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 |
|---|---|---|---|---|
| longhornio/ | 9f6e5e3be8ab | google.golang.org/ | 1.83.1 | 1 |
| longhornio/ | cb9d6863e4c6 | google.golang.org/ | 1.83.1 | 1 |
| lotest/ | 859b0d36f371 | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 059b49d64739 | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 0b55bcb83a1c | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 3d632903e6af | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 4c364ef96aad | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 91e963bfda56 | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 96510915e6be | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | 9865163f92c1 | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | a4eab252e5a2 | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | a84767d7934f | google.golang.org/ | 1.83.1 | 1 |
| louislam/ | bc6f244ecf27 | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 12310cf52f79 | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 5114f08ab8ef | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 9a69862e1248 | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 82bf01d9ebec | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | dadac2a74be6 | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 9d83efc340cf | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 38aa8711c9ef | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 35d0b1ac053e | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 6420a6e7d6c2 | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | 93fd6ff1d62c | google.golang.org/ | 1.83.1 | 1 |
| lumenvox/ | c961fe78e2ca | google.golang.org/ | 1.83.1 | 1 |
| machines/ | 0b8fc005e52e | google.golang.org/ | 1.83.1 | 1 |
| mantlenetworkio/ | 6bf383d14291 | google.golang.org/ | 1.83.1 | 1 |
| maponyacharles/ | 7c8a525f08e9 | google.golang.org/ | 1.83.1 | 1 |
| matrixdb/ | 7e9ffe249a51 | google.golang.org/ | 1.83.1 | 1 |
| matrixdb/ | ed3c7e6291e8 | google.golang.org/ | 1.83.1 | 1 |
| matrixdb/ | 95b2e38e913d | google.golang.org/ | 1.83.1 | 1 |
| matrixdb/ | ba763bb01ddc | google.golang.org/ | 1.83.1 | 1 |
| matrixdb/ | 7ab06fe3d8a7 | google.golang.org/ | 1.83.1 | 1 |
| mattermost/ | b440b282599e | google.golang.org/ | 1.83.1 | 1 |
| mattermost/ | 6268954edd67 | google.golang.org/ | 1.83.1 | 1 |
| mattermost/ | ca5e5553a767 | google.golang.org/ | 1.83.1 | 1 |
| mattermost/ | 45c53061c74e | google.golang.org/ | 1.83.1 | 1 |
| mattermost/ | a27058aaa53a | google.golang.org/ | 1.83.1 | 1 |
| mavrick1/ | 45ca0429a1d4 | google.golang.org/ | 1.83.1 | 1 |
| megaease/ | fad1c7452958 | google.golang.org/ | 1.83.1 | 1 |
| meshery/ | 0d245bc8b5c6 | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | b093d78a21ed | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | 1b2dd9c0b0fc | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | 63bc411b930b | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | b036785a8862 | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | f9b769c65e24 | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | 94af41b6dd9a | google.golang.org/ | 1.83.1 | 1 |
| mesosphere/ | 4fd8889195fe | google.golang.org/ | 1.83.1 | 1 |
| migrate/ | 76cc2074cb66 | google.golang.org/ | 1.83.1 | 1 |
| mikejoh/ | 5c5a3b734271 | google.golang.org/ | 1.83.1 | 1 |
| milvusdb/ | 102aac62827b | google.golang.org/ | 1.83.1 | 1 |