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
2,312
of 17,828 indexed, latest versions
Container images
2,773
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 2,312 of 17,828 indexed charts deploy, on 2,773 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 more1.83.12,769
grpcdeb1.16.1-1ubuntu5, 1.51.1-4.1build5no fix listed4
OSV records
GHSA-qc2q-p7wx-3px3UBUNTU-CVE-2026-84303
Also known as
GO-2026-6441

Charts affected

2,312 by stars
ChartLatestAffected imagesRadar Score
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 →

1,061
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 →

13,934
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

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4,928
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 →

9,769
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 →

9,530
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 →

8,003
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

2,773 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
quay.io/prometheus/prometheus:latest:v3.14.05ce7540c3c00
google.golang.org/grpc@v1.82.1
1.83.1
23
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.18.01545919b72e3
google.golang.org/grpc@v1.75.1
1.83.1
12
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.20.042cfe3723a5f
google.golang.org/grpc@v1.79.3
1.83.1
12
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.17.0f9de845b1701
google.golang.org/grpc@v1.81.1
1.83.1
12
registry.k8s.io/sig-storage/csi-provisioner:v6.3.0a4b0b1a37605
google.golang.org/grpc@v1.81.1
1.83.1
10
minio/minio:latest:RELEASE.2025-09-07T16-13-09Z14cea493d9a3
google.golang.org/grpc@v1.71.0
1.83.1
8
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.19.185108987d044
google.golang.org/grpc@v1.79.3
1.83.1
8
cloudflare/cloudflared:2026.9.1:latestb269e8abd07a
google.golang.org/grpc@v1.83.0
1.83.1
7
wurstmeister/kafka:latest2d4bbf9cc83d
google.golang.org/grpc@v1.44.0
1.83.1
7
quay.io/minio/mc:RELEASE.2024-11-21T17-21-54Z993e8c454a7e
google.golang.org/grpc@v1.67.1
1.83.1
7
quay.io/minio/minio:RELEASE.2024-12-18T13-15-44Z1dce27c494a1
google.golang.org/grpc@v1.69.0
1.83.1
7
quay.io/thanos/thanos:v0.37.24ec6df40fdb9
google.golang.org/grpc@v1.63.2
1.83.1
7
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.15.011f199f6bec4
google.golang.org/grpc@v1.72.1
1.83.1
7
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.16.0ab482308a492
google.golang.org/grpc@v1.78.0
1.83.1
7
registry.k8s.io/sig-storage/csi-resizer:v2.1.0589e525cddef
google.golang.org/grpc@v1.78.0
1.83.1
7
registry.k8s.io/sig-storage/csi-resizer:v1.14.05e7cbb63fd49
google.golang.org/grpc@v1.69.2
1.83.1
7
grafana/grafana:13.2.2-distroless69a5d2d957ca
google.golang.org/grpc@v1.81.1
1.83.1
6
grafana/grafana:latestac461fb352ab
google.golang.org/grpc@v1.81.1
1.83.1
6
grafana/grafana:7.0.3d72946c8e5d5
google.golang.org/grpc@v1.27.1
1.83.1
6
grafana/grafana:latestf772d434e8fa
google.golang.org/grpc@v1.81.1
1.83.1
6
victoriametrics/operator:v0.74.17310c4a80b94
google.golang.org/grpc@v1.82.1
1.83.1
6
ghcr.io/appscode/b3:v2026.9.1176d28575b71c
google.golang.org/grpc@v1.69.2
1.83.1
6
ghcr.io/quenchworks/images/grafana3ccc56791c8a
google.golang.org/grpc@v1.82.1
1.83.1
6
quay.io/devtron/authenticator:e414faff-393-13273c8958d9533c7
google.golang.org/grpc@v1.36.1
1.83.1
6
quay.io/devtron/dex:v2.30.22e4c14d1b444
google.golang.org/grpc@v1.34.0
1.83.1
6
quay.io/devtron/kubectl:latest2ad610626658
google.golang.org/grpc@v1.47.0
1.83.1
6
quay.io/devtron/migrator:v4.16.2fbeaef7a8566
google.golang.org/grpc@v1.51.0
1.83.1
6
quay.io/prometheus/blackbox-exporter:latest:v0.28.0e753ff9f3fc4
google.golang.org/grpc@v1.77.0
1.83.1
6
registry.k8s.io/sig-storage/csi-attacher:v4.12.0b9dc9a714a48
google.golang.org/grpc@v1.81.1
1.83.1
6
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.8.0:v2.8.1f6717ce72a26
google.golang.org/grpc@v1.54.0
1.83.1
6
registry.k8s.io/sig-storage/csi-provisioner:v5.3.0bb057f866177
google.golang.org/grpc@v1.72.1
1.83.1
6
registry.k8s.io/sig-storage/livenessprobe:v2.19.006da0d5b8908
google.golang.org/grpc@v1.81.1
1.83.1
6
dtzar/helm-kubectl:3.14.455429449408e
google.golang.org/grpc@v1.58.3
1.83.1
5
ethpandaops/xatu:latest423ff2b7b568
google.golang.org/grpc@v1.80.0
1.83.1
5
ethpandaops/xatu:latest74d4cf2c436c
google.golang.org/grpc@v1.80.0
1.83.1
5
grafana/grafana:6.7.11ff3999e0fc0
google.golang.org/grpc@v1.23.1
1.83.1
5
grafana/tempo:2.9.065a578975943
google.golang.org/grpc@v1.75.0
1.83.1
5
keelhq/keel:latest73714afb4443
google.golang.org/grpc@v1.68.0
1.83.1
5
prom/prometheus:v2.13.10a8caa2e9f19
google.golang.org/grpc@v1.22.1
1.83.1
5
rancher/rancher:v2.15.15f6c4dc52a05
google.golang.org/grpc@v1.79.3
1.83.1
5
rancher/shell:v0.8.1f293af9c635f
google.golang.org/grpc@v1.79.3
1.83.1
5
traefik/whoami:latest:v1.12.0c4717a8d1f01
google.golang.org/grpc@v1.82.1
1.83.1
5
quay.io/brancz/kube-rbac-proxy:v0.19.19f21034731c7
google.golang.org/grpc@v1.65.0
1.83.1
5
quay.io/k8scsi/csi-node-driver-registrar:v1.3.0e6df72478956
google.golang.org/grpc@v1.10.0
1.83.1
5
registry.k8s.io/sig-storage/csi-attacher:v4.11.0b74b05b39501
google.golang.org/grpc@v1.72.2
1.83.1
5
registry.k8s.io/sig-storage/csi-provisioner:v2.2.204c55b93a032
google.golang.org/grpc@v1.36.0
1.83.1
5
registry.k8s.io/sig-storage/csi-provisioner:v6.2.06be9f63ca4ca
google.golang.org/grpc@v1.79.1
1.83.1
5
registry.k8s.io/sig-storage/csi-provisioner:v3.5.0d078dc174323
google.golang.org/grpc@v1.54.0
1.83.1
5
registry.k8s.io/sig-storage/csi-resizer:v2.2.0a2d40c1c3ccb
google.golang.org/grpc@v1.79.3
1.83.1
5
registry.k8s.io/sig-storage/csi-resizer:v2.2.1ea1d25e23479
google.golang.org/grpc@v1.79.3
1.83.1
5

syft 1.42.1 · advisories as of 22 Sept 2026

Corrections: contact@stackradar.io

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