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 |
|---|---|---|---|---|
| bitnamilegacy/ | 8935e75fa5d1 | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | 952f86d1116c | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | ba9f3b4b0b00 | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | c0ede65eb88e | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | cce234b4381a | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | d7cd0e172c4c | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | 08b1b7cb6a5b | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | 3c26208691a1 | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | 0cb31d0fc356 | google.golang.org/ | 1.83.1 | 1 |
| bitnamilegacy/ | 5bf82b98c82c | google.golang.org/ | 1.83.1 | 1 |
| bitnami/ | f7034c13af4e | google.golang.org/ | 1.83.1 | 1 |
| blipai/ | 737d5d19a312 | google.golang.org/ | 1.83.1 | 1 |
| bolkedebruin/ | c0dc0589373a | google.golang.org/ | 1.83.1 | 1 |
| bonovoo/ | bb93b68fcd17 | google.golang.org/ | 1.83.1 | 1 |
| breton/ | 41b1bb483aa2 | google.golang.org/ | 1.83.1 | 1 |
| bsgrigorov/ | 45ab095f09c8 | google.golang.org/ | 1.83.1 | 1 |
| buildkite/ | aec38cfaae0e | google.golang.org/ | 1.83.1 | 1 |
| bytebase/ | 9fcde38c0d5f | google.golang.org/ | 1.83.1 | 1 |
| bytesafe/ | ee287384c005 | google.golang.org/ | 1.83.1 | 1 |
| calico/ | cef0c907b8f4 | google.golang.org/ | 1.83.1 | 1 |
| calico/ | e486870cfde8 | google.golang.org/ | 1.83.1 | 1 |
| calico/ | 8f04e4772a2b | google.golang.org/ | 1.83.1 | 1 |
| calico/ | eadb3a25109a | google.golang.org/ | 1.83.1 | 1 |
| calico/ | 385bf6391fea | google.golang.org/ | 1.83.1 | 1 |
| calico/ | d8c644a8a3ee | google.golang.org/ | 1.83.1 | 1 |
| camptocamp/ | acfafc308d88 | google.golang.org/ | 1.83.1 | 1 |
| casbin/ | 770ad9ec3190 | google.golang.org/ | 1.83.1 | 1 |
| castopod/ | 4e4f0440520f | google.golang.org/ | 1.83.1 | 1 |
| certimate/ | 6e481dd3d2cf | google.golang.org/ | 1.83.1 | 1 |
| cesanta/ | 98e0307e0d2d | google.golang.org/ | 1.83.1 | 1 |
| chaosnative/ | 72ee352bc333 | google.golang.org/ | 1.83.1 | 1 |
| chaosnative/ | e7bcff4a20c0 | google.golang.org/ | 1.83.1 | 1 |
| checkmk/ | c11b422210c4 | google.golang.org/ | 1.83.1 | 1 |
| chirpstack/ | e0b23dfd24d6 | google.golang.org/ | 1.83.1 | 1 |
| chirpstack/ | fb7667fe037f | google.golang.org/ | 1.83.1 | 1 |
| chirpstack/ | c0bbbb7a3f1e | google.golang.org/ | 1.83.1 | 1 |
| chirpstack/ | c98d7fe06bce | google.golang.org/ | 1.83.1 | 1 |
| chrislusf/ | 634b094b2183 | 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/ | a7c5d108810b | 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/ | 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 |