Go/github.com/coder/coder CVE-2026-55430: medium 6.8, EPSS 0.21%
Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access in github.com/coder/coder
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5917
- nvd: CVE-2026-55430
- https://github.com/coder/coder/security/advisories/GHSA-5g4w-3vw9-478w
- https://github.com/coder/coder/pull/26204
CVE-2026-55430 · published · modified · JSON