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 |
|---|---|---|---|---|
| rqlite/ | 7b992a526eee | google.golang.org/ | 1.83.1 | 1 |
| runatlantis/ | 45fbaf7e207c | google.golang.org/ | 1.83.1 | 1 |
| ruslanguns/ | 6c77e4675e07 | google.golang.org/ | 1.83.1 | 1 |
| ryuunosukeds3/ | 0879f7261b10 | google.golang.org/ | 1.83.1 | 1 |
| sablierapp/ | 413704376656 | google.golang.org/ | 1.83.1 | 1 |
| sarwansharma/ | 59d1da9385d1 | google.golang.org/ | 1.83.1 | 1 |
| scaleway/ | 6d94c970e710 | google.golang.org/ | 1.83.1 | 1 |
| scaleway/ | 11135998e31c | google.golang.org/ | 1.83.1 | 1 |
| scaleway/ | 9acc53a69962 | google.golang.org/ | 1.83.1 | 1 |
| sealio/ | b0389d9848a5 | google.golang.org/ | 1.83.1 | 1 |
| seatsurfing/ | 9952e80048b0 | google.golang.org/ | 1.83.1 | 1 |
| securesystemsengineering/ | 38918befbdad | google.golang.org/ | 1.83.1 | 1 |
| semaphoreui/ | 3996804607eb | google.golang.org/ | 1.83.1 | 1 |
| semaphoreui/ | 98ad9bc7a2a0 | google.golang.org/ | 1.83.1 | 1 |
| semaphoreui/ | e9260bfa8255 | google.golang.org/ | 1.83.1 | 1 |
| semitechnologies/ | 7a00d226f063 | google.golang.org/ | 1.83.1 | 1 |
| sigma2as/ | c284ead9ec3e | google.golang.org/ | 1.83.1 | 1 |
| signoz/ | 49501b04d77a | google.golang.org/ | 1.83.1 | 1 |
| sikalabs/ | 7bd267f30247 | google.golang.org/ | 1.83.1 | 1 |
| silkeh/ | 900010497f8c | google.golang.org/ | 1.83.1 | 1 |
| simpleidserver/ | 25e378d57d78 | google.golang.org/ | 1.83.1 | 1 |
| sirrend/ | 699e79e3d4e2 | google.golang.org/ | 1.83.1 | 1 |
| sky5367/ | d51bf68d4b26 | google.golang.org/ | 1.83.1 | 1 |
| skylenet/ | 8698903e379f | google.golang.org/ | 1.83.1 | 1 |
| snyk/ | fb5ad76ce84e | google.golang.org/ | 1.83.1 | 1 |
| softonic/ | f26d467b7b82 | google.golang.org/ | 1.83.1 | 1 |
| solarwinds/ | 3c1110e8bdfb | google.golang.org/ | 1.83.1 | 1 |
| someblackmagic/ | 6eca64b6b440 | google.golang.org/ | 1.83.1 | 1 |
| sorintlab/ | 36b45c0f97fc | google.golang.org/ | 1.83.1 | 1 |
| sstarcher/ | 11769d01ba35 | google.golang.org/ | 1.83.1 | 1 |
| stakater/ | 97bf456cc97c | google.golang.org/ | 1.83.1 | 1 |
| stakkato95/ | 3cbe857234f2 | google.golang.org/ | 1.83.1 | 1 |
| stakkato95/ | 456049efee9a | google.golang.org/ | 1.83.1 | 1 |
| stashapp/ | a534c8afdf39 | google.golang.org/ | 1.83.1 | 1 |
| stevenweathers/ | c7eb7b10f186 | google.golang.org/ | 1.83.1 | 1 |
| streamnative/ | 11bceacec8fb | google.golang.org/ | 1.83.1 | 1 |
| streamnative/ | ebcf7f033b54 | google.golang.org/ | 1.83.1 | 1 |
| streamnative/ | 77939c8aa269 | google.golang.org/ | 1.83.1 | 1 |
| streamnative/ | 1886043c24d0 | google.golang.org/ | 1.83.1 | 1 |
| streamnative/ | 31533fa9fab7 | google.golang.org/ | 1.83.1 | 1 |
| su541/ | 371ee33f83c1 | google.golang.org/ | 1.83.1 | 1 |
| supabase/ | 385184459f57 | google.golang.org/ | 1.83.1 | 1 |
| supabase/ | 7174d551d720 | google.golang.org/ | 1.83.1 | 1 |
| supabase/ | ba4ddc594b0b | google.golang.org/ | 1.83.1 | 1 |
| superseriousbusiness/ | 0078ca451dda | google.golang.org/ | 1.83.1 | 1 |
| surajwarbhe/ | 85248611e9f1 | google.golang.org/ | 1.83.1 | 1 |
| svtechnmaa/ | 1d71314424aa | google.golang.org/ | 1.83.1 | 1 |
| svtechnmaa/ | 6e368ace0977 | google.golang.org/ | 1.83.1 | 1 |
| sysadminsmedia/ | 56e880b62309 | google.golang.org/ | 1.83.1 | 1 |
| tailwarden/ | 3f68c8ae7993 | google.golang.org/ | 1.83.1 | 1 |