CVE-2026-106459

HighCVSS 8.5/10Last modified Oct 13, 2026

Description

Backstage is an open framework for building developer portals. From 0.3.0 until 0.3.8, the @backstage/plugin-scaffolder-backend-module-sentry package is affected by improper input validation in sentry scaffolder actions. An authenticated internal user who can execute the affected actions may cause the backend to contact unintended destinations and disclose Sentry integration credentials. Subsequent impact depends on network reachability and the privileges granted to the configured token. This issue is fixed in version 0.3.8.

Metrics

CVSS 3.1 8.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-200 CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Oct 6, 2026
Last modified: Oct 13, 2026
NVD status: Analyzed

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