Go/github.com/traefik/traefik/v3 CVE-2026-48020: critical 10, EPSS 0.78%
Traefik has a StripPrefix Route-Level Auth Bypass via Path Normalization
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.19 or later.
go get github.com/traefik/traefik/v3@v3.6.19go get github.com/traefik/traefik/v3@v3.7.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.19 | - |
| 3.7.0-ea.1 | 3.7.3 | - |
Fixed versions
| 3.6.19 | 3.7.3 |
Sources
- osv: GHSA-xf64-8mw2-4gr2#Go/github.com/traefik/traefik/v3
- https://github.com/traefik/traefik/security/advisories/GHSA-xf64-8mw2-4gr2
- https://nvd.nist.gov/vuln/detail/CVE-2026-48020
- https://access.redhat.com/errata/RHSA-2026:62260
- https://access.redhat.com/security/cve/CVE-2026-48020
- https://bugzilla.redhat.com/show_bug.cgi?id=2491915
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.48
- https://github.com/traefik/traefik/releases/tag/v3.6.19
- https://github.com/traefik/traefik/releases/tag/v3.7.3
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48020.json
CVE-2026-48020 · published · modified · JSON