CVE-2026-53783

Katalog CVE

CVSS 8.1 · High EPSS 0,37%

Kerentanan Improper Link Resolution Before File Access ('Link Following'). Skor CVSS 3.1 8.1 (High) menurut vulncheck.com.

Deskripsi (NVD)

rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted directory subtree.

Rincian

Terbit di NVD

13 Agustus 2026

Terakhir diubah

8 September 2026

Status NVD

Awaiting Analysis

CVSS 3.1

8.1 (High), sumber vulncheck.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-59: Improper Link Resolution Before File Access ('Link Following')
CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

EPSS (30 hari)

0,37% peluang dieksploitasi; lebih tinggi dari 29,5% 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/RsyncProject/rsync/releases/tag/v3.5.0
• https://github.com/RsyncProject/rsync/security/advisories/GHSA-9cgc-64g4-3gv5
• https://www.vulncheck.com/advisories/rsync-toctou-race-condition-directory-escape-via-rrsync