What’s Vulnerable › Products

Linuxfoundation Backstage/Plugin-Proxy-Backend vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Linuxfoundation Backstage/Plugin-Proxy-Backend version is affected

Latest Linuxfoundation Backstage/Plugin-Proxy-Backend vulnerabilities

• CVE-2026-106491 — Backstage: Improper input validation in proxy-backend (CVSS 6.4)
• CVE-2026-106456 — Backstage: Inconsistent credential enforcement for overlapping proxy routes (CVSS 6.5)