CVE-2026-84303
MediumAdvisory
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
- 2,312
- of 17,828 indexed, latest versions
- Container images
- 2,773
- 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 2,312 of 17,828 indexed charts deploy, on 2,773 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| google.golang.org/ | v0.0.0-20160317175043-d3ddb4469d5a, v0.0.0-20170216003643-d0c32ee6a441, v1.10.0, v1.14.0+115 more | 1.83.1 | 2,769 |
| grpcdeb | 1.16.1-1ubuntu5, 1.51.1-4.1build5 | no fix listed | 4 |
- OSV records
- GHSA-qc2q-p7wx-3px3UBUNTU-CVE-2026-84303
- Also known as
- GO-2026-6441
Charts affected
2,312 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| xboardxboard | 0.2.0 | 1 of 1See more | 1,061 |
| xkopsxkops | 0.1.0 | 1 of 5See more | 13,934 |
| xonodepoolsxonodepoolsOfficialVerified publisher | 1.0.7 | 1 of 1See more | 402 |
| atlas-operatorxxl-job-adminVerified publisher | 0.7.11 | 1 of 1See more | 1,197 |
| fleet-managementxxl-job-adminVerified publisher | 1.0.0 | 1 of 1See more | 238 |
| kadalu-operatorxxl-job-adminVerified publisher | 1.2.4 | 1 of 4See more | 4,928 |
| nightingalexxl-job-adminVerified publisher | 0.2.11 | 2 of 6See more | 9,769 |
| ygdrassil-monitoringygdrassilVerified publisher | 0.4.0 | 2 of 10See more | 9,530 |
| matrixdb-operatorymatrixOfficialVerified publisher | 0.13.0 | 1 of 2See more | 1,966 |
| rawfile-csiymatrixVerified publisher | 0.2.1 | 4 of 4See more | 8,003 |
| prometheus-monitoring-stackyotron-helm-charts | 1.2.0 | 3 of 3See more | 936 |
| zahori-consulzahoriVerified publisher | 1.0.1 | 2 of 2See more | 5,077 |
Container images carrying it
2,773 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| quay.io/ | 5ce7540c3c00 | google.golang.org/ | 1.83.1 | 23 |
| registry.k8s.io/ | 1545919b72e3 | google.golang.org/ | 1.83.1 | 12 |
| registry.k8s.io/ | 42cfe3723a5f | google.golang.org/ | 1.83.1 | 12 |
| registry.k8s.io/ | f9de845b1701 | google.golang.org/ | 1.83.1 | 12 |
| registry.k8s.io/ | a4b0b1a37605 | google.golang.org/ | 1.83.1 | 10 |
| minio/ | 14cea493d9a3 | google.golang.org/ | 1.83.1 | 8 |
| registry.k8s.io/ | 85108987d044 | google.golang.org/ | 1.83.1 | 8 |
| cloudflare/ | b269e8abd07a | google.golang.org/ | 1.83.1 | 7 |
| wurstmeister/ | 2d4bbf9cc83d | google.golang.org/ | 1.83.1 | 7 |
| quay.io/ | 993e8c454a7e | google.golang.org/ | 1.83.1 | 7 |
| quay.io/ | 1dce27c494a1 | google.golang.org/ | 1.83.1 | 7 |
| quay.io/ | 4ec6df40fdb9 | google.golang.org/ | 1.83.1 | 7 |
| registry.k8s.io/ | 11f199f6bec4 | google.golang.org/ | 1.83.1 | 7 |
| registry.k8s.io/ | ab482308a492 | google.golang.org/ | 1.83.1 | 7 |
| registry.k8s.io/ | 589e525cddef | google.golang.org/ | 1.83.1 | 7 |
| registry.k8s.io/ | 5e7cbb63fd49 | google.golang.org/ | 1.83.1 | 7 |
| grafana/ | 69a5d2d957ca | google.golang.org/ | 1.83.1 | 6 |
| grafana/ | ac461fb352ab | google.golang.org/ | 1.83.1 | 6 |
| grafana/ | d72946c8e5d5 | google.golang.org/ | 1.83.1 | 6 |
| grafana/ | f772d434e8fa | google.golang.org/ | 1.83.1 | 6 |
| victoriametrics/ | 7310c4a80b94 | google.golang.org/ | 1.83.1 | 6 |
| ghcr.io/ | 76d28575b71c | google.golang.org/ | 1.83.1 | 6 |
| ghcr.io/ | 3ccc56791c8a | google.golang.org/ | 1.83.1 | 6 |
| quay.io/ | c8958d9533c7 | google.golang.org/ | 1.83.1 | 6 |
| quay.io/ | 2e4c14d1b444 | google.golang.org/ | 1.83.1 | 6 |
| quay.io/ | 2ad610626658 | google.golang.org/ | 1.83.1 | 6 |
| quay.io/ | fbeaef7a8566 | google.golang.org/ | 1.83.1 | 6 |
| quay.io/ | e753ff9f3fc4 | google.golang.org/ | 1.83.1 | 6 |
| registry.k8s.io/ | b9dc9a714a48 | google.golang.org/ | 1.83.1 | 6 |
| registry.k8s.io/ | f6717ce72a26 | google.golang.org/ | 1.83.1 | 6 |
| registry.k8s.io/ | bb057f866177 | google.golang.org/ | 1.83.1 | 6 |
| registry.k8s.io/ | 06da0d5b8908 | google.golang.org/ | 1.83.1 | 6 |
| dtzar/ | 55429449408e | google.golang.org/ | 1.83.1 | 5 |
| ethpandaops/ | 423ff2b7b568 | google.golang.org/ | 1.83.1 | 5 |
| ethpandaops/ | 74d4cf2c436c | google.golang.org/ | 1.83.1 | 5 |
| grafana/ | 1ff3999e0fc0 | google.golang.org/ | 1.83.1 | 5 |
| grafana/ | 65a578975943 | google.golang.org/ | 1.83.1 | 5 |
| keelhq/ | 73714afb4443 | google.golang.org/ | 1.83.1 | 5 |
| prom/ | 0a8caa2e9f19 | google.golang.org/ | 1.83.1 | 5 |
| rancher/ | 5f6c4dc52a05 | google.golang.org/ | 1.83.1 | 5 |
| rancher/ | f293af9c635f | google.golang.org/ | 1.83.1 | 5 |
| traefik/ | c4717a8d1f01 | google.golang.org/ | 1.83.1 | 5 |
| quay.io/ | 9f21034731c7 | google.golang.org/ | 1.83.1 | 5 |
| quay.io/ | e6df72478956 | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | b74b05b39501 | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | 04c55b93a032 | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | 6be9f63ca4ca | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | d078dc174323 | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | a2d40c1c3ccb | google.golang.org/ | 1.83.1 | 5 |
| registry.k8s.io/ | ea1d25e23479 | google.golang.org/ | 1.83.1 | 5 |