PT-2026-107269 · Backstage · Backstage
CVE-2026-106488
·
Published
2026-10-06
·
Updated
2026-10-07
CVSS v3.1
8.1
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Backstage versions prior to 0.4.20
Description
The
@backstage/plugin-auth-backend-module-oidc-provider package contains improper authentication within the OIDC provider. In deployments utilizing OIDC email-based identity resolution with a provider that allows unverified email addresses, an authenticated user may be able to assume another catalog identity, potentially gaining the access and permissions associated with that user.Recommendations
Update to version 0.4.20.
Exploit
Fix
Improper Authentication
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Weakness Enumeration
Related Identifiers
Affected Products
Backstage