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
- 2,246
- of 17,797 indexed, latest versions
- Container images
- 2,722
- 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 2,246 of 17,797 indexed charts deploy, on 2,722 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 | 2,718 |
| 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
2,246 by stars
| Chart | Latest | Affected images | Radar Score |
|---|
Container images carrying it
2,722 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/ | df6c926a2b54 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 464a3af4dfe0 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | bb5e052770e5 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | e9236513d24a | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 3af31f8bd1ad | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 9e53e1313921 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 075b1ba2c4eb | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 6559acbd5d77 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | b899dbd1b901 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | c5dd35038287 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | df0cd5887887 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | f6639335d34a | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 1d022ef4b8ef | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 672e45d6a556 | google.golang.org/ | 1.83.1 | 2 |
| quay.io/ | 33692aed26aa | google.golang.org/ | 1.83.1 | 2 |
| registry.gitlab.com/ | b1198ea741d1 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | dd75ec974b0a | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 99e1ed9fbc8a | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 40adecbe3a40 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 74a5cf9cfa9f | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 89258156d0e9 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 2fa1c99ad09b | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 5aaefc24f315 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 8b9c313c05f5 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 9a685020911e | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | a399393ff5bd | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 0103eee7c35e | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 4fd21f36075b | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | f1c25991bac2 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 122bfb8c1eda | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | d992c36d4ddd | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | e5900dc98b0d | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 8f7520bd957e | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 9ebbf9f023e7 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | f1f352df9787 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | ad16874e2140 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | bc7be893ecc3 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | dd788d79cf4c | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 2c5f9dc4ea5a | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | 9b75b9ade162 | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | cacee2b5c36d | google.golang.org/ | 1.83.1 | 2 |
| registry.k8s.io/ | dc7746bb081e | google.golang.org/ | 1.83.1 | 2 |
| 0xpolygon/ | 396d3de26d8b | google.golang.org/ | 1.83.1 | 1 |
| 0xpolygon/ | 34ddf259993c | google.golang.org/ | 1.83.1 | 1 |
| 1dev/ | cd5b12fe5471 | google.golang.org/ | 1.83.1 | 1 |
| aapjeisbaas/ | 6b261abc7fb0 | google.golang.org/ | 1.83.1 | 1 |
| aavishay/ | 3d7c4d79595c | google.golang.org/ | 1.83.1 | 1 |
| abiondevelopment/ | c741988fbd23 | google.golang.org/ | 1.83.1 | 1 |
| abohatyrenko/ | fa98af15a13e | google.golang.org/ | 1.83.1 | 1 |
| adyanth/ | 6b168dc237d5 | google.golang.org/ | 1.83.1 | 1 |