CVE-2024-45815: Linuxfoundation Backstage

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plugin installed is able to interrupt the service using a specially crafted query to the catalog API. This has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend`. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Linuxfoundation Backstage: before 1.26.0 (fixed in 1.26.0)

Published 2024-09-17. Last modified 2026-06-17.