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
- 2,276
- of 17,828 indexed, latest versions
- Container images
- 2,733
- 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 2,276 of 17,828 indexed charts deploy, on 2,733 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 | 2,730 |
| grpcdeb | 1.16.1-1ubuntu5, 1.51.1-4.1build5 | no fix listed | 3 |
- OSV records
- GHSA-qc2q-p7wx-3px3UBUNTU-CVE-2026-84303
- Also known as
- GO-2026-6441
Charts affected
2,276 by stars
| Chart | Latest | Affected images | Radar Score |
|---|
Container images carrying it
2,733 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| chrislusf/ | 634b094b2183 | google.golang.org/ | 1.83.1 | 1 |
| chrislusf/ | 6620371e8af8 | google.golang.org/ | 1.83.1 | 1 |
| chrislusf/ | db095fe8a8d6 | google.golang.org/ | 1.83.1 | 1 |
| chrislusf/ | ed80f00fde46 | google.golang.org/ | 1.83.1 | 1 |
| ciscolabs/ | 36d02faad958 | google.golang.org/ | 1.83.1 | 1 |
| clastix/ | 23b12915fbeb | google.golang.org/ | 1.83.1 | 1 |
| cleanstart/ | 544bdb8811e1 | google.golang.org/ | 1.83.1 | 1 |
| cloud37io/ | f8ff2092b8af | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | 14d9c6b01b29 | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | 5d5f70a59d5e | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | 665dda65335e | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | c18744ae1767 | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | eb5c9324efe3 | google.golang.org/ | 1.83.1 | 1 |
| cloudflare/ | ff69a2225ad7 | google.golang.org/ | 1.83.1 | 1 |
| cloudnativelabs/ | 0ec7cd73f43f | google.golang.org/ | 1.83.1 | 1 |
| cockroachdb/ | 983312754620 | google.golang.org/ | 1.83.1 | 1 |
| codenotary/ | 7c85d7cc4f22 | google.golang.org/ | 1.83.1 | 1 |
| coderenvs/ | 1deffc4670e6 | google.golang.org/ | 1.83.1 | 1 |
| cometbft/ | 22c2ac018f40 | google.golang.org/ | 1.83.1 | 1 |
| concourse/ | 40a143ce5873 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 9cfeeb6c7c20 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | c36094a41369 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | ece1ab544c57 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 25415534d245 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 3423845692c1 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 2744565516e8 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | e1d4ad1e22a8 | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | b6f95c8ead7d | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 8f177f9f8a7b | google.golang.org/ | 1.83.1 | 1 |
| conduction/ | 24f03c57568f | google.golang.org/ | 1.83.1 | 1 |
| containous/ | 587162516502 | google.golang.org/ | 1.83.1 | 1 |
| coordimap/ | 7748fd0fae9f | google.golang.org/ | 1.83.1 | 1 |
| coredns/ | 40384aa1f5ea | google.golang.org/ | 1.83.1 | 1 |
| coredns/ | 73ca82b4ce82 | google.golang.org/ | 1.83.1 | 1 |
| coredns/ | 900f9c109f7a | google.golang.org/ | 1.83.1 | 1 |
| coredns/ | 9caabbf6238b | google.golang.org/ | 1.83.1 | 1 |
| coredns/ | a0ead06651cf | google.golang.org/ | 1.83.1 | 1 |
| cortezaproject/ | 0bcdcbcd3c63 | google.golang.org/ | 1.83.1 | 1 |
| cortezaproject/ | 8eb7a26605c9 | google.golang.org/ | 1.83.1 | 1 |
| cortezaproject/ | cb9f200de5d2 | google.golang.org/ | 1.83.1 | 1 |
| craftypath/ | 402a0024c732 | google.golang.org/ | 1.83.1 | 1 |
| crowdfox/ | 6fa7e8063d27 | google.golang.org/ | 1.83.1 | 1 |
| csiplugin/ | 1fa83d45417f | google.golang.org/ | 1.83.1 | 1 |
| ctrox/ | 3c72862bea3c | google.golang.org/ | 1.83.1 | 1 |
| cyberark/ | 737a967088d9 | google.golang.org/ | 1.83.1 | 1 |
| cybrarist/ | e9e2447ac666 | google.golang.org/ | 1.83.1 | 1 |
| cyverse/ | aa69d105b292 | google.golang.org/ | 1.83.1 | 1 |
| czerwonk/ | cb2279ae53d7 | google.golang.org/ | 1.83.1 | 1 |
| daprio/ | 4be696707bd1 | google.golang.org/ | 1.83.1 | 1 |
| daprio/ | 7ba5d51e5b97 | google.golang.org/ | 1.83.1 | 1 |