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

Open the chart page →

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
registry.k8s.io/sig-storage/csi-snapshotter:v6.0.1ad16874e2140
google.golang.org/grpc@v1.40.0
1.83.1
2
registry.k8s.io/sig-storage/csi-snapshotter:v8.3.0bc7be893ecc3
google.golang.org/grpc@v1.69.0
1.83.1
2
registry.k8s.io/sig-storage/csi-snapshotter:v8.2.0dd788d79cf4c
google.golang.org/grpc@v1.68.0
1.83.1
2
registry.k8s.io/sig-storage/livenessprobe:v2.15.02c5f9dc4ea5a
google.golang.org/grpc@v1.69.0
1.83.1
2
registry.k8s.io/sig-storage/livenessprobe:v2.12.05baeb4a6d7d5
google.golang.org/grpc@v1.60.1
1.83.1
2
registry.k8s.io/sig-storage/livenessprobe:v2.17.09b75b9ade162
google.golang.org/grpc@v1.72.1
1.83.1
2
registry.k8s.io/sig-storage/livenessprobe:v2.8.0cacee2b5c36d
google.golang.org/grpc@v1.48.0
1.83.1
2
registry.k8s.io/sig-storage/smbplugin:v1.20.3dc7746bb081e
google.golang.org/grpc@v1.79.3
1.83.1
2
0xpolygon/bor:1.3.7396d3de26d8b
google.golang.org/grpc@v1.64.0
1.83.1
1
0xpolygon/heimdall:1.0.134ddf259993c
google.golang.org/grpc@v1.53.0
1.83.1
1
1dev/server:11.9.0cd5b12fe5471
google.golang.org/grpc@v1.69.4
1.83.1
1
aapjeisbaas/wp-frankenphp:v0.2.26b261abc7fb0
google.golang.org/grpc@v1.81.1
1.83.1
1
aavishay/right-sizer:0.6.23d7c4d79595c
google.golang.org/grpc@v1.79.3
1.83.1
1
abiondevelopment/cert-manager-webhook-abion:latestc741988fbd23
google.golang.org/grpc@v1.69.2
1.83.1
1
abohatyrenko/bucket-backup-restore:latestfa98af15a13e
google.golang.org/grpc@v1.59.0
1.83.1
1
adyanth/cloudflare-operator6b168dc237d5
google.golang.org/grpc@v1.72.0
1.83.1
1
aerospike/aerospike-backup-service:3.5.1be40d709c583
google.golang.org/grpc@v1.78.0
1.83.1
1
aerospike/aerospike-kubernetes-operator:4.5.070a9eeb991b8
google.golang.org/grpc@v1.78.0
1.83.1
1
agentarea/agentarea-mcp-manager:latest59476da5b812
google.golang.org/grpc@v1.82.1
1.83.1
1
aibrix/controller-manager:v0.7.076aabbbfda79
google.golang.org/grpc@v1.65.0
1.83.1
1
aibrix/gateway-plugins:v0.7.05b93ea4c753a
google.golang.org/grpc@v1.65.0
1.83.1
1
airbyte/minio:RELEASE.2023-11-20T22-40-07Zfdae972eaf0e
google.golang.org/grpc@v1.59.0
1.83.1
1
akeyless/akeyless-csi-provider:lateste48bddc5dd72
google.golang.org/grpc@v1.79.3
1.83.1
1
akeyless/gateway:5.4.0d4768a9b089c
google.golang.org/grpc@v1.81.1
1.83.1
1
akeyless/k8s-webhook-server:0.39.0996cd9afb3b4
google.golang.org/grpc@v1.79.3
1.83.1
1
alex6021710/ai-scale-auth:latest6c7a47e470c3
google.golang.org/grpc@v1.42.0
1.83.1
1
alex6021710/ai-scale-doer:latest31e533cf7cd3
google.golang.org/grpc@v1.42.0
1.83.1
1
alex6021710/ai-scale-migrator:latest744b8a924f35
google.golang.org/grpc@v1.41.0
1.83.1
1
alex6021710/ai-scale-provider:latest5837d9b30cc7
google.golang.org/grpc@v1.42.0
1.83.1
1
alex6021710/ai-scale-saver:latestf73e8d60fd03
google.golang.org/grpc@v1.40.0
1.83.1
1
alireza7/s-ui:1.5.302aa86983cdb
google.golang.org/grpc@v1.81.1
1.83.1
1
almasood/book-server:latest6ffac9b63cdf
google.golang.org/grpc@v1.68.1
1.83.1
1
alpine/helm105741fa6621
google.golang.org/grpc@v1.58.3
1.83.1
1
alpine/k8s:1.22.600ac10bcb759
google.golang.org/grpc@v1.30.0
1.83.1
1
alpine/k8s:1.27.321b24e6bf801
google.golang.org/grpc@v1.53.0
1.83.1
1
alpine/k8s:1.36.244ef4942e171
google.golang.org/grpc@v1.77.0
1.83.1
1
alpine/k8s:1.31.106dbe6f391eda
google.golang.org/grpc@v1.68.1
1.83.1
1
alpine/k8s:1.31.137a319b15cfc9
google.golang.org/grpc@v1.74.2
1.83.1
1
alpine/k8s:1.32.47e1e7d5b7a96
google.golang.org/grpc@v1.68.0
1.83.1
1
alpine/k8s:1.31.49c4976d47656
google.golang.org/grpc@v1.49.0
1.83.1
1
alpine/k8s:1.18.16a41efe02a041
google.golang.org/grpc@v1.27.1
1.83.1
1
alpine/k8s:1.37.0b421c2e9419e
google.golang.org/grpc@v1.82.1
1.83.1
1
alpine/k8s:1.35.6b7a12c5ddf26
google.golang.org/grpc@v1.81.0
1.83.1
1
alpine/k8s:1.30.0bd01dae02676
google.golang.org/grpc@v1.49.0
1.83.1
1
alpine/k8s:1.30.2cd560fce90f7
google.golang.org/grpc@v1.49.0
1.83.1
1
alpine/k8s:1.35.5d870622d0040
google.golang.org/grpc@v1.80.0
1.83.1
1
alpine/k8s:1.28.13e5c0b053fed7
google.golang.org/grpc@v1.58.3
1.83.1
1
alpine/k8s:1.32.3eec354133193
google.golang.org/grpc@v1.70.0
1.83.1
1
alpine/k8s:1.28.2fc059f056ad0
google.golang.org/grpc@v1.55.0
1.83.1
1
amazon/aws-otel-collector:v0.27.0d8ab0eef5074
google.golang.org/grpc@v1.53.0
1.83.1
1

syft 1.42.1 · advisories as of 22 Sept 2026

Corrections: contact@stackradar.io

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