Vulnerability · Published Sep 17, 2024 · Assigned by GitHub_M

CVE-2024-45815Prototype pollution in @backstage/plugin-catalog-backend

Medium 6.5

In plain English

A medium-severity prototype pollution in backstage from backstage. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 56.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@backstage/plugin-catalog-backend	1.26.0	GHSA-3x3f-jcp3-g22j

Affected products (as reported)

Vendor	Product	Versions
backstage	backstage	< 1.26.0

Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/backstage/backstage/security/advisories/GHSA-3x3f-jcp3-g22j x_refsource_CONFIRM