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
istio-ingresstemp-charts0.3.31 of 1See more

istio-ingress temp-charts 0.3.3

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
istio/proxyv2:1.10.088c6c693e67a
google.golang.org/grpc@v1.36.0
1.83.1

Open the chart page →

75,293
temporaltemporal0.28.95 of 13See more

temporal temporal 0.28.9

5 of the 13 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:6.7.11ff3999e0fc0
google.golang.org/grpc@v1.23.1
1.83.1
temporalio/admin-tools:1.22.0836af062af30
google.golang.org/grpc@v1.53.0
1.83.1
temporalio/server:1.22.0ddeebf8bad8f
google.golang.org/grpc@v1.57.0
1.83.1
temporalio/ui:2.16.2af9c9349708f
google.golang.org/grpc@v1.55.0
1.83.1
quay.io/prometheus/prometheus:v2.31.1a8779cfe553e
google.golang.org/grpc@v1.40.0
1.83.1

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21,062
temporal-proxytemporalio0.2.11 of 1See more

temporal-proxy temporalio 0.2.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
temporalio/temporal-proxy:v0.5.0e9dc65181b93
google.golang.org/grpc@v1.83.0
1.83.1

Open the chart page →

129
terminusterminusVerified publisher1.1.01 of 1See more

terminus terminus 1.1.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/terminus-io/enforcer:v1.1.0f21b905610d6
google.golang.org/grpc@v1.78.0
1.83.1

Open the chart page →

640
owncloudth-chartsVerified publisher0.2.11 of 1See more

owncloud th-charts 0.2.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
owncloud/server:10.15.051d9b74fc2a8
google.golang.org/grpc@v1.64.0
1.83.1

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10,131
the0the0Verified publisher0.9.81 of 9See more

the0 the0 0.9.8

1 of the 9 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
minio/minio:latest14cea493d9a3
google.golang.org/grpc@v1.71.0
1.83.1

Open the chart page →

7,529
monitoringthl-chartsVerified publisher0.1.14 of 10See more

monitoring thl-charts 0.1.1

4 of the 10 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:8.5.042d3e6bc1865
google.golang.org/grpc@v1.42.0
1.83.1
grafana/loki:2.5.0f9ef133793af
google.golang.org/grpc@v1.44.0
1.83.1
grafana/promtail:2.4.2626900031c4e
google.golang.org/grpc@v1.40.0
1.83.1
quay.io/prometheus/prometheus:v2.34.0b37103e03399
google.golang.org/grpc@v1.44.0
1.83.1

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18,949
tile38tile380.6.11 of 2See more

tile38 tile38 0.6.1

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tile38/tile38:1.38.05b61c6f3b32e
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

420
pock-helm-charttinote-chart0.1.01 of 3See more

pock-helm-chart tinote-chart 0.1.0

1 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
nginx/nginx-ingress:1.11.1eb5b4fd73325
google.golang.org/grpc@v1.27.1
1.83.1

Open the chart page →

6,891
grafanatnh5.3.01 of 1See more

grafana tnh 5.3.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:7.0.3d72946c8e5d5
google.golang.org/grpc@v1.27.1
1.83.1

Open the chart page →

3,199
prometheustnh11.6.01 of 6See more

prometheus tnh 11.6.0

1 of the 6 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
prom/prometheus:v2.19.0bfad037f95e5
google.golang.org/grpc@v1.29.1
1.83.1

Open the chart page →

8,495
todolist-charttodolist-chart0.1.73 of 10See more

todolist-chart todolist-chart 0.1.7

3 of the 10 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/blackbox-exporter:lateste753ff9f3fc4
google.golang.org/grpc@v1.77.0
1.83.1
quay.io/prometheus/prometheus:latest5ce7540c3c00
google.golang.org/grpc@v1.82.1
1.83.1

Open the chart page →

7,087
netbirdtotmicro1.8.23 of 4See more

netbird totmicro 1.8.2

3 of the 4 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
netbirdio/management:0.60.252682e5f48f9
google.golang.org/grpc@v1.73.0
1.83.1
netbirdio/relay:0.60.2a10762533793
google.golang.org/grpc@v1.73.0
1.83.1
netbirdio/signal:0.60.267176bcbf6ab
google.golang.org/grpc@v1.73.0
1.83.1

Open the chart page →

6,081
hub-managertraefikVerified publisher1.0.01 of 1See more

hub-manager traefik 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/traefik/hub-manager:v0.45.1d1cff2560c67
google.golang.org/grpc@v1.81.1
1.83.1

