# @backstage/plugin-catalog-backend (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/backstage-plugin-catalog-backend Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/backstage-plugin-catalog-backend.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in @backstage/plugin-catalog-backend (npm): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-115923, was published on 26 October 2026. 1 vulnerability in the last four weeks, down 50% on the four before (2). ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 3 - All time: 5 (0 critical, 0 exploited in the wild) ## About @backstage/plugin-catalog-backend (npm) Backstage plugin providing backend catalog functionality for entity management and discovery. ## Latest @backstage/plugin-catalog-backend (npm) vulnerabilities - [CVE-2026-115923: Backstage catalog URL validation bypass](https://junglewise.ai/threats/cve-2026-115923-backstage-is-an-open-framework-for-building-developer-portals) (medium, CVSS 6.5, published 26 Oct 2026) - [CVE-2026-106498: Backstage catalog entity placeholder URL validation bypass](https://junglewise.ai/threats/cve-2026-106498-backstage-is-an-open-framework-for-building-developer-portals) (high, CVSS 7.7, published 6 Oct 2026) - [CVE-2026-106496: Backstage: Inconsistent enforcement of allowed location types during catalog processing](https://junglewise.ai/threats/cve-2026-106496-backstage-is-an-open-framework-for-building-developer-portals) (low, CVSS 3.1, published 6 Oct 2026) - [CVE-2024-45815: Backstage plugin-catalog-backend prototype pollution](https://junglewise.ai/threats/cve-2024-45815-backstage-plugin-catalog-backend-prototype-pollution) (low, CVSS 3.1, published 17 Sep 2024) - [CVE-2023-25571: Backstage Cross-site scripting in Software Catalog](https://junglewise.ai/threats/cve-2023-25571-backstage-cross-site-scripting-in-software-catalog) (low, CVSS 3.1, published 14 Feb 2023) ## Most severe @backstage/plugin-catalog-backend (npm) vulnerabilities - [CVE-2026-106498: Backstage catalog entity placeholder URL validation bypass](https://junglewise.ai/threats/cve-2026-106498-backstage-is-an-open-framework-for-building-developer-portals) (high, CVSS 7.7, published 6 Oct 2026) - [CVE-2026-115923: Backstage catalog URL validation bypass](https://junglewise.ai/threats/cve-2026-115923-backstage-is-an-open-framework-for-building-developer-portals) (medium, CVSS 6.5, published 26 Oct 2026) - [CVE-2023-25571: Backstage Cross-site scripting in Software Catalog](https://junglewise.ai/threats/cve-2023-25571-backstage-cross-site-scripting-in-software-catalog) (low, CVSS 3.1, published 14 Feb 2023) - [CVE-2026-106496: Backstage: Inconsistent enforcement of allowed location types during catalog processing](https://junglewise.ai/threats/cve-2026-106496-backstage-is-an-open-framework-for-building-developer-portals) (low, CVSS 3.1, published 6 Oct 2026) - [CVE-2024-45815: Backstage plugin-catalog-backend prototype pollution](https://junglewise.ai/threats/cve-2024-45815-backstage-plugin-catalog-backend-prototype-pollution) (low, CVSS 3.1, published 17 Sep 2024) ## Vulnerabilities per week 1 vulnerability in the last four weeks, down 50% on the four before (2). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 2 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 1 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other npm technologies - [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities - [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities - [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities - [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities - [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities - [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities - [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities - [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities - [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities - [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities - [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities - [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "@backstage/plugin-catalog-backend (npm) vulnerabilities", https://junglewise.ai/threats/technologies/backstage-plugin-catalog-backend, 13 November 2026.