Go/github.com/traefik/traefik/v2 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/v2 to 2.11.48 or later.

go get github.com/traefik/traefik/v2@v2.11.48

Affected

Fixed versions

Sources

• osv: GHSA-xf64-8mw2-4gr2
• 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 2026-06-11T13:26:57Z · modified 2026-09-02T15:45:32.566298419Z · JSON