Open the chart page →

649
traktortraktorVerified publisher0.0.171 of 1See more

traktor traktor 0.0.17

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
gdxbsv/traktor:0.0.17675693335054
google.golang.org/grpc@v1.68.1
1.83.1

Open the chart page →

382
nfs-servertranhailongVerified publisher0.1.21 of 1See more

nfs-server tranhailong 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tranhailong/nfs-server:4.2-2-gcsfuse028662749be2
google.golang.org/grpc@v1.51.0
1.83.1

Open the chart page →

2,331
orchestratremolo3.1.561 of 5See more

orchestra tremolo 3.1.56

1 of the 5 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/headlamp-k8s/headlamp:v0.45.0db3f0e0fc58d
google.golang.org/grpc@v1.82.1
1.83.1

Open the chart page →

3,013
trident-protecttrident-protect100.2606.02 of 2See more

trident-protect trident-protect 100.2606.0

2 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
netapp/controller:26.06.08235a77cfc92
google.golang.org/grpc@v1.80.0
1.83.1
netapp/trident-protect-utils:v2.0.0cd0c18d8f9ec
google.golang.org/grpc@v1.68.1
1.83.1

Open the chart page →

1,379
trident-protect-bxp-previewtrident-protect100.2511.0-bxp-preview1 of 3See more

trident-protect-bxp-preview trident-protect 100.2511.0-bxp-preview

1 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
netapp/controller:25.11.0-bxp-preview06f6c9a0653f
google.golang.org/grpc@v1.72.1
1.83.1

Open the chart page →

2,201
trident-protect-consoletrident-protect100.2608.0-console2 of 3See more

trident-protect-console trident-protect 100.2608.0-console

2 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
netapp/controller:26.08.0-console09c6cc6b5f71
google.golang.org/grpc@v1.80.0
1.83.1
netapp/trident-protect-utils:v2.0.0cd0c18d8f9ec
google.golang.org/grpc@v1.68.1
1.83.1

Open the chart page →

1,370
harbor-scanner-trivytrivy-operator0.31.21 of 1See more

harbor-scanner-trivy trivy-operator 0.31.2

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
aquasec/harbor-scanner-trivy:0.31.26e790e233872
google.golang.org/grpc@v1.63.2
1.83.1

Open the chart page →

2,489
traceetrivy-operator0.24.11 of 1See more

tracee trivy-operator 0.24.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
aquasec/tracee:0.24.1cfbbfee972e6
google.golang.org/grpc@v1.72.0
1.83.1

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1,228
trouw-servicetrouw-service1.0.01 of 3See more

trouw-service trouw-service 1.0.0

1 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/conductionnl/trouw-service-php:latestf745e2870692
google.golang.org/grpc@v1.27.0
1.83.1

Open the chart page →

7,521
tfy-agenttruefoundryVerified publisher0.2.1041 of 5See more

tfy-agent truefoundry 0.2.104

1 of the 5 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/external-secrets/external-secrets:v2.4.19440a40b3947
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

688
tfy-cloudflaredtruefoundryVerified publisher0.6.01 of 2See more

tfy-cloudflared truefoundry 0.6.0

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
public.ecr.aws/docker/library/caddy:2.6.387cbd356af2e
google.golang.org/grpc@v1.52.3
1.83.1

Open the chart page →

2,035
tfy-inferentia-operatortruefoundryVerified publisher0.2.82 of 3See more

tfy-inferentia-operator truefoundry 0.2.8

2 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
public.ecr.aws/eks-distro/kubernetes/kube-scheduler:v1.29.14-eks-1-29-lateste7e1db003e6a
google.golang.org/grpc@v1.59.0
1.83.1
public.ecr.aws/neuron/neuron-device-plugin:2.23.30.075a6d5ce3bd3
google.golang.org/grpc@v1.60.1
1.83.1

Open the chart page →

2,926
tfy-karpentertruefoundryVerified publisher0.5.111 of 3See more

tfy-karpenter truefoundry 0.5.11

1 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
public.ecr.aws/truefoundrycloud/eks/eks-node-monitoring-agent:v1.5.1-eksbuild.1988c8e1a273a
google.golang.org/grpc@v1.77.0
1.83.1

