Get real-time updates on Telegram
CVE-2026-53797: rsync before 3.5.0 (exclusive), 0 through 3.4.4
CVE-2026-53797. CVSS 3.1 base score 4.7 (MEDIUM, Vendor/CNA). EPSS 0.00143 (percentile 0.03259), scored 22-Oct-2026.
Affected technology
rsync · before 3.5.0 (exclusive)
samba
rsync · 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): Local · Low privileges required · No user interaction required
What an attacker can do
Attackers can atomically replace a parent directory component with a symlink pointing outside the source root between path resolution and file open operations to disclose file contents outside the intended transfer root. Vendor/CNA’s CVSS 4.0 assessment (base score 5.7/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-59, CWE-367
- CCR priority
- 18.8 /100 (P5)
- CVSS 3.1
- 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
- EPSS
- 0.00143 · percentile 0.03259 · 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-2026-53797.html