CVE-2026-70452: rsync 3.1.0 through 3.4.4

CVE-2026-70452. CVSS 3.1 base score 7.4 (HIGH, Vendor/CNA). EPSS 0.00462 (percentile 0.39076), scored 22-Oct-2026.

Affected technology

rsync · 3.1.0 through 3.4.4
RsyncProject

Description’s affected range: before 3.5.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. Vendor/CNA’s CVSS 4.0 assessment (base score 9.1/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-636, CWE-863
CCR priority: 29.7 /100 (P4)
CVSS 3.1: 7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
EPSS: 0.00462 · percentile 0.39076 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-70452.html