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
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 |
|---|---|---|---|---|
| kubesphere/ | ed7311a0f9e4 | google.golang.org/ | 1.83.1 | 1 |
| kubesphere/ | 8d1ed5ee1d2e | google.golang.org/ | 1.83.1 | 1 |
| kubevious/ | 6233e84bdd59 | google.golang.org/ | 1.83.1 | 1 |
| kubevip/ | f8f4e3401f76 | google.golang.org/ | 1.83.1 | 1 |
| kubevirtmanager/ | 1b98f1b5977a | google.golang.org/ | 1.83.1 | 1 |
| kusionstack/ | 65e3c32b64d7 | google.golang.org/ | 1.83.1 | 1 |
| kusionstack/ | b707d3bf0abd | google.golang.org/ | 1.83.1 | 1 |
| kusionstack/ | 126c8f0b0976 | google.golang.org/ | 1.83.1 | 1 |
| kvalitetsit/ | 0e66907ea266 | google.golang.org/ | 1.83.1 | 1 |
| kvalitetsit/ | f57e7553f5bd | google.golang.org/ | 1.83.1 | 1 |
| kvalitetsit/ | 84ab59a1434e | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | bf8027ddccf3 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | dcefa5f7c47c | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | e99aed151fc5 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | a9b91fd62c94 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | c392a36a4ef7 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 9e314c29a61f | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 1848d8f1f144 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 6f4e0e5f6e5a | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | d2b8df196d08 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 207b343013a0 | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 3c694329357b | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | 8269050f192e | google.golang.org/ | 1.83.1 | 1 |
| langgenius/ | da995c129e2f | google.golang.org/ | 1.83.1 | 1 |
| launchdarkly/ | 8fc1437962a9 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 78a8be21bef3 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 77d59943b3d6 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 25a4cc38abcd | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 8c20a8a1d6a4 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | fde47c141ec6 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 9d25f029a8a2 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | b99c73bac1f5 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | b3864dfd47ad | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | ebd6a8faf21f | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | ec898e5786c6 | google.golang.org/ | 1.83.1 | 1 |
| layer5/ | 797fa7a03570 | google.golang.org/ | 1.83.1 | 1 |
| library/ | 13ba145cba2f | google.golang.org/ | 1.83.1 | 1 |
| library/ | 60fb54d36b4b | google.golang.org/ | 1.83.1 | 1 |
| library/ | 7367adca165f | google.golang.org/ | 1.83.1 | 1 |
| library/ | 834468128c76 | google.golang.org/ | 1.83.1 | 1 |
| library/ | 874405536b3e | google.golang.org/ | 1.83.1 | 1 |
| library/ | b4e3952384eb | google.golang.org/ | 1.83.1 | 1 |
| library/ | 96d8a3f65a4f | google.golang.org/ | 1.83.1 | 1 |
| library/ | 1d148deae16a | google.golang.org/ | 1.83.1 | 1 |
| library/ | 2a232a42256f | google.golang.org/ | 1.83.1 | 1 |
| library/ | 3153fa63f546 | google.golang.org/ | 1.83.1 | 1 |
| library/ | 76cd6bbc3ab6 | google.golang.org/ | 1.83.1 | 1 |
| library/ | 851f91d24121 | google.golang.org/ | 1.83.1 | 1 |
| library/ | aa3df78ecf32 | google.golang.org/ | 1.83.1 | 1 |
| library/ | afa5d5134900 | google.golang.org/ | 1.83.1 | 1 |