Open the chart page →

654
tfy-kservetruefoundryVerified publisher0.1.11 of 2See more

tfy-kserve truefoundry 0.1.1

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
kserve/kserve-controller:v0.10.022ff858b57c1
google.golang.org/grpc@v1.48.0
1.83.1

Open the chart page →

1,178
tfy-lokitruefoundryVerified publisher0.1.62 of 2See more

tfy-loki truefoundry 0.1.6

2 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/loki:2.9.1035b02acc6765
google.golang.org/grpc@v1.56.3
1.83.1
grafana/promtail:2.9.1063a2e57a5b14
google.golang.org/grpc@v1.56.3
1.83.1

Open the chart page →

2,829
truefoundry-monitoringtruefoundryVerified publisher0.1.62 of 8See more

truefoundry-monitoring truefoundry 0.1.6

2 of the 8 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
grafana/grafana:12.3.070d9599b186c
google.golang.org/grpc@v1.76.0
1.83.1
registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.18.01545919b72e3
google.golang.org/grpc@v1.75.1
1.83.1

Open the chart page →

4,600
twitter-apptwitter-helm0.1.122 of 8See more

twitter-app twitter-helm 0.1.12

2 of the 8 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
stakkato95/twitter-service-graphql:0.1.13cbe857234f2
google.golang.org/grpc@v1.46.2
1.83.1
stakkato95/twitter-service-users:0.1.1456049efee9a
google.golang.org/grpc@v1.46.2
1.83.1

Open the chart page →

6,150
tyk-control-planetyk-helm5.3.03 of 7See more

tyk-control-plane tyk-helm 5.3.0

3 of the 7 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/tyk-dashboard:v5.13.10e03b94c153d
google.golang.org/grpc@v1.80.0
1.83.1
tykio/tyk-gateway-ee:v5.13.13e907e675bf9
google.golang.org/grpc@v1.80.0
1.83.1
tykio/tyk-mdcb-docker:v2.12.0942a5b8bf847
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

3,266
tyk-dashboardtyk-helm5.3.01 of 1See more

tyk-dashboard tyk-helm 5.3.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/tyk-dashboard:v5.13.10e03b94c153d
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

815
tyk-data-planetyk-helm5.3.01 of 3See more

tyk-data-plane tyk-helm 5.3.0

1 of the 3 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/tyk-gateway-ee:v5.13.13e907e675bf9
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

1,011
tyk-dev-portaltyk-helm5.3.01 of 2See more

tyk-dev-portal tyk-helm 5.3.0

1 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/portal:v1.18.092509e00e618
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

916
tyk-mdcbtyk-helm5.3.01 of 1See more

tyk-mdcb tyk-helm 5.3.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/tyk-mdcb-docker:v2.12.0942a5b8bf847
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

166
tyk-stacktyk-helm5.3.02 of 7See more

tyk-stack tyk-helm 5.3.0

2 of the 7 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
tykio/tyk-dashboard:v5.13.10e03b94c153d
google.golang.org/grpc@v1.80.0
1.83.1
tykio/tyk-gateway-ee:v5.13.13e907e675bf9
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

3,200
typhoontyphoonVerified publisher0.2.32 of 2See more

typhoon typhoon 0.2.3

2 of the 2 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/zeiss/typhoon/controller:0.2.34fdf4edfda45
google.golang.org/grpc@v1.70.0
1.83.1
ghcr.io/zeiss/typhoon/typhoon-webhook:0.2.378f9b82050bc
google.golang.org/grpc@v1.70.0
1.83.1

Open the chart page →

1,690
miniouninettsigma21.2.01 of 1See more

minio uninettsigma2 1.2.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
sigma2as/minio:20240306-3a2e4f5c284ead9ec3e
google.golang.org/grpc@v1.50.1
1.83.1

Open the chart page →

4,995
opencloudunxwaresVerified publisher0.2.32 of 13See more

opencloud unxwares 0.2.3

2 of the 13 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
minio/minio:latest14cea493d9a3
google.golang.org/grpc@v1.71.0
1.83.1
opencloudeu/opencloud-rolling:2.1.0f9634bb04905
google.golang.org/grpc@v1.71.1
1.83.1

