# Linuxfoundation Backstage\ vulnerabilities

Source: https://junglewise.ai/threats/technologies/backstage  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/backstage.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Linuxfoundation Backstage\: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-106563, was published on 7 October 2026. Nothing in the last four weeks, down from 5 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 5
- All time: 6 (0 critical, 0 exploited in the wild)

## About Linuxfoundation Backstage\

Backstage is an open platform for building developer portals, maintained by the Cloud Native Computing Foundation under the Linux Foundation.

## Latest Linuxfoundation Backstage\ vulnerabilities

- [CVE-2026-106563: Backstage improper entity validation in Kubernetes services endpoint](https://junglewise.ai/threats/cve-2026-106563-backstage-improper-entity-validation-in-deprecated-kubernetes) (medium, CVSS 5.3, published 7 Oct 2026)
- [CVE-2026-106562: Backstage incorrect authorization in search engine permission filtering](https://junglewise.ai/threats/cve-2026-106562-backstage-has-incorrect-authorization-in-search-engine) (medium, CVSS 4.3, published 7 Oct 2026)
- [CVE-2026-106561: Backstage Kubernetes plugin sensitive information disclosure in resource queries](https://junglewise.ai/threats/cve-2026-106561-backstage-has-a-sensitive-information-disclosure-in-kubernetes) (medium, CVSS 5, published 7 Oct 2026)
- [CVE-2026-106560: Backstage plugin-scaffolder-backend-module-confluence-to-markdown path traversal](https://junglewise.ai/threats/cve-2026-106560-backstage-improper-repository-path-validation-in-a-scaffolder) (high, CVSS 7.1, published 7 Oct 2026)
- [CVE-2026-106559: Backstage Confluence to Markdown scaffolder input validation bypass](https://junglewise.ai/threats/cve-2026-106559-backstage-improper-input-validation-in-confluence-to-markdown) (medium, CVSS 6.3, published 7 Oct 2026)
- [CVE-2026-73563: Backstage plugin-auth-backend OAuth redirect_uri allowlist bypass](https://junglewise.ai/threats/cve-2026-73563-backstage-plugin-auth-backend-oauth-redirect-uri-allowlist-bypass) (medium, CVSS 4.7, published 13 Aug 2026)

## Most severe Linuxfoundation Backstage\ vulnerabilities

- [CVE-2026-106560: Backstage plugin-scaffolder-backend-module-confluence-to-markdown path traversal](https://junglewise.ai/threats/cve-2026-106560-backstage-improper-repository-path-validation-in-a-scaffolder) (high, CVSS 7.1, published 7 Oct 2026)
- [CVE-2026-106559: Backstage Confluence to Markdown scaffolder input validation bypass](https://junglewise.ai/threats/cve-2026-106559-backstage-improper-input-validation-in-confluence-to-markdown) (medium, CVSS 6.3, published 7 Oct 2026)
- [CVE-2026-106563: Backstage improper entity validation in Kubernetes services endpoint](https://junglewise.ai/threats/cve-2026-106563-backstage-improper-entity-validation-in-deprecated-kubernetes) (medium, CVSS 5.3, published 7 Oct 2026)
- [CVE-2026-106561: Backstage Kubernetes plugin sensitive information disclosure in resource queries](https://junglewise.ai/threats/cve-2026-106561-backstage-has-a-sensitive-information-disclosure-in-kubernetes) (medium, CVSS 5, published 7 Oct 2026)
- [CVE-2026-73563: Backstage plugin-auth-backend OAuth redirect_uri allowlist bypass](https://junglewise.ai/threats/cve-2026-73563-backstage-plugin-auth-backend-oauth-redirect-uri-allowlist-bypass) (medium, CVSS 4.7, published 13 Aug 2026)
- [CVE-2026-106562: Backstage incorrect authorization in search engine permission filtering](https://junglewise.ai/threats/cve-2026-106562-backstage-has-incorrect-authorization-in-search-engine) (medium, CVSS 4.3, published 7 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 5 vulnerabilities in the four before.

| 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 | 5 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Linuxfoundation technologies

- [Linuxfoundation Automotive Grade Linux](https://junglewise.ai/threats/technologies/automotive-grade-linux): 5 vulnerabilities
- [Linuxfoundation Tekton Pipelines](https://junglewise.ai/threats/technologies/tekton-pipelines): 5 vulnerabilities
- [Linuxfoundation Spinnaker](https://junglewise.ai/threats/technologies/linuxfoundation-spinnaker): 3 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, "Linuxfoundation Backstage\ vulnerabilities", https://junglewise.ai/threats/technologies/backstage, 12 November 2026.