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
2,305
of 17,813 indexed, latest versions
Container images
2,756
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 2,305 of 17,813 indexed charts deploy, on 2,756 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 more1.83.12,752
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

2,305 by stars
ChartLatestAffected imagesRadar Score
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 →

9,526
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

2,756 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
ghcr.io/conductionnl/verzoektypecatalogus-php:latest64f5eb7a398b
google.golang.org/grpc@v1.27.0
1.83.1
1
ghcr.io/conductionnl/waardepapieren-balie-php:latestf36c423cd259
google.golang.org/grpc@v1.27.0
1.83.1
1
ghcr.io/conductionnl/waardepapieren-php:latestb2666ffcbad8
google.golang.org/grpc@v1.27.0
1.83.1
1
ghcr.io/conductionnl/waardepapieren-register-php:latest9affab218351
google.golang.org/grpc@v1.27.0
1.83.1
1
ghcr.io/conductionnl/webresourcecatalogus-php:latest8f1bbd5cda85
google.golang.org/grpc@v1.27.0
1.83.1
1
ghcr.io/containeroo/agent-forge-operator:v1.1.48f6d8acd134a
google.golang.org/grpc@v1.82.1
1.83.1
1
ghcr.io/containeroo/autovpa:v0.0.3425b801d8d1f7
google.golang.org/grpc@v1.79.3
1.83.1
1
ghcr.io/containeroo/cert-manager-webhook-bluecat:latest96f82d5840d4
google.golang.org/grpc@v1.82.1
1.83.1
1
ghcr.io/containeroo/kube-ephemeral-container-exporter:v0.0.14b238f3c58d83
google.golang.org/grpc@v1.79.3
1.83.1
1
ghcr.io/containers/kubernetes-mcp-server:v0.0.666d650f4bd6ac
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-memory-policy:v0.14.0531d21ec4ba2
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-memory-qos:v0.14.0c7c5c24ed894
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-memtierd:v0.14.09138314e12ba
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-resctrl-mon:v0.14.0a9c9775fab70
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-resource-policy-balloons:v0.14.0a8c8297c7274
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-resource-policy-template:v0.14.00edfc075277b
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-resource-policy-topology-aware:v0.14.0e2443833726a
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/containers/nri-plugins/nri-sgx-epc:v0.14.0b4c4d0d83c14
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/coollabsio/minio:RELEASE.2025-10-15T17-29-55Z69b55a1c1c5d
google.golang.org/grpc@v1.71.0
1.83.1
1
ghcr.io/cosanet/cosanet:1.0.098cb5d9fa215
google.golang.org/grpc@v1.75.0
1.83.1
1
ghcr.io/crashappsec/chalk-operator:v0.1.128eee62e9bfa
google.golang.org/grpc@v1.68.1
1.83.1
1
ghcr.io/crashappsec/chalkular-controller:v0.0.8d31986456626
google.golang.org/grpc@v1.83.0
1.83.1
1
ghcr.io/crashappsec/ocular-controller:v0.4.122060cf61e0e
google.golang.org/grpc@v1.83.0
1.83.1
1
ghcr.io/crazygit/cert-manager-alidns-webhook:0.1.4976be6506eb6
google.golang.org/grpc@v1.75.1
1.83.1
1
ghcr.io/crazy-max/cloudflared:2025.9.19b4e856d18f6
google.golang.org/grpc@v1.72.2
1.83.1
1
ghcr.io/crazy-max/diun:4.19.0c94e32b888e4
google.golang.org/grpc@v1.38.0
1.83.1
1
ghcr.io/cronschedules/cronjob-scale-down-operator:0.4.41c4e803d7169
google.golang.org/grpc@v1.80.0
1.83.1
1
ghcr.io/cubefs/cfs-csi-driver:3.2.0.150.08723616a976a
google.golang.org/grpc@v1.29.1
1.83.1
1
ghcr.io/cybozu-go/moco:0.37.032e7cab1bdd8
google.golang.org/grpc@v1.80.0
1.83.1
1
ghcr.io/d0ugal/internet-perf-exporter:v0.2.91f5c9a96fe52a
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/danieldonoghue/vault-sync-operator:v0.0.1-beta.38d7ec69a193c
google.golang.org/grpc@v1.80.0
1.83.1
1
ghcr.io/dapr/injector:1.17.0-rc.37a2fd888ed5f
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/dapr/operator:1.17.0-rc.3d5cc61cbe735
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/dapr/placement:1.17.0-rc.3a237b43cd5c6
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/dapr/scheduler:1.17.0-rc.36c62e01e736b
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/dapr/sentry:1.17.0-rc.3bf79b03591e0
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/dc-tec/openbao-operator:0.5.04f1d8e79e9d3
google.golang.org/grpc@v1.83.0
1.83.1
1
ghcr.io/dellnoantechnp/alloy-remote-config/fleet-management:master4371b566d238
google.golang.org/grpc@v1.79.3
1.83.1
1
ghcr.io/devangradadiya/k8s-s3-bucket-operator:0.2.258288de9f9fa
google.golang.org/grpc@v1.72.2
1.83.1
1
ghcr.io/devops-ia/steampipe:v2.4.1a982103d91d3
google.golang.org/grpc@v1.79.3
1.83.1
1
ghcr.io/dexidp/dex:v2.43.10881d3c9359b
google.golang.org/grpc@v1.71.0
1.83.1
1
ghcr.io/dexidp/dex:v2.35.313964b29d63e
google.golang.org/grpc@v1.49.0
1.83.1
1
ghcr.io/dexidp/dex:v2.44.05d0656fce7d4
google.golang.org/grpc@v1.72.1
1.83.1
1
ghcr.io/dexidp/dex:v2.42.18186d6dd81f4
google.golang.org/grpc@v1.68.1
1.83.1
1
ghcr.io/dexidp/dex:v2.37.0f579d00721b0
google.golang.org/grpc@v1.56.1
1.83.1
1
ghcr.io/digitalis-io/vals-operator:v0.8.17c776499b8c9
google.golang.org/grpc@v1.78.0
1.83.1
1
ghcr.io/distribution/distribution:3.0.04ba3adf47f5c
google.golang.org/grpc@v1.68.0
1.83.1
1
ghcr.io/djcass44/cso-proxy:cccf49fdb360d44125ad
google.golang.org/grpc@v1.43.0
1.83.1
1
ghcr.io/djcass44/gitlab-goproxy:v0.1.8a43323732181
google.golang.org/grpc@v1.46.0
1.83.1
1
ghcr.io/dodevops/azure-advanced-backup:0.4.01041d4449e49
google.golang.org/grpc@v1.45.0
1.83.1
1

syft 1.42.1 · advisories as of 20 Sept 2026

Corrections: contact@stackradar.io

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