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 |
|---|---|---|---|---|
| oryd/ | bfdb8b9e283a | google.golang.org/ | 1.83.1 | 1 |
| oryd/ | 2a13bb8d362c | google.golang.org/ | 1.83.1 | 1 |
| oryd/ | 8f15006a080d | google.golang.org/ | 1.83.1 | 1 |
| oryd/ | 467329abde34 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 6ed874ea083d | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 9e36620d6c2c | google.golang.org/ | 1.83.1 | 1 |
| otel/ | ee9da0b08d83 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 37fa87091cfa | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 3bc07732530c | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 5ac3e0ba2b0b | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 71fcef33ae71 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 923eb1cfae32 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 995f17004231 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | a7343f018690 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | b3079f45e19b | google.golang.org/ | 1.83.1 | 1 |
| otel/ | ba173aa85f3f | google.golang.org/ | 1.83.1 | 1 |
| otel/ | c6671841470b | google.golang.org/ | 1.83.1 | 1 |
| otel/ | dfb3a55ea8c9 | google.golang.org/ | 1.83.1 | 1 |
| otel/ | f2f01157055a | google.golang.org/ | 1.83.1 | 1 |
| otel/ | faf125d656fa | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 1e45d9483faa | google.golang.org/ | 1.83.1 | 1 |
| otel/ | 63a0d1dd2cac | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | 88e7c854517d | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | b38fd8fdd58f | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | d2efcae92c84 | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | 51d9b74fc2a8 | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | 74c53d341076 | google.golang.org/ | 1.83.1 | 1 |
| owncloud/ | b3f9efdcd7f7 | google.golang.org/ | 1.83.1 | 1 |
| percona/ | 0214e482b2cd | google.golang.org/ | 1.83.1 | 1 |
| percona/ | 6cce2698d3f5 | google.golang.org/ | 1.83.1 | 1 |
| percona/ | feaff989e253 | google.golang.org/ | 1.83.1 | 1 |
| percona/ | ac4d0995c71e | google.golang.org/ | 1.83.1 | 1 |
| percona/ | 003f9c25f842 | google.golang.org/ | 1.83.1 | 1 |
| persesdev/ | a0e34ddaf9d7 | google.golang.org/ | 1.83.1 | 1 |
| pgsharding/ | 4734940216d3 | google.golang.org/ | 1.83.1 | 1 |
| phntom/ | 53883b65d9b7 | google.golang.org/ | 1.83.1 | 1 |
| phntom/ | 9242b4df9e65 | google.golang.org/ | 1.83.1 | 1 |
| phntom/ | 51cf9da4aa2e | google.golang.org/ | 1.83.1 | 1 |
| phntom/ | 8ea656a2a895 | google.golang.org/ | 1.83.1 | 1 |
| pinclr/ | f37f250b7091 | google.golang.org/ | 1.83.1 | 1 |
| pipekit13/ | b969a930b439 | google.golang.org/ | 1.83.1 | 1 |
| platzio/ | d5e5972f344b | google.golang.org/ | 1.83.1 | 1 |
| pnnlmiscscripts/ | 155131891741 | google.golang.org/ | 1.83.1 | 1 |
| pnnlmiscscripts/ | 8af4b7551d40 | google.golang.org/ | 1.83.1 | 1 |
| pomerium/ | 9c69b10a2126 | google.golang.org/ | 1.83.1 | 1 |
| portainer/ | 3e61aaee1341 | google.golang.org/ | 1.83.1 | 1 |
| portainer/ | 511f3f06c96f | google.golang.org/ | 1.83.1 | 1 |
| posit/ | 527493ef621b | google.golang.org/ | 1.83.1 | 1 |
| pozetroninc/ | 79fd6b9d93e6 | google.golang.org/ | 1.83.1 | 1 |
| pritunl/ | 0f2943e0d41b | google.golang.org/ | 1.83.1 | 1 |