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 |
|---|---|---|---|---|
| istio/ | aef4825e110f | google.golang.org/ | 1.83.1 | 2 |
| istio/ | 137e44e3d1d2 | google.golang.org/ | 1.83.1 | 2 |
| istio/ | 757d28c24100 | google.golang.org/ | 1.83.1 | 2 |
| istio/ | a78b7a165744 | google.golang.org/ | 1.83.1 | 2 |
| jaegertracing/ | 04d224a9999b | google.golang.org/ | 1.83.1 | 2 |
| k0sproject/ | f04635825d51 | google.golang.org/ | 1.83.1 | 2 |
| kong/ | 979f12864a13 | google.golang.org/ | 1.83.1 | 2 |
| kurento/ | 03c0d34d0828 | grpc | no fix listed | 2 |
| library/ | 5f5c8640aae0 | google.golang.org/ | 1.83.1 | 2 |
| library/ | df7f1c2fb114 | google.golang.org/ | 1.83.1 | 2 |
| library/ | 5efed980cba3 | google.golang.org/ | 1.83.1 | 2 |
| library/ | 44a366dd7724 | google.golang.org/ | 1.83.1 | 2 |
| library/ | b8d940ca9376 | google.golang.org/ | 1.83.1 | 2 |
| library/ | 6b9cbca6fac4 | google.golang.org/ | 1.83.1 | 2 |
| library/ | 7d5a6ae66572 | google.golang.org/ | 1.83.1 | 2 |
| lightninglabs/ | f86bbec4dfb3 | google.golang.org/ | 1.83.1 | 2 |
| longhornio/ | 83b79f57043f | google.golang.org/ | 1.83.1 | 2 |
| longhornio/ | efaf47aeb4e8 | google.golang.org/ | 1.83.1 | 2 |
| louislam/ | 9aeb4e51d038 | google.golang.org/ | 1.83.1 | 2 |
| louislam/ | a8610b3b4c38 | google.golang.org/ | 1.83.1 | 2 |
| mattermost/ | b8bd1246cb3a | google.golang.org/ | 1.83.1 | 2 |
| meshery/ | 44b64ee128fb | google.golang.org/ | 1.83.1 | 2 |
| minio/ | bf85c57cdfcc | google.golang.org/ | 1.83.1 | 2 |
| moby/ | 504731e577c2 | google.golang.org/ | 1.83.1 | 2 |
| netapp/ | cd0c18d8f9ec | google.golang.org/ | 1.83.1 | 2 |
| obolnetwork/ | 278c7e2897b6 | google.golang.org/ | 1.83.1 | 2 |
| opencloudeu/ | f9634bb04905 | google.golang.org/ | 1.83.1 | 2 |
| openebs/ | c86c06f1ce6a | google.golang.org/ | 1.83.1 | 2 |
| openebs/ | f6c18b0f8c8a | google.golang.org/ | 1.83.1 | 2 |
| openebs/ | 99f5116f5cb8 | google.golang.org/ | 1.83.1 | 2 |
| openebs/ | aea39e49bb97 | google.golang.org/ | 1.83.1 | 2 |
| openpolicyagent/ | 825370bdb3c3 | google.golang.org/ | 1.83.1 | 2 |
| oryd/ | d06fc5845f63 | google.golang.org/ | 1.83.1 | 2 |
| oryd/ | fe2428f103a6 | google.golang.org/ | 1.83.1 | 2 |
| oryd/ | e8cb9b79a89c | google.golang.org/ | 1.83.1 | 2 |
| otel/ | 125bdbeb7590 | google.golang.org/ | 1.83.1 | 2 |
| otel/ | 7ef2a2ff46b9 | google.golang.org/ | 1.83.1 | 2 |
| otel/ | 32b3c8296dcc | google.golang.org/ | 1.83.1 | 2 |
| place1/ | 2b2f3ea80ed6 | google.golang.org/ | 1.83.1 | 2 |
| polyaxon/ | 2716f552b301 | google.golang.org/ | 1.83.1 | 2 |
| prom/ | 42d2395cd719 | google.golang.org/ | 1.83.1 | 2 |
| prom/ | 5c435642ca4d | google.golang.org/ | 1.83.1 | 2 |
| prom/ | 8176adea328e | google.golang.org/ | 1.83.1 | 2 |
| prom/ | a67e5e402ff5 | google.golang.org/ | 1.83.1 | 2 |
| prom/ | d43417c260e5 | google.golang.org/ | 1.83.1 | 2 |
| qingcloud/ | 4cd5366a9f51 | google.golang.org/ | 1.83.1 | 2 |
| rancher/ | 9380f5dbae9a | google.golang.org/ | 1.83.1 | 2 |
| rancher/ | 12889bbcd1e8 | google.golang.org/ | 1.83.1 | 2 |
| rclone/ | 74c51b8817e5 | google.golang.org/ | 1.83.1 | 2 |
| rookout/ | 4451a6f6b8ec | google.golang.org/ | 1.83.1 | 2 |