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
- 2,252
- 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 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 | 2,723 |
| 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
2,252 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| prometheus-monitoring-stackyotron-helm-charts | 1.2.0 | 3 of 3See more | 936 |
| zahori-consulzahoriVerified publisher | 1.0.1 | 2 of 2See more | 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 image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| gresearch/ | 393aff4aa8f2 | google.golang.org/ | 1.83.1 | 1 |
| gresearch/ | f5e3226f1d33 | google.golang.org/ | 1.83.1 | 1 |
| gresearch/ | 3df14cda1855 | google.golang.org/ | 1.83.1 | 1 |
| gresearch/ | 6141a6213fcb | google.golang.org/ | 1.83.1 | 1 |
| gresearch/ | 16d1228220fc | google.golang.org/ | 1.83.1 | 1 |
| grpl/ | c00aafee6629 | google.golang.org/ | 1.83.1 | 1 |
| hammerspaceinc/ | 395bee4504fc | google.golang.org/ | 1.83.1 | 1 |
| haproxytech/ | 1fe3f201ebb5 | google.golang.org/ | 1.83.1 | 1 |
| haproxytech/ | b9bffe2d0fd1 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 339b78b61750 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 37bf86488b74 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 76a201954ca0 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | fb70bd9210ff | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 712fe02d2f84 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | ddff34041c5c | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 0e4452f0f265 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 62bed1bf8106 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 4dcb45513699 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | b77efab1a448 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 0b01ed3924e6 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 755355002715 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | b2177a8bfe85 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | bbb7f98dc67d | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | dfc3500beb0e | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 458c842add32 | google.golang.org/ | 1.83.1 | 1 |
| hashicorp/ | 97d521a27498 | google.golang.org/ | 1.83.1 | 1 |
| hauler/ | 4671f9bb6c5a | google.golang.org/ | 1.83.1 | 1 |
| hazelcast/ | 2783cd66846d | google.golang.org/ | 1.83.1 | 1 |
| hbahadorzadeh/ | bf9756b3bc47 | google.golang.org/ | 1.83.1 | 1 |
| headscale/ | a7a8ae9616bb | google.golang.org/ | 1.83.1 | 1 |
| headscale/ | cd37b3001857 | google.golang.org/ | 1.83.1 | 1 |
| hetzner/ | b64db89ba4c1 | google.golang.org/ | 1.83.1 | 1 |
| hetznercloud/ | 8c07e6d7a76c | google.golang.org/ | 1.83.1 | 1 |
| hetznercloud/ | ed5ee5f83973 | google.golang.org/ | 1.83.1 | 1 |
| hetznercloud/ | 1475d525f9a4 | google.golang.org/ | 1.83.1 | 1 |
| hetznercloud/ | 41dce5b33644 | google.golang.org/ | 1.83.1 | 1 |
| hetznercloud/ | b7ed90d5fab2 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 0e36d98402bc | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | b5048c6342ce | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 2fbf9f264498 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 4f43130f51e5 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | b0b85f8942c7 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 50c07b84f298 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 836a37641941 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 958b7ebb4eb4 | google.golang.org/ | 1.83.1 | 1 |
| hiversh/ | 63a5ae179a9f | google.golang.org/ | 1.83.1 | 1 |
| hkotel/ | 3c04c0e85039 | google.golang.org/ | 1.83.1 | 1 |
| hoppscotch/ | 538fe6ded4b6 | google.golang.org/ | 1.83.1 | 1 |
| hoppscotch/ | d50725df661f | google.golang.org/ | 1.83.1 | 1 |
| huacnlee/ | 560be93229a5 | google.golang.org/ | 1.83.1 | 1 |