npm/@backstage/backend-defaults CVE-2026-106495: medium 4.3

Backstage: Improper access control in backend action invocation

Action: Upgrade @backstage/backend-defaults to 0.17.8 or later.

npm i @backstage/backend-defaults@0.17.8

Affected

Fixed versions

Sources

• osv: GHSA-3xr5-8w6c-p5gw
• https://github.com/backstage/backstage/security/advisories/GHSA-3xr5-8w6c-p5gw
• https://nvd.nist.gov/vuln/detail/CVE-2026-106495
• https://github.com/backstage/backstage/commit/a8fb34a990a69bcb745e85a3213cf9e5ba2d31a3
• https://github.com/backstage/backstage
• https://github.com/backstage/backstage/releases/tag/v1.54.6

CVE-2026-106495 · published 2026-10-15T20:21:54Z · modified 2026-10-15T20:30:06.250180939Z · JSON