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/spiffe/spiffe-csi-driver:0.2.34144101005b2
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/spiffe/spire-agent:1.6.062517726d0c4
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/spiffe/spire-controller-manager:0.2.25e90b2d092df
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/spiffe/spire-ha-agent:0.5.0307cf2d05afe
google.golang.org/grpc@v1.82.1
1.83.1
1
ghcr.io/spiffe/spire-identity-exchange-server:v0.5.0239bc70c1988
google.golang.org/grpc@v1.82.1
1.83.1
1
ghcr.io/spiffe/spire-server:1.6.0635b9024cad2
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/squat/generic-device-plugin:0.2.066c8d5c270eb
google.golang.org/grpc@v1.80.0
1.83.1
1
ghcr.io/squat/generic-device-plugin:latestdc192e164c69
google.golang.org/grpc@v1.81.0
1.83.1
1
ghcr.io/stakater/ingressmonitorcontroller:v2.2.133301afb61c10
google.golang.org/grpc@v1.67.1
1.83.1
1
ghcr.io/stashed/stash:v0.42.03a98245a7667
google.golang.org/grpc@v1.64.1
1.83.1
1
ghcr.io/stashed/stash-enterprise:v0.42.1759f3850eda9
google.golang.org/grpc@v1.69.2
1.83.1
1
ghcr.io/stashed/stash-enterprise:v0.32.0e9bde36e34b7
google.golang.org/grpc@v1.50.1
1.83.1
1
ghcr.io/stefanprodan/podinfo:6.1.3f25ebb9c6788
google.golang.org/grpc@v1.43.0
1.83.1
1
ghcr.io/streamingfast/blockmeta-service:2f971e04f0a86e490b6
google.golang.org/grpc@v1.61.0
1.83.1
1
ghcr.io/streamingfast/firehose-core:v1.10.222f84e3615c8
google.golang.org/grpc@v1.48.0
1.83.1
1
ghcr.io/streamingfast/firehose-core:v1.12.391fca773a63f
google.golang.org/grpc@v1.48.0
1.83.1
1
ghcr.io/streamingfast/firehose-ethereum:v2.12.489969b78fb07
google.golang.org/grpc@v1.48.0
1.83.1
1
ghcr.io/streamingfast/firehose-ethereum:v2.14.3bf816072380e
google.golang.org/grpc@v1.48.0
1.83.1
1
ghcr.io/streamingfast/firehose-ethereum:v2.12.4-gethd7bdfa7b41da
google.golang.org/grpc@v1.72.0
1.83.1
1
ghcr.io/streamingfast/go-ethereum:geth-v1.16.9-fh3.08e3cb38953a3
google.golang.org/grpc@v1.78.0
1.83.1
1
ghcr.io/streamingfast/substreams-sink-kv:v2.3.026953ec68d5d
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/streamingfast/substreams-sink-noop:v1.4.0d7c43c3135c6
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/strrl/supabase-operator:2026.7.2587d083ab8980
google.golang.org/grpc@v1.75.0
1.83.1
1
ghcr.io/strrl/wonder-mesh-net:v2026.629.0625b140372fd
google.golang.org/grpc@v1.75.1
1.83.1
1
ghcr.io/substra/fabric-peer:0.2.4f681e0343a31
google.golang.org/grpc@v1.31.0
1.83.1
1
ghcr.io/substra/fabric-tools:0.2.43491a0f31c4a
google.golang.org/grpc@v1.31.0
1.83.1
1
ghcr.io/substra/orchestrator-server:1.0.0647e45284a80
google.golang.org/grpc@v1.62.1
1.83.1
1
ghcr.io/substratusai/lingo:v0.2.12c807cd41ed4
google.golang.org/grpc@v1.62.1
1.83.1
1
ghcr.io/supabase-community/supabase-operator:v0.1.3253a6dcbf4f0
google.golang.org/grpc@v1.72.2
1.83.1
1
ghcr.io/synapsecns/sanguine/agents:6e3887fc2a05aff0d159453cedbfbe5024b910bf81a9ebc899a4
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/synapsecns/sanguine/cctp-relayer:b5a1dd5288f1a18eb05994e130d626fed45a56fc2f1408c94168
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/synapsecns/sanguine/explorer:latest00131e3d1eaf
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/synapsecns/sanguine/promexporter:4a9aad096c2bd1160e56e5472ddac77fa0cde2e9416c1c5aeb86
google.golang.org/grpc@v1.55.0
1.83.1
1
ghcr.io/synapsecns/sanguine/screener-api:latestb3de2050460a
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/synapsecns/sanguine/scribe:6e3887fc2a05aff0d159453cedbfbe5024b910bf5e0a3dfa9f96
google.golang.org/grpc@v1.53.0
1.83.1
1
ghcr.io/synapsecns/sanguine/scribe:latest81edba952403
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/synapsecns/sanguine/sinner:latest3e98a98f6074
google.golang.org/grpc@v1.59.0
1.83.1
1
ghcr.io/syself/hetzner-cloud-controller-manager:v2.0.77d4a5e29c387
google.golang.org/grpc@v1.68.1
1.83.1
1
ghcr.io/techarohq/anubis:v1.21.3940ac71ef6fc
google.golang.org/grpc@v1.73.0
1.83.1
1
ghcr.io/telepresenceio/tel2:2.31.26f1d705594ba
google.golang.org/grpc@v1.82.1
1.83.1
1
ghcr.io/terminus-io/enforcer:v1.1.0f21b905610d6
google.golang.org/grpc@v1.78.0
1.83.1
1
ghcr.io/tjm/vault-gcp-secrets:v1.19.59f157fe035f1
google.golang.org/grpc@v1.70.0
1.83.1
1
ghcr.io/topolvm/topolvm-with-sidecar:0.41.170548dbe0c6a
google.golang.org/grpc@v1.78.0
1.83.1
1
ghcr.io/topolvm/topolvm-with-sidecar:0.35.0b354978c440d
google.golang.org/grpc@v1.64.0
1.83.1
1
ghcr.io/traefik/hub-manager:v0.45.1d1cff2560c67
google.golang.org/grpc@v1.81.1
1.83.1
1
ghcr.io/traefik/traefik-hub:v2.11.0322f5f8cc105
google.golang.org/grpc@v1.58.3
1.83.1
1
ghcr.io/transparency-dev/tesseract/posix:v0.1.2b044edd23888
google.golang.org/grpc@v1.82.0
1.83.1
1
ghcr.io/turbot/guardrails-agent-kubernetes:0.3.09d01bf9c9224
google.golang.org/grpc@v1.65.0
1.83.1
1
ghcr.io/twigex/cospace:lateste5ecfd607e42
google.golang.org/grpc@v1.62.0
1.83.1
1
ghcr.io/upbothq/upbot-operator:v0.0.20e5da24947c91
google.golang.org/grpc@v1.68.1
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.