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 |
|---|---|---|---|---|
| projecthami/ | 0c94118d1d98 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | 608acee5704a | google.golang.org/ | 1.83.1 | 1 |
| prom/ | b04a9fef4fa0 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | ca04aa9d9093 | google.golang.org/ | 1.83.1 | 1 |
| prometheuscommunity/ | c0a0cbf76570 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | 4f6c47e39a90 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | 5880ec936055 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | 69f524141883 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | b440bc0e8aa5 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | cd134bd4fca0 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | d936808bdea5 | google.golang.org/ | 1.83.1 | 1 |
| prom/ | e4ca62c0d62f | google.golang.org/ | 1.83.1 | 1 |
| prom/ | f7ffebdd428b | google.golang.org/ | 1.83.1 | 1 |
| prom/ | 4a377d1a0eaa | google.golang.org/ | 1.83.1 | 1 |
| prowlercloud/ | 4f252d579be2 | google.golang.org/ | 1.83.1 | 1 |
| pulumi/ | 7dace4491358 | google.golang.org/ | 1.83.1 | 1 |
| qonstrukt/ | 089af7925aa1 | google.golang.org/ | 1.83.1 | 1 |
| qualys/ | 9ff255352422 | google.golang.org/ | 1.83.1 | 1 |
| qumine/ | c0b650d51132 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 6d2cd61a338b | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | c678c25d47c8 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | d6a47d394c03 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 8eb8092f0728 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 199961f11ba6 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | f9099b5ef8cb | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 8c2599ecfca8 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | eaa270df79cc | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | febfd0517838 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 89c3f898ac5a | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | fe417c28a6b8 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | e82a8c8f800d | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 9e519a21a77c | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 41cb674d1154 | google.golang.org/ | 1.83.1 | 1 |
| rancher/ | 1975fac3890f | google.golang.org/ | 1.83.1 | 1 |
| ravendb/ | 511050205ac5 | google.golang.org/ | 1.83.1 | 1 |
| rclone/ | 08e1af3c8814 | google.golang.org/ | 1.83.1 | 1 |
| rclone/ | 1e6eeabddc01 | google.golang.org/ | 1.83.1 | 1 |
| rclone/ | f2fc45c8bc57 | google.golang.org/ | 1.83.1 | 1 |
| redislabs/ | 9078e713bb6a | google.golang.org/ | 1.83.1 | 1 |
| replicated/ | 8751b4963250 | google.golang.org/ | 1.83.1 | 1 |
| reportportal/ | 464468240d7b | google.golang.org/ | 1.83.1 | 1 |
| reportportal/ | da5d8e1395fe | google.golang.org/ | 1.83.1 | 1 |
| restic/ | 136600b6ff68 | google.golang.org/ | 1.83.1 | 1 |
| restic/ | 579e4e6a4931 | google.golang.org/ | 1.83.1 | 1 |
| robiningelbrecht/ | 40842cdfd616 | google.golang.org/ | 1.83.1 | 1 |
| rocm/ | 26212c665aab | google.golang.org/ | 1.83.1 | 1 |
| rotationalio/ | f8d8b694515a | google.golang.org/ | 1.83.1 | 1 |
| rotationalio/ | 34bcb6fc3cb7 | google.golang.org/ | 1.83.1 | 1 |
| rotationalio/ | cc7bb030a20f | google.golang.org/ | 1.83.1 | 1 |
| rotationalio/ | f1a2d05d8fff | google.golang.org/ | 1.83.1 | 1 |