CVE-2026-5512: github enterprise server

csirt@kutim:~/threat-intel/cve/CVE-2026-5512

CVSS 4.3 · Medium EPSS 0,50%

Kerentanan Insertion of Sensitive Information Into Sent Data pada github enterprise server. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to determine the names of private repositories by their numeric ID. The mobile upload policy API endpoint did not perform an early authorization check, and validation error messages included the full repository name for repositories the caller did not have access to. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.21 and was fixed in versions 3.20.1, 3.19.5, 3.18.8, 3.17.14, 3.16.17, 3.15.21, and 3.14.26. This vulnerability was reported via the GitHub Bug Bounty program.

Rincian

Terbit di NVD: 21 April 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-201: Insertion of Sensitive Information Into Sent Data
EPSS (30 hari): 0,50% peluang dieksploitasi; lebih tinggi dari 40,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
github	enterprise server	Semua versi sebelum 3.14.26
github	enterprise server	Versi 3.15.0 hingga sebelum 3.15.21
github	enterprise server	Versi 3.16.0 hingga sebelum 3.16.17
github	enterprise server	Versi 3.17.0 hingga sebelum 3.17.14
github	enterprise server	Versi 3.18.0 hingga sebelum 3.18.8
github	enterprise server	Versi 3.19.0 hingga sebelum 3.19.5
github	enterprise server	Versi 3.20.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.26 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.21 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.17 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.14 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.8 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.5 release notes · advisory vendor
https://docs.github.com/en/enterprise-server@3.20/admin/release-notes#3.20.1 release notes · advisory vendor

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.