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 |
|---|---|---|---|---|
| temporalio/ | 258958fe2ff2 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 35034611d981 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 37e2e33dbd7b | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 836af062af30 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | a3a52e6ca122 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | cda4901bab53 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | cfde8170c92f | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | dbc5fcd6ee8f | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 5b3502a3b685 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | b44cbfeb43db | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 1e2626efcbc1 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 8a5798191dea | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | b5ecdb8282be | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | c1e3326b2ce1 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | ddeebf8bad8f | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | e26758f5a1bf | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 0b36e00aad30 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 5c2a3645d09c | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | 5c586a3c8ec5 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | b768f87f18b5 | google.golang.org/ | 1.83.1 | 1 |
| temporalio/ | fc47cd8202c9 | google.golang.org/ | 1.83.1 | 1 |
| testinprod/ | 0a125bd77a2d | google.golang.org/ | 1.83.1 | 1 |
| thanosio/ | 88276fcd1491 | google.golang.org/ | 1.83.1 | 1 |
| thanosio/ | b12d5c31bf5a | google.golang.org/ | 1.83.1 | 1 |
| thesisrobot/ | 287129953689 | google.golang.org/ | 1.83.1 | 1 |
| thesisrobot/ | d94c8dbf6dac | google.golang.org/ | 1.83.1 | 1 |
| thmmniii/ | 86105349c1a3 | google.golang.org/ | 1.83.1 | 1 |
| tile38/ | 5b61c6f3b32e | google.golang.org/ | 1.83.1 | 1 |
| tile38/ | afb7e82f9485 | google.golang.org/ | 1.83.1 | 1 |
| tobiasbp/ | 14bee6e33a26 | google.golang.org/ | 1.83.1 | 1 |
| tobirachel/ | 7d9f37154994 | google.golang.org/ | 1.83.1 | 1 |
| traefik/ | acc7fcca5f1c | google.golang.org/ | 1.83.1 | 1 |
| tranhailong/ | 028662749be2 | google.golang.org/ | 1.83.1 | 1 |
| treeverse/ | bda61b3fe5d8 | google.golang.org/ | 1.83.1 | 1 |
| treeverse/ | 478f37a6cffc | google.golang.org/ | 1.83.1 | 1 |
| treeverse/ | fb7a0d90f77e | google.golang.org/ | 1.83.1 | 1 |
| tundeficky/ | 3cf9a9ce54e8 | google.golang.org/ | 1.83.1 | 1 |
| turt2live/ | bfbd459f89a5 | google.golang.org/ | 1.83.1 | 1 |
| tusproject/ | 1e457b59fd5b | google.golang.org/ | 1.83.1 | 1 |
| tusproject/ | f8088058b80f | google.golang.org/ | 1.83.1 | 1 |
| twentycrm/ | 2f78405a78be | google.golang.org/ | 1.83.1 | 1 |
| twinproduction/ | 3fff895e77d3 | google.golang.org/ | 1.83.1 | 1 |
| tykio/ | 92509e00e618 | google.golang.org/ | 1.83.1 | 1 |
| tykio/ | e13d37f298b7 | google.golang.org/ | 1.83.1 | 1 |
| ubercadence/ | 2ac5491d13bb | google.golang.org/ | 1.83.1 | 1 |
| udhos/ | 41ab9bae6f3b | google.golang.org/ | 1.83.1 | 1 |
| udhos/ | 3acc0e7599bf | google.golang.org/ | 1.83.1 | 1 |
| udhos/ | 5567c9363c4c | google.golang.org/ | 1.83.1 | 1 |
| udhos/ | f44ef986df49 | google.golang.org/ | 1.83.1 | 1 |
| udhos/ | 6bd2cf2ac732 | google.golang.org/ | 1.83.1 | 1 |