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
2,276
of 17,813 indexed, latest versions
Container images
2,704
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 2,276 of 17,813 indexed charts deploy, on 2,704 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 more1.83.12,701
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

2,276 by stars
ChartLatestAffected imagesRadar Score
vaultwenerme0.34.11 of 2See more

vault wenerme 0.34.1

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

Container imageDigestPackageFixed in
hashicorp/vault:2.0.45be49781ecf7
google.golang.org/grpc@v1.82.1
1.83.1

Open the chart page →

552
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

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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

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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

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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

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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

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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

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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

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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

2,704 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
registry.k8s.io/descheduler/descheduler:v0.36.07ca92c0a7b4f
google.golang.org/grpc@v1.81.1
1.83.1
1
registry.k8s.io/dns/k8s-dns-node-cache:1.23.081a13703d6b8
google.golang.org/grpc@v1.56.3
1.83.1
1
registry.k8s.io/dns/k8s-dns-node-cache:1.26.78b9a78d101a1
google.golang.org/grpc@v1.75.1
1.83.1
1
registry.k8s.io/dns/k8s-dns-node-cache:1.23.1e3dccb1a21d1
google.golang.org/grpc@v1.56.3
1.83.1
1
registry.k8s.io/e2e-test-images/agnhost:2.40af7e3857d877
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/etcd:3.6.4-0e36c08168342
google.golang.org/grpc@v1.71.1
1.83.1
1
registry.k8s.io/kas-network-proxy/proxy-server:v0.0.37c2f596cae3c6
google.golang.org/grpc@v1.40.0
1.83.1
1
registry.k8s.io/kube-apiserver:v1.25.0f6902791fb9a
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/kubebuilder/kube-rbac-proxy:v0.16.0771a9a173e03
google.golang.org/grpc@v1.58.3
1.83.1
1
registry.k8s.io/kube-controller-manager:v1.25.066ce7d460e53
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/kube-scheduler:v1.26.110684e23172d9
google.golang.org/grpc@v1.56.3
1.83.1
1
registry.k8s.io/kube-scheduler:v1.28.73ae5620a33bb
google.golang.org/grpc@v1.56.3
1.83.1
1
registry.k8s.io/kube-scheduler:v1.28.1146cf7475c8da
google.golang.org/grpc@v1.56.3
1.83.1
1
registry.k8s.io/kube-scheduler:v1.25.09330c53feca7
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/kwok/kwok:v0.8.06d25aa8fbdfe
google.golang.org/grpc@v1.81.1
1.83.1
1
registry.k8s.io/metrics-server/metrics-server:v0.7.01c0419326500
google.golang.org/grpc@v1.59.0
1.83.1
1
registry.k8s.io/metrics-server/metrics-server:v0.7.1db3800085a09
google.golang.org/grpc@v1.59.0
1.83.1
1
registry.k8s.io/nfd/node-feature-discovery:v0.16.619ebca8b3804
google.golang.org/grpc@v1.63.2
1.83.1
1
registry.k8s.io/node-problem-detector/node-problem-detector:v0.8.2052f0618e9bc2
google.golang.org/grpc@v1.64.1
1.83.1
1
registry.k8s.io/node-problem-detector/node-problem-detector:v1.35.1c380751accc5
google.golang.org/grpc@v1.77.0
1.83.1
1
registry.k8s.io/prometheus-adapter/prometheus-adapter:v0.11.1e6a43c83ab16
google.golang.org/grpc@v1.53.0
1.83.1
1
registry.k8s.io/provider-os/cinder-csi-plugin:v1.36.078adaeb154c7
google.golang.org/grpc@v1.80.0
1.83.1
1
registry.k8s.io/provider-os/manila-csi-plugin:v1.36.0190976e2e2fe
google.golang.org/grpc@v1.80.0
1.83.1
1
registry.k8s.io/provider-os/openstack-cloud-controller-manager:v1.36.0e354e40db2d0
google.golang.org/grpc@v1.80.0
1.83.1
1
registry.k8s.io/sig-storage/csi-attacher:v4.1.008721106b949
google.golang.org/grpc@v1.51.0
1.83.1
1
registry.k8s.io/sig-storage/csi-attacher:v4.5.19dcd469f02bb
google.golang.org/grpc@v1.60.1
1.83.1
1
registry.k8s.io/sig-storage/csi-attacher:v4.10.0be59d0556508
google.golang.org/grpc@v1.72.1
1.83.1
1
registry.k8s.io/sig-storage/csi-attacher:v3.5.0dd245051317e
google.golang.org/grpc@v1.40.0
1.83.1
1
registry.k8s.io/sig-storage/csi-external-health-monitor-controller:v0.7.080b9ba94aa2a
google.golang.org/grpc@v1.48.0
1.83.1
1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.9.12cddcc716c19
google.golang.org/grpc@v1.59.0
1.83.1
1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.7.04a4cae5118c4
google.golang.org/grpc@v1.51.0
1.83.1
1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.6.2a13bff2ed69a
google.golang.org/grpc@v1.50.1
1.83.1
1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.0.1e07f914c32f0
google.golang.org/grpc@v1.27.0
1.83.1
1
registry.k8s.io/sig-storage/csi-provisioner:v5.0.27b9cdb5830d0
google.golang.org/grpc@v1.64.0
1.83.1
1
registry.k8s.io/sig-storage/csi-provisioner:v3.4.0e468dddcd275
google.golang.org/grpc@v1.51.0
1.83.1
1
registry.k8s.io/sig-storage/csi-provisioner:v3.3.0ee3b525d5b89
google.golang.org/grpc@v1.49.0
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.13.12a0b297cc7c4
google.golang.org/grpc@v1.69.2
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.7.03a7bdf5d1057
google.golang.org/grpc@v1.51.0
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.6.0425d8f1b7693
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v2.0.04a95d94e57ad
google.golang.org/grpc@v1.72.1
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.10.14ecda2818f6d
google.golang.org/grpc@v1.60.1
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.3.06e0546563b18
google.golang.org/grpc@v1.38.0
1.83.1
1
registry.k8s.io/sig-storage/csi-resizer:v1.12.0ab774734705a
google.golang.org/grpc@v1.65.0
1.83.1
1
registry.k8s.io/sig-storage/csi-snapshotter:v6.1.0291334908ddf
google.golang.org/grpc@v1.47.0
1.83.1
1
registry.k8s.io/sig-storage/csi-snapshotter:v8.0.25f051159c95f
google.golang.org/grpc@v1.65.0
1.83.1
1
registry.k8s.io/sig-storage/csi-snapshotter:v8.2.15f4bb469fec5
google.golang.org/grpc@v1.69.0
1.83.1
1
registry.k8s.io/sig-storage/csi-snapshotter:v4.2.1818f35653f2e
google.golang.org/grpc@v1.38.0
1.83.1
1
registry.k8s.io/sig-storage/csi-snapshotter:v5.0.189e900a160a9
google.golang.org/grpc@v1.40.0
1.83.1
1
registry.k8s.io/sig-storage/hostpathplugin:v1.9.092257881c1d6
google.golang.org/grpc@v1.34.0
1.83.1
1
registry.k8s.io/sig-storage/livenessprobe:v2.9.02b10b24dafdc
google.golang.org/grpc@v1.49.0
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.