/gitlab-runner:alpine-v19.3.25448611a3c54
google.golang.org/grpc@v1.83.0
1.83.1
1
registry.gitlab.com/lenitech/k8s-operator/keycloak-client:v0.6.19065cdd80035
google.golang.org/grpc@v1.68.1
1.83.1
1
registry.gitlab.com/parrotsec/project/parrot-mirror-docker:mainf91b602ca572
google.golang.org/grpc@v1.56.2
1.83.1
1
registry.gitlab.com/shortlink-org/shortlink/bff:latestf2194e526915
google.golang.org/grpc@v1.78.0
1.83.1
1
registry.gitlab.com/shortlink-org/shortlink/link:latest86d87291ffd4
google.golang.org/grpc@v1.78.0
1.83.1
1
registry.gitlab.com/xrow-public/ci-tools/tools:main9b9d1ed86b6a
google.golang.org/grpc@v1.82.1
1.83.1
1
registry.gitlab.com/xrow-public/developer-operator/developer-operator-controller:2.1.2301847adfe16
google.golang.org/grpc@v1.73.0
1.83.1
1
registry.gitlab.com/xrow-public/velero-client/velero-client:1.4.203015f863a3e
google.golang.org/grpc@v1.81.1
1.83.1
1
registry.k8s.io/agent-sandbox/agent-sandbox-controller:v0.5.4be477ba317d8
google.golang.org/grpc@v1.82.1
1.83.1
1
registry.k8s.io/agent-sandbox/agent-sandbox-controller:v0.5.6dc23fb0d5624
google.golang.org/grpc@v1.83.0
1.83.1
1
registry.k8s.io/autoscaling/cluster-autoscaler:v1.33.06ef10d108e0e
google.golang.org/grpc@v1.68.1
1.83.1
1
registry.k8s.io/autoscaling/cluster-autoscaler:v1.34.07b172f42533c
google.golang.org/grpc@v1.72.1
1.83.1
1
registry.k8s.io/capi-operator/cluster-api-operator:v0.29.0465e72f8b06a
google.golang.org/grpc@v1.82.1
1.83.1
1
registry.k8s.io/cloud-pv-vsphere/cloud-provider-vsphere:v1.28.0026f63d9ed42
google.golang.org/grpc@v1.54.0
1.83.1
1
registry.k8s.io/cloud-pv-vsphere/cloud-provider-vsphere:v1.32.0f9f4dfd733ab
google.golang.org/grpc@v1.65.0
1.83.1
1
registry.k8s.io/coredns/coredns:v1.13.294caebb89dcf
google.golang.org/grpc@v1.77.0
1.83.1
1
registry.k8s.io/csi-vsphere/driver:v3.5.04bb8350a5a62
google.golang.org/grpc@v1.68.1
1.83.1
1
registry.k8s.io/csi-vsphere/driver:v3.4.0f5349a8ae3f3
google.golang.org/grpc@v1.67.1
1.83.1
1
registry.k8s.io/csi-vsphere/syncer:v3.4.0179ebf195595
google.golang.org/grpc@v1.67.1
1.83.1
1
registry.k8s.io/csi-vsphere/syncer:v3.5.0bb88468fff2a
google.golang.org/grpc@v1.68.1
1.83.1
1
registry.k8s.io/descheduler/descheduler:v0.36.07ca92c0a7b4f
google.golang.org/grpc@v1.81.1
1.83.1
1

syft 1.42.1 · advisories as of 19 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.