CVE-2026-84303
MediumAdvisory
Published 2 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
- 2,288
- of 17,790 indexed, latest versions
- Container images
- 2,765
- 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 2,288 of 17,790 indexed charts deploy, on 2,765 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 | 2,761 |
| 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
- Trending
- Rank 47 in indexed charts, since 9 Sept 2026. See the ranking →
Charts affected
2,288 by stars
Container images carrying it
2,765 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| grafana/ | 1ee60f980950 | google.golang.org/ | 1.83.1 | 4 |
| grafana/ | 3c8fd3570dd9 | google.golang.org/ | 1.83.1 | 4 |
| grafana/ | 65a578975943 | google.golang.org/ | 1.83.1 | 4 |
| hyperledger/ | a70b6ba64a08 | google.golang.org/ | 1.83.1 | 4 |
| hyperledger/ | 6ec3fe59ea55 | google.golang.org/ | 1.83.1 | 4 |
| hyperledger/ | 6ff36af21eb1 | google.golang.org/ | 1.83.1 | 4 |
| hyperledger/ | b1194f509085 | google.golang.org/ | 1.83.1 | 4 |
| jaegertracing/ | 0214a0ef24b1 | google.golang.org/ | 1.83.1 | 4 |
| jaegertracing/ | 7f1269222903 | google.golang.org/ | 1.83.1 | 4 |
| jaegertracing/ | 049bb0d64ea3 | google.golang.org/ | 1.83.1 | 4 |
| library/ | 1be55279f18a | google.golang.org/ | 1.83.1 | 4 |
| rancher/ | 5f6c4dc52a05 | google.golang.org/ | 1.83.1 | 4 |
| rancher/ | f293af9c635f | google.golang.org/ | 1.83.1 | 4 |
| victoriametrics/ | 7310c4a80b94 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 93fa0daf603c | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 5d1182ac21f0 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 9506a6cb98d1 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 6d4c9fe66e4f | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 824d6d78d451 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | f7dcade6523b | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 43e01ed32486 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | ab2e1fa19dd4 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | e5232e8c9122 | google.golang.org/ | 1.83.1 | 4 |
| ghcr.io/ | 5217e3d1fc70 | google.golang.org/ | 1.83.1 | 4 |
| quay.io/ | 6b83f55bd99e | google.golang.org/ | 1.83.1 | 4 |
| quay.io/ | c10bde7ff9ad | google.golang.org/ | 1.83.1 | 4 |
| quay.io/ | 48ea4a77dfa7 | google.golang.org/ | 1.83.1 | 4 |
| quay.io/ | b567818fe608 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | e750cd4b43f7 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | d9862115e7c7 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | 932eae60e2bc | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | 69888dba5815 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | d7138bcc3aa5 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | bf5a235b67d8 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | 88092d100909 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | c4cc074199c0 | google.golang.org/ | 1.83.1 | 4 |
| registry.k8s.io/ | 81e79f205083 | google.golang.org/ | 1.83.1 | 4 |
| argoproj/ | 830e86cacefd | google.golang.org/ | 1.83.1 | 3 |
| caddy/ | 18d1366fc0e9 | google.golang.org/ | 1.83.1 | 3 |
| cloudflare/ | 51c9cefcb456 | google.golang.org/ | 1.83.1 | 3 |
| cloudflare/ | b269e8abd07a | google.golang.org/ | 1.83.1 | 3 |
| cloudpirates/ | 8dc02a7e5093 | google.golang.org/ | 1.83.1 | 3 |
| csiplugin/ | 36c31f7e1f43 | google.golang.org/ | 1.83.1 | 3 |
| csiplugin/ | 51f2dfde5bcc | google.golang.org/ | 1.83.1 | 3 |
| dgraph/ | 3b55ea83fffe | google.golang.org/ | 1.83.1 | 3 |
| envoyproxy/ | 156b7d32c73b | google.golang.org/ | 1.83.1 | 3 |
| ethpandaops/ | d8514b9f4c59 | google.golang.org/ | 1.83.1 | 3 |
| goharbor/ | d7b780d23721 | google.golang.org/ | 1.83.1 | 3 |
| goharbor/ | f71a4452a095 | google.golang.org/ | 1.83.1 | 3 |
| goharbor/ | 223d5cb49d5d | google.golang.org/ | 1.83.1 | 3 |