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
- 2,276
- of 17,828 indexed, latest versions
- Container images
- 2,733
- 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 2,276 of 17,828 indexed charts deploy, on 2,733 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 | 2,730 |
| 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
2,276 by stars
| Chart | Latest | Affected images | Radar Score |
|---|
Container images carrying it
2,733 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| flomesh/ | add7a4da4622 | google.golang.org/ | 1.83.1 | 1 |
| flomesh/ | 47287e3ad324 | 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 |
| garethgeorge/ | b85297975428 | google.golang.org/ | 1.83.1 | 1 |
| gboxproxy/ | 3a9f4a711d5c | google.golang.org/ | 1.83.1 | 1 |
| gdxbsv/ | 675693335054 | google.golang.org/ | 1.83.1 | 1 |
| getconvoy/ | f4934cc05e31 | google.golang.org/ | 1.83.1 | 1 |
| gidoichi/ | 2dd5322a0610 | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 6120b1165f3a | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 1c17ecaead42 | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 34e3f6b75f5c | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 76f516a1a8c2 | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 7d13848af126 | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | 87a67ee09d3a | google.golang.org/ | 1.83.1 | 1 |
| gitea/ | ac73e0da341f | google.golang.org/ | 1.83.1 | 1 |
| gitlab/ | 860d4a3fec7a | google.golang.org/ | 1.83.1 | 1 |
| gitlab/ | fd7e5dfb9f30 | google.golang.org/ | 1.83.1 | 1 |
| goalert/ | 08d57388b0cb | google.golang.org/ | 1.83.1 | 1 |
| gobitfly/ | 1d08a7986348 | google.golang.org/ | 1.83.1 | 1 |
| goccx/ | f4b3ebea0303 | google.golang.org/ | 1.83.1 | 1 |
| gocrane/ | a1400909118c | google.golang.org/ | 1.83.1 | 1 |
| gocrane/ | 9ba6d11b2079 | google.golang.org/ | 1.83.1 | 1 |
| gogost/ | f7a958c45192 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 6ab3ca28e9e5 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 451103a6c8d8 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 6412d679fdc3 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 86bf3031f4a7 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | a30e5a8be3d9 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | c017dd84ee96 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 39435daedd0c | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 8d5339ff2d74 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | e2b0298e894d | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 7f82ed1e2635 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | cce272836449 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | ddf6bb429eb6 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | fd91a4a1273f | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | a92b51aa7d6e | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | 5c6f7162804c | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | b9522c3f5056 | google.golang.org/ | 1.83.1 | 1 |
| goharbor/ | dc5b882a7db4 | google.golang.org/ | 1.83.1 | 1 |