CVE-2026-84304

High

Advisory

Published 1 Sept 2026In the index since 5 Sept 2026

Severity: High; worst across findings
CVSS: 8.7; base score, highest
EPSS: 0.004; 35th 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: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

Carried by container images the latest versions of 2,305 of 17,813 indexed charts deploy, on 2,756 images.

Affected package	Affected versions	Fixed in	Images
google.golang.org/grpcgolang	v0.0.0-20160317175043-d3ddb4469d5a, v0.0.0-20170216003643-d0c32ee6a441, v1.10.0, v1.14.0+115 more	1.83.1	2,752
grpcdeb	1.16.1-1ubuntu5, 1.51.1-4.1build5	no fix listed	4

OSV records: GHSA-vp52-pcj8-j9qc UBUNTU-CVE-2026-84304
Also known as: GO-2026-6348

Charts affected

2,305 by stars

Chart

Latest

Affected images

Radar Score

ygdrassil-monitoringygdrassil

0.4.0

2 of 10 See more

ygdrassil-monitoring ygdrassil 0.4.0

2 of the 10 container images this version deploys carry CVE-2026-84304.

Container image	Digest	Package	Fixed in
grafana/grafana :11.5.1	5781759b3d27	google.golang.org/grpc@v1.69.2	1.83.1
quay.io/prometheus/prometheus :v3.1.0	6559acbd5d77	google.golang.org/grpc@v1.69.0	1.83.1

Open the chart page →

9,526

matrixdb-operatorymatrix

0.13.0

1 of 2 See more

matrixdb-operator ymatrix 0.13.0

1 of the 2 container images this version deploys carry CVE-2026-84304.

Container image	Digest	Package	Fixed in
matrixdb/kubebuilder_kube-rbac-proxy :v0.12.0	ed3c7e6291e8	google.golang.org/grpc@v1.40.0	1.83.1

Open the chart page →

1,966

rawfile-csiymatrix

0.2.1

4 of 4 See more

rawfile-csi ymatrix 0.2.1

4 of the 4 container images this version deploys carry CVE-2026-84304.

Container image	Digest	Package	Fixed in
matrixdb/custom-external-provisioner :4622a07d7-20220424	7e9ffe249a51	google.golang.org/grpc@v1.40.0	1.83.1
matrixdb/rawfile-csi :v0.2.1	95b2e38e913d	google.golang.org/grpc@v1.45.0	1.83.1
matrixdb/sig-storage_csi-node-driver-registrar :v2.2.0	ba763bb01ddc	google.golang.org/grpc@v1.36.0	1.83.1
matrixdb/sig-storage_livenessprobe :v2.3.0	7ab06fe3d8a7	google.golang.org/grpc@v1.36.0	1.83.1

Open the chart page →

8,002

prometheus-monitoring-stackyotron-helm-charts

1.2.0

3 of 3 See more

prometheus-monitoring-stack yotron-helm-charts 1.2.0

3 of the 3 container images this version deploys carry CVE-2026-84304.

Container image	Digest	Package	Fixed in
grafana/grafana :latest	f772d434e8fa	google.golang.org/grpc@v1.81.1	1.83.1
quay.io/prometheus/alertmanager :latest	690c7b525f43	google.golang.org/grpc@v1.82.1	1.83.1
quay.io/prometheus/prometheus :latest	5ce7540c3c00	google.golang.org/grpc@v1.82.1	1.83.1

Open the chart page →

936

zahori-consulzahori

1.0.1

2 of 2 See more

zahori-consul zahori 1.0.1

2 of the 2 container images this version deploys carry CVE-2026-84304.

Container image	Digest	Package	Fixed in
hashicorp/consul :1.15.3	ddff34041c5c	google.golang.org/grpc@v1.49.0	1.83.1
hashicorp/consul-k8s-control-plane :1.1.2	62bed1bf8106	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 image	Digest	Package	Fixed in	Used by
registry.k8s.io/sig-storage/hostpathplugin :v1.9.0	92257881c1d6	google.golang.org/grpc@v1.34.0	1.83.1	1
registry.k8s.io/sig-storage/livenessprobe :v2.9.0	2b10b24dafdc	google.golang.org/grpc@v1.49.0	1.83.1	1
registry.k8s.io/sig-storage/livenessprobe :v2.11.0	82adbebdf5d5	google.golang.org/grpc@v1.58.0	1.83.1	1
registry.k8s.io/sig-storage/nfsplugin :v4.13.4	1eb5a85180a4	google.golang.org/grpc@v1.79.3	1.83.1	1
registry.k8s.io/sig-storage/nfsplugin :v4.11.0	ce5b5ccd5eb0	google.golang.org/grpc@v1.71.0	1.83.1	1
registry.k8s.io/sig-storage/objectstorage-sidecar :v0.2.2	c7166a73a303	google.golang.org/grpc@v1.74.2	1.83.1	1