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
- 2,312
- of 17,828 indexed, latest versions
- Container images
- 2,773
- 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 2,312 of 17,828 indexed charts deploy, on 2,773 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 | 2,769 |
| 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
2,312 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| xboardxboard | 0.2.0 | 1 of 1See more | 1,061 |
| xkopsxkops | 0.1.0 | 1 of 5See more | 13,934 |
| xonodepoolsxonodepoolsOfficialVerified publisher | 1.0.7 | 1 of 1See more | 402 |
| atlas-operatorxxl-job-adminVerified publisher | 0.7.11 | 1 of 1See more | 1,197 |
| fleet-managementxxl-job-adminVerified publisher | 1.0.0 | 1 of 1See more | 238 |
| kadalu-operatorxxl-job-adminVerified publisher | 1.2.4 | 1 of 4See more | 4,928 |
| nightingalexxl-job-adminVerified publisher | 0.2.11 | 2 of 6See more | 9,769 |
| ygdrassil-monitoringygdrassilVerified publisher | 0.4.0 | 2 of 10See more | 9,530 |
| matrixdb-operatorymatrixOfficialVerified publisher | 0.13.0 | 1 of 2See more | 1,966 |
| rawfile-csiymatrixVerified publisher | 0.2.1 | 4 of 4See more | 8,003 |
| prometheus-monitoring-stackyotron-helm-charts | 1.2.0 | 3 of 3See more | 936 |
| zahori-consulzahoriVerified publisher | 1.0.1 | 2 of 2See more | 5,077 |
Container images carrying it
2,773 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| quay.io/ | fa07b2c9ece6 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 187630ba7228 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | cb009167015c | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | aa4da00c5b96 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | f0c6fba81a24 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 6545dac92173 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 2b6db27eaf3d | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 2ff71ba65cd7 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 51f294c56842 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | bc4aa22272ef | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 5bf041aacadd | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 60566529446a | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 721b5c9634d4 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 9795f3f9f031 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 03c7bf249aa1 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 01d5d8c4cecb | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 88c64b1b6ec8 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 98580969b333 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 4c3b91bebd3d | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 9d25865295af | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | ea6dd1e4ce71 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | d30a7c640c63 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | eec0305b594c | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | e886b8d2b54b | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 9640e2dc4316 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 7bcf286807b8 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | a7dff785d821 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 690c7b525f43 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 7d9247d23514 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 1a3e9a878e50 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 378f4e037035 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 38d40a760569 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | 7571a304e67f | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | a8779cfe553e | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | f5c29683a301 | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | f6639335d34a | google.golang.org/ | 1.83.1 | 3 |
| quay.io/ | c68135620167 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 2bbc91556733 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 6b2f0b6f2f86 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 4eb73137b663 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 0d23a6fd60c4 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 5244abbe87e0 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | f25af73ee708 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | d5e46da8aff7 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 2e2b44393539 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 8ddd178ba5d0 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | f1f352df9787 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | c7e0a3718832 | google.golang.org/ | 1.83.1 | 3 |
| registry.k8s.io/ | 4dc0b87ccd69 | google.golang.org/ | 1.83.1 | 3 |
| alpine/ | 048f8d9c8cc7 | google.golang.org/ | 1.83.1 | 2 |