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
- 2,232
- of 17,803 indexed, latest versions
- Container images
- 2,708
- 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 2,232 of 17,803 indexed charts deploy, on 2,708 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+114 more | 1.83.1 | 2,705 |
| grpcdeb | 1.16.1-1ubuntu5, 1.51.1-4.1build5 | no fix listed | 3 |
- OSV records
- GHSA-qc2q-p7wx-3px3UBUNTU-CVE-2026-84303
- Also known as
- GO-2026-6441
Charts affected
2,232 by stars
| Chart | Latest | Affected images | Radar Score |
|---|
Container images carrying it
2,708 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| envoyproxy/ | 71081616da3e | google.golang.org/ | 1.83.1 | 1 |
| envoyproxy/ | b6cb6e16f8c9 | google.golang.org/ | 1.83.1 | 1 |
| envoyproxy/ | ede09a75a84c | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | 93417e18bb1a | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | 924939850655 | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | a5398eaa7b80 | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | 9fede333ef27 | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | 661d1648a49a | google.golang.org/ | 1.83.1 | 1 |
| epamedp/ | 67d896676f45 | google.golang.org/ | 1.83.1 | 1 |
| erigontech/ | 2252efdf9abe | google.golang.org/ | 1.83.1 | 1 |
| erigontech/ | 88706754b627 | google.golang.org/ | 1.83.1 | 1 |
| ethereum/ | 37575ec10fbc | google.golang.org/ | 1.83.1 | 1 |
| ethereum/ | b8ab3451a117 | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | 9dc0b50e6c27 | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | c0e6cc6542c1 | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | 1edd4074fd79 | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | c937f4ba737c | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | c0b30fcf64bc | google.golang.org/ | 1.83.1 | 1 |
| ethpandaops/ | f7dec2e07091 | google.golang.org/ | 1.83.1 | 1 |
| evcc/ | ddf2a25afce5 | google.golang.org/ | 1.83.1 | 1 |
| factly/ | 384d384310ef | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | d0cfe422d6ac | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | 0eeb79adc580 | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | 7df783d5269a | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | 8a99fcc57a57 | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | 1976da721518 | google.golang.org/ | 1.83.1 | 1 |
| falcosecurity/ | 828ee36cb13a | google.golang.org/ | 1.83.1 | 1 |
| farmer1992/ | e0064b824403 | google.golang.org/ | 1.83.1 | 1 |
| fatliverfreddy/ | e79f24ca7371 | google.golang.org/ | 1.83.1 | 1 |
| flanksource/ | 1dacc3195bf9 | google.golang.org/ | 1.83.1 | 1 |
| flanksource/ | 689687a7cf95 | google.golang.org/ | 1.83.1 | 1 |
| flanksource/ | bd3294c20a60 | google.golang.org/ | 1.83.1 | 1 |
| flashcatcloud/ | 42e6ab16472e | google.golang.org/ | 1.83.1 | 1 |
| fleetdm/ | 12e644b7f40e | google.golang.org/ | 1.83.1 | 1 |
| flomesh/ | 22f849c70b25 | google.golang.org/ | 1.83.1 | 1 |
| flomesh/ | b188e128cbfe | google.golang.org/ | 1.83.1 | 1 |
| flomesh/ | add7a4da4622 | google.golang.org/ | 1.83.1 | 1 |
| flomesh/ | 47287e3ad324 | google.golang.org/ | 1.83.1 | 1 |
| fluxcd/ | 704d55295355 | google.golang.org/ | 1.83.1 | 1 |
| fluxcd/ | 92b891e495d8 | google.golang.org/ | 1.83.1 | 1 |
| fluxcd/ | 31a8c79a6803 | google.golang.org/ | 1.83.1 | 1 |
| fluxninja/ | 356d7aa86632 | google.golang.org/ | 1.83.1 | 1 |
| foomo/ | 824f41463e9b | google.golang.org/ | 1.83.1 | 1 |
| fortio/ | fc8221136fe2 | google.golang.org/ | 1.83.1 | 1 |
| fosrl/ | ccd2b0e9a049 | google.golang.org/ | 1.83.1 | 1 |
| foxcpp/ | 6ab538e2f28b | google.golang.org/ | 1.83.1 | 1 |
| foxcpp/ | a4b839985b9b | google.golang.org/ | 1.83.1 | 1 |
| foxcpp/ | eeb5813fc4d1 | google.golang.org/ | 1.83.1 | 1 |
| galaxy/ | e5c265fe9fcd | google.golang.org/ | 1.83.1 | 1 |
| galaxy/ | e50a890e24c9 | google.golang.org/ | 1.83.1 | 1 |