CVE-2026-106503: linuxfoundation backstage/plugin-scaffolder…

csirt@kutim:~/threat-intel/cve/CVE-2026-106503

CVSS 8.1 · High EPSS 0,36%

Kerentanan Improper Handling of Case Sensitivity pada linuxfoundation backstage/plugin-scaffolder-backend, linuxfoundation backstage. Skor CVSS 3.1 8.1 (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 scaffolder action input authorization bypass. An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. 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: 8.1 (High), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-178: Improper Handling of Case Sensitivity
CWE-284: Improper Access Control
EPSS (30 hari): 0,36% peluang dieksploitasi; lebih tinggi dari 27,6% 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-hmp2-4m7g-22cv mitigasi · advisory vendor
https://github.com/backstage/backstage/commit/11c1384c0649b8ab26391c6a4e4f34b80ab0d188 patch
https://github.com/backstage/backstage/commit/a91ed72d540e80b62a73b39bb1563ff5018d52d1 patch
https://github.com/backstage/backstage/commit/e307e4f487103d815e484291b3fda778ab9983bf 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.