CVE-2024-45815: backstage Prototype Pollution

Vulnerability summary

CVE-2024-45815 is a medium (CVSS 6.5) Prototype Pollution vulnerability in backstage. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.5% of scored vulnerabilities.

Timeline

1. 17-09-2024
   PublishedVulnerability first disclosed.
2. 18-09-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.