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
2,252
of 17,803 indexed, latest versions
Container images
2,727
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 2,252 of 17,803 indexed charts deploy, on 2,727 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 more1.83.12,723
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

2,252 by stars
ChartLatestAffected imagesRadar Score
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 →

5,076

Container images carrying it

2,727 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
rqlite/rqlite:9.1.37b992a526eee
google.golang.org/grpc@v1.76.0
1.83.1
1
runatlantis/atlantis:v0.16.145fbaf7e207c
google.golang.org/grpc@v1.21.1
1.83.1
1
ruslanguns/metadata-injector-operator:v0.0.16c77e4675e07
google.golang.org/grpc@v1.65.0
1.83.1
1
ryuunosukeds3/orbital:latest0879f7261b10
google.golang.org/grpc@v1.70.0
1.83.1
1
sablierapp/sablier:1.16.1413704376656
google.golang.org/grpc@v1.82.1
1.83.1
1
sarwansharma/minio:v359d1da9385d1
google.golang.org/grpc@v1.46.0
1.83.1
1
scaleway/cert-manager-webhook-scaleway:v0.1.36d94c970e710
google.golang.org/grpc@v1.82.1
1.83.1
1
scaleway/scaleway-csi:v0.3.411135998e31c
google.golang.org/grpc@v1.73.0
1.83.1
1
scaleway/scaleway-secrets-store-csi:v0.1.19acc53a69962
google.golang.org/grpc@v1.83.0
1.83.1
1
sealio/terraform-deployer:v1.5.7-seal.1b0389d9848a5
google.golang.org/grpc@v1.53.0
1.83.1
1
seatsurfing/backend:1.119.39952e80048b0
google.golang.org/grpc@v1.82.1
1.83.1
1
securesystemsengineering/connaisseur:v3.12.038918befbdad
google.golang.org/grpc@v1.82.1
1.83.1
1
semaphoreui/semaphore:latest:v2.19.123996804607eb
google.golang.org/grpc@v1.76.0
1.83.1
1
semaphoreui/semaphore:v2.19.1498ad9bc7a2a0
google.golang.org/grpc@v1.76.0
1.83.1
1
semaphoreui/semaphore:v2.18.3e9260bfa8255
google.golang.org/grpc@v1.59.0
1.83.1
1
semitechnologies/weaviate:1.19.17a00d226f063
google.golang.org/grpc@v1.47.0
1.83.1
1
sigma2as/minio:20240306-3a2e4f5c284ead9ec3e
google.golang.org/grpc@v1.50.1
1.83.1
1
signoz/signoz:v0.142.149501b04d77a
google.golang.org/grpc@v1.82.1
1.83.1
1
sikalabs/slu:v0.72.07bd267f30247
google.golang.org/grpc@v1.59.0
1.83.1
1
silkeh/alertmanager_matrix:0.6.1900010497f8c
google.golang.org/grpc@v1.78.0
1.83.1
1
simpleidserver/faasprometheus:0.0.425e378d57d78
google.golang.org/grpc@v1.40.0
1.83.1
1
sirrend/helmup-engine:0.1.13699e79e3d4e2
google.golang.org/grpc@v1.58.3
1.83.1
1
sky5367/locust-plugins-grafana:latestd51bf68d4b26
google.golang.org/grpc@v1.62.1
1.83.1
1
skylenet/ethereum-testnet-homepage:latest8698903e379f
google.golang.org/grpc@v1.39.0
1.83.1
1
snyk/kubernetes-monitor:2.23.26fb5ad76ce84e
google.golang.org/grpc@v1.80.0
1.83.1
1
softonic/homing-pigeon:0.9.6f26d467b7b82
google.golang.org/grpc@v1.73.0
1.83.1
1
solarwinds/solarwinds-otel-collector:0.152.3-k8s3c1110e8bdfb
google.golang.org/grpc@v1.81.1
1.83.1
1
someblackmagic/k8s-testing-multitool:v0.1.06eca64b6b440
google.golang.org/grpc@v1.43.0
1.83.1
1
sorintlab/stolon:v0.16.0-pg1236b45c0f97fc
google.golang.org/grpc@v1.23.1
1.83.1
1
sstarcher/helm-exporter:0.5.011769d01ba35
google.golang.org/grpc@v1.24.0
1.83.1
1
stakater/workshop-operator:v0.0.3897bf456cc97c
google.golang.org/grpc@v1.29.1
1.83.1
1
stakkato95/twitter-service-graphql:0.1.13cbe857234f2
google.golang.org/grpc@v1.46.2
1.83.1
1
stakkato95/twitter-service-users:0.1.1456049efee9a
google.golang.org/grpc@v1.46.2
1.83.1
1
stashapp/stash-box:latesta534c8afdf39
google.golang.org/grpc@v1.68.1
1.83.1
1
stevenweathers/thunderdome-planning-poker:latestc7eb7b10f186
google.golang.org/grpc@v1.79.3
1.83.1
1
streamnative/apache-pulsar-grafana-dashboard-k8s:0.0.1611bceacec8fb
google.golang.org/grpc@v1.35.0
1.83.1
1
streamnative/apache-pulsar-grafana-dashboard-k8s:0.0.10ebcf7f033b54
google.golang.org/grpc@v1.23.1
1.83.1
1
streamnative/function-mesh:v0.28.077939c8aa269
google.golang.org/grpc@v1.79.3
1.83.1
1
streamnative/pulsar-resources-operator:v0.21.11886043c24d0
google.golang.org/grpc@v1.82.1
1.83.1
1
streamnative/pulsar_vault_init:v1.0.731533fa9fab7
google.golang.org/grpc@v1.44.0
1.83.1
1
su541/cert-manager-desec-webhook:latest371ee33f83c1
google.golang.org/grpc@v1.51.0
1.83.1
1
supabase/gotrue:v2.189.0385184459f57
google.golang.org/grpc@v1.78.0
1.83.1
1
supabase/gotrue:v2.91.07174d551d720
google.golang.org/grpc@v1.53.0
1.83.1
1
supabase/gotrue:v2.163.0ba4ddc594b0b
google.golang.org/grpc@v1.63.2
1.83.1
1
superseriousbusiness/gotosocial:0.22.10078ca451dda
google.golang.org/grpc@v1.81.1
1.83.1
1
surajwarbhe/grafana:v185248611e9f1
google.golang.org/grpc@v1.27.1
1.83.1
1
svtechnmaa/svtech_grafana:v1.2.21d71314424aa
google.golang.org/grpc@v1.45.0
1.83.1
1
svtechnmaa/svtech_rundeck:v1.2.26e368ace0977
google.golang.org/grpc@v1.53.0
1.83.1
1
sysadminsmedia/homebox:0.26.056e880b62309
google.golang.org/grpc@v1.81.1
1.83.1
1
tailwarden/komiser:3.1.103f68c8ae7993
google.golang.org/grpc@v1.56.3
1.83.1
1

syft 1.42.1 · advisories as of 18 Sept 2026

Corrections: contact@stackradar.io

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