CVE-2026-106500: linuxfoundation backstage/plugin-scaffolder…

csirt@kutim:~/threat-intel/cve/CVE-2026-106500

CVSS 8.5 · High EPSS 0,33%

Kerentanan Improper Link Resolution Before File Access ('Link Following') pada linuxfoundation backstage/plugin-scaffolder-backend, linuxfoundation backstage. Skor CVSS 3.1 8.5 (High) menurut github.com.

Deskripsi (NVD)

Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may be compromised. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.

Rincian

Terbit di NVD: 6 Oktober 2026
Terakhir diubah: 13 Oktober 2026
Status NVD: Analyzed
CVSS 3.1: 8.5 (High), sumber github.com
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-59: Improper Link Resolution Before File Access ('Link Following')
CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
EPSS (30 hari): 0,33% peluang dieksploitasi; lebih tinggi dari 24,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
linuxfoundation	backstage/plugin-scaffolder-backend	Semua versi sebelum 3.3.1
linuxfoundation	backstage/plugin-scaffolder-backend	Versi 3.4.0 hingga sebelum 3.4.1
linuxfoundation	backstage/plugin-scaffolder-backend	Versi 4.0.0 hingga sebelum 4.0.3
linuxfoundation	backstage/plugin-scaffolder-backend	Versi 4.0.4 hingga sebelum 4.1.0
linuxfoundation	backstage	Semua versi sebelum 1.49.6
linuxfoundation	backstage	Versi 1.50.0 hingga sebelum 1.50.5
linuxfoundation	backstage	Versi 1.51.0 hingga sebelum 1.54.6

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/backstage/backstage/security/advisories/GHSA-xvgh-hmx8-9xxf mitigasi · advisory vendor
https://github.com/backstage/backstage/commit/0d24f1b8701f3dde6cd597f81997c1ea873a43ae patch
https://github.com/backstage/backstage/commit/56be299dd3ef6706e13e76ea2f8a9b0dd0b6413d patch
https://github.com/backstage/backstage/commit/9e86c95a1a3ddfd54db03731cd8678aa63495175 patch
https://github.com/backstage/backstage/releases/tag/v1.49.6 patch · release notes
https://github.com/backstage/backstage/releases/tag/v1.50.5 patch · release notes
https://github.com/backstage/backstage/releases/tag/v1.54.6 patch · release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 14 Okt 2026, 06:26 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.