Open the chart page →

46,016
upcloud-csiupcloud-csiVerified publisher1.18.06 of 7See more

upcloud-csi upcloud-csi 1.18.0

6 of the 7 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
registry.k8s.io/sig-storage/csi-attacher:v4.12.0b9dc9a714a48
google.golang.org/grpc@v1.81.1
1.83.1
registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.17.0f9de845b1701
google.golang.org/grpc@v1.81.1
1.83.1
registry.k8s.io/sig-storage/csi-provisioner:v6.3.0a4b0b1a37605
google.golang.org/grpc@v1.81.1
1.83.1
registry.k8s.io/sig-storage/csi-resizer:v2.2.0a2d40c1c3ccb
google.golang.org/grpc@v1.79.3
1.83.1
registry.k8s.io/sig-storage/csi-snapshotter:v8.6.042af0929bcd6
google.golang.org/grpc@v1.81.1
1.83.1
registry.k8s.io/sig-storage/snapshot-controller:v8.6.081e79f205083
google.golang.org/grpc@v1.81.1
1.83.1

Open the chart page →

1,924
kiamuswitch6.1.21 of 1See more

kiam uswitch 6.1.2

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
quay.io/uswitch/kiam:v4.0be3a5846922d
google.golang.org/grpc@v1.34.0
1.83.1

Open the chart page →

2,973
proxyv2flyVerified publisher0.0.61 of 1See more

proxy v2fly 0.0.6

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
v2fly/v2fly-core:latestd06727b221fe
google.golang.org/grpc@v1.76.0
1.83.1

Open the chart page →

1,436
vald-benchmark-operatorvald1.8.01 of 1See more

vald-benchmark-operator vald 1.8.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
vdaas/vald-benchmark-operator:v1.8.006b4a9b4ab06
google.golang.org/grpc@v1.83.0
1.83.1

Open the chart page →

54
vald-operatorvald1.8.01 of 1See more

vald-operator vald 1.8.0

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
vdaas/vald-operator:latest0c3dcd4974f6
google.golang.org/grpc@v1.83.0
1.83.1

Open the chart page →

54
vals-operatorvals-operatorVerified publisher0.8.11 of 1See more

vals-operator vals-operator 0.8.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/digitalis-io/vals-operator:v0.8.17c776499b8c9
google.golang.org/grpc@v1.78.0
1.83.1

Open the chart page →

730
vault-raft-snapshot-agentvault-raft-snapshot-agentVerified publisher0.6.91 of 1See more

vault-raft-snapshot-agent vault-raft-snapshot-agent 0.6.9

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/argelbargel/vault-raft-snapshot-agent:v0.12.5345174727a2b
google.golang.org/grpc@v1.65.0
1.83.1

Open the chart page →

1,267
vault-sync-operatorvault-sync-operatorVerified publisher0.1.11 of 1See more

vault-sync-operator vault-sync-operator 0.1.1

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
ghcr.io/danieldonoghue/vault-sync-operator:v0.0.1-beta.38d7ec69a193c
google.golang.org/grpc@v1.80.0
1.83.1

Open the chart page →

277
devportalveecode-platform-nextVerified publisher0.1.231 of 1See more

devportal veecode-platform-next 0.1.23

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
veecode/devportaldigest-pinneda72cf5cb47b8
google.golang.org/grpc@v1.79.3
1.83.1

Open the chart page →

1,852
velero-clientvelero-clientVerified publisher1.4.21 of 1See more

velero-client velero-client 1.4.2

1 of the 1 container images this version deploys carry CVE-2026-84303.

Container imageDigestPackageFixed in
registry.gitlab.com/xrow-public/velero-client/velero-client:1.4.203015f863a3e
google.golang.org/grpc@v1.81.1
1.83.1

Open the chart page →

548

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
registry.k8s.io/sig-storage/hostpathplugin:v1.9.092257881c1d6
google.golang.org/grpc@v1.34.0
1.83.1
1
registry.k8s.io/sig-storage/livenessprobe:v2.9.02b10b24dafdc
google.golang.org/grpc@v1.49.0
1.83.1
1
registry.k8s.io/sig-storage/livenessprobe:v2.11.082adbebdf5d5
google.golang.org/grpc@v1.58.0
1.83.1
1
registry.k8s.io/sig-storage/nfsplugin:v4.13.41eb5a85180a4
google.golang.org/grpc@v1.79.3
1.83.1
1
registry.k8s.io/sig-storage/nfsplugin:v4.11.0ce5b5ccd5eb0
google.golang.org/grpc@v1.71.0
1.83.1
1
registry.k8s.io/sig-storage/objectstorage-sidecar:v0.2.2c7166a73a303
google.golang.org/grpc@v1.74.2
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.