CVE-2026-77086

Katalog CVE

CVSS 9.1 · Critical EPSS 1,0%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'). Skor CVSS 3.1 9.1 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

SiYuan before v3.7.4 fails to validate the packageName parameter in Bazaar install and uninstall endpoints, allowing authenticated administrators to perform path traversal via directory traversal sequences. Attackers with admin access can write arbitrary files to any location via install operations or recursively delete directories via uninstall operations by supplying crafted packageName values.

Rincian

Terbit di NVD

21 Agustus 2026

Terakhir diubah

26 Agustus 2026

Status NVD

Deferred

CVSS 3.1

9.1 (Critical), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 62,7% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-wr4w-7vjm-mmx3
• https://www.vulncheck.com/advisories/siyuan-before-path-traversal-via-packagename