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
2,309
of 17,821 indexed, latest versions
Container images
2,767
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 2,309 of 17,821 indexed charts deploy, on 2,767 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 more1.83.12,763
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

2,309 by stars
ChartLatestAffected imagesRadar Score
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 →

4,928
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 →

9,743
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

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9,528
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

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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

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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

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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

2,767 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
grafana/promtail:2.6.1072527b12cdf
google.golang.org/grpc@v1.44.0
1.83.1
1
grafana/promtail:2.0.05fd12edcc694
google.golang.org/grpc@v1.29.1
1.83.1
1
grafana/promtail:2.9.1063a2e57a5b14
google.golang.org/grpc@v1.56.3
1.83.1
1
grafana/promtail:3.5.165bfae480b57
google.golang.org/grpc@v1.71.0
1.83.1
1
grafana/promtail:3.6.18dcfdf466da0
google.golang.org/grpc@v1.75.1
1.83.1
1
grafana/promtail:2.7.0c16c710f7333
google.golang.org/grpc@v1.45.0
1.83.1
1
grafana/pyroscope:1.10.0319bf32ae06b
google.golang.org/grpc@v1.62.1
1.83.1
1
grafana/pyroscope:2.0.3cfd00e7f73c2
google.golang.org/grpc@v1.80.0
1.83.1
1
grafana/rollout-operator:v0.38.132fe838b79dd
google.golang.org/grpc@v1.82.0
1.83.1
1
grafana/rollout-operator:v0.14.03409edfb45c7
google.golang.org/grpc@v1.59.0
1.83.1
1
grafana/synthetic-monitoring-agent:v0.65.0fe3e095283f0
google.golang.org/grpc@v1.82.1
1.83.1
1
grafana/tempo:3.0.30296560ac66f
google.golang.org/grpc@v1.82.1
1.83.1
1
grafana/tempo:2.6.0f55a8a1937ff
google.golang.org/grpc@v1.65.0
1.83.1
1
graphiteapp/graphite-statsd:1.1.7-604a0037cc2ae
google.golang.org/grpc@v1.14.0
1.83.1
1
graviteeio/kubernetes-operator:4.12.1951dca8076ecc
google.golang.org/grpc@v1.81.1
1.83.1
1
gresearch/armada-executor:latest393aff4aa8f2
google.golang.org/grpc@v1.81.1
1.83.1
1
gresearch/armada-lookout:latestf5e3226f1d33
google.golang.org/grpc@v1.81.1
1.83.1
1
gresearch/armada-lookout-ingester:latest3df14cda1855
google.golang.org/grpc@v1.81.1
1.83.1
1
gresearch/armada-scheduler:latest6141a6213fcb
google.golang.org/grpc@v1.81.1
1.83.1
1
gresearch/fasttrackml:latest16d1228220fc
google.golang.org/grpc@v1.63.2
1.83.1
1
grpl/grapple-cli:0.2.127c00aafee6629
google.golang.org/grpc@v1.65.0
1.83.1
1
hammerspaceinc/csi-plugin:v1.2.8-rc2395bee4504fc
google.golang.org/grpc@v1.68.1
1.83.1
1
haproxytech/haproxy-alpine:3.4.41fe3f201ebb5
google.golang.org/grpc@v1.83.0
1.83.1
1
haproxytech/haproxy-unified-gateway:1.0.7b9bffe2d0fd1
google.golang.org/grpc@v1.83.0
1.83.1
1
hashicorp/boundary:0.15.3339b78b61750
google.golang.org/grpc@v1.59.0
1.83.1
1
hashicorp/boundary:0.21.037bf86488b74
google.golang.org/grpc@v1.76.0
1.83.1
1
hashicorp/boundary:latest76a201954ca0
google.golang.org/grpc@v1.79.3
1.83.1
1
hashicorp/boundary:0.8.1fb70bd9210ff
google.golang.org/grpc@v1.45.0
1.83.1
1
hashicorp/consul:1.17.0712fe02d2f84
google.golang.org/grpc@v1.56.3
1.83.1
1
hashicorp/consul:1.15.3ddff34041c5c
google.golang.org/grpc@v1.49.0
1.83.1
1
hashicorp/consul-k8s-control-plane:1.3.00e4452f0f265
google.golang.org/grpc@v1.56.3
1.83.1
1
hashicorp/consul-k8s-control-plane:1.1.262bed1bf8106
google.golang.org/grpc@v1.49.0
1.83.1
1
hashicorp/terraform:1.44dcb45513699
google.golang.org/grpc@v1.50.1
1.83.1
1
hashicorp/terraform:1.9.7b77efab1a448
google.golang.org/grpc@v1.59.0
1.83.1
1
hashicorp/vault:1.15.40b01ed3924e6
google.golang.org/grpc@v1.58.3
1.83.1
1
hashicorp/vault:2.0.1755355002715
google.golang.org/grpc@v1.81.0
1.83.1
1
hashicorp/vault:1.14.0b2177a8bfe85
google.golang.org/grpc@v1.55.0
1.83.1
1
hashicorp/vault:1.19.0bbb7f98dc67d
google.golang.org/grpc@v1.70.0
1.83.1
1
hashicorp/vault:1.8.4dfc3500beb0e
google.golang.org/grpc@v1.29.1
1.83.1
1
hashicorp/vault-secrets-operator:1.5.1458c842add32
google.golang.org/grpc@v1.83.0
1.83.1
1
hashicorp/waypoint:0.11.397d521a27498
google.golang.org/grpc@v1.50.1
1.83.1
1
hazelcast/hazelcast-platform-operator:5.19.02783cd66846d
google.golang.org/grpc@v1.82.1
1.83.1
1
hbahadorzadeh/cert-manager-webhook-arvan:latestbf9756b3bc47
google.golang.org/grpc@v1.27.0
1.83.1
1
headscale/headscale:0.25.1a7a8ae9616bb
google.golang.org/grpc@v1.69.0
1.83.1
1
headscale/headscale:0.27.1cd37b3001857
google.golang.org/grpc@v1.75.1
1.83.1
1
hetzner/cert-manager-webhook-hetzner:v0.9.0b64db89ba4c1
google.golang.org/grpc@v1.82.1
1.83.1
1
hetznercloud/hcloud-cloud-controller-manager:v1.16.08c07e6d7a76c
google.golang.org/grpc@v1.51.0
1.83.1
1
hetznercloud/hcloud-cloud-controller-manager:v1.13.0ed5ee5f83973
google.golang.org/grpc@v1.40.0
1.83.1
1
hetznercloud/hcloud-csi-driver:1.6.01475d525f9a4
google.golang.org/grpc@v1.33.0
1.83.1
1
hetznercloud/hcloud-csi-driver:1.5.141dce5b33644
google.golang.org/grpc@v1.33.0
1.83.1
1

syft 1.42.1 · advisories as of 21 Sept 2026

Corrections: contact@stackradar.io

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