CVE-2024-45815— Prototype pollution in @backstage/plugin-catalog-backend
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I. Basic Information for CVE-2024-45815
Vulnerability Information
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Vulnerability Title
Prototype pollution in @backstage/plugin-catalog-backend
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Backstage 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Backstage是一个应用软件。后台是一个开放的平台,用于构建开发者门户。 Backstage 1.25.0版本存在安全漏洞，该漏洞源于安装了目录后端插件的Backstage实例，一个具有认证访问权限的恶意行为者可以通过向目录API发送特别构造的查询来中断服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-45815
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Same Patch Batch · backstage · 2024-09-17 · 3 CVEs total
| CVE-2024-45816 | 6.5 MEDIUM | Storage bucket Directory Traversal in @backstage/plugin-techdocs-backend |
| CVE-2024-46976 | 6.5 MEDIUM | Circumvention of cross site scripting Protection in @backstage/plugin-techdocs-backend |
IV. Related Vulnerabilities
Same product: backstage
- CVE-2026-29186
@backstage/plugin-techdocs-node: TechDocs Mkdocs Configurati - CVE-2026-29184
@backstage/plugin-scaffolder-backend: Potential Session Toke - CVE-2026-29185
@backstage/integration: Potential reading of SCM URLs using - CVE-2026-25152
@backstage/plugin-techdocs-node vulnerable to possible Path - CVE-2026-25153
@backstage/plugin-techdocs-node vulnerable to arbitrary code
Same vendor: backstage
- CVE-2026-29186
@backstage/plugin-techdocs-node: TechDocs Mkdocs Configurati - CVE-2026-29184
@backstage/plugin-scaffolder-backend: Potential Session Toke - CVE-2026-29185
@backstage/integration: Potential reading of SCM URLs using - CVE-2026-25152
@backstage/plugin-techdocs-node vulnerable to possible Path - CVE-2026-25153
@backstage/plugin-techdocs-node vulnerable to arbitrary code
Same weakness: CWE-1321
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42232
n8n: XML Node Prototype Pollution to RCE - CVE-2026-42231
n8n: Prototype Pollution in XML Webhook Body Parser Leads to - CVE-2026-42077
Evolver: Prototype Pollution via `Object.assign()` in mailbo - CVE-2026-42033
Axios: Prototype Pollution Gadgets - Response Tampering, Dat
V. Comments for CVE-2024-45815
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