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CVE-2026-53785: CWE-59 Improper Link Resolution Before File Access ('Link Following') in RsyncProject rsync

0
Medium
VulnerabilityCVE-2026-53785cvecve-2026-53785cwe-59
Published: 08/13/2026 (08/13/2026, 14:34:59 UTC)
Source: CVE Database V5
Vendor/Project: RsyncProject
Product: rsync

Description

rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in --relative mode. The make_path() function follows symlinks pointing outside the destination tree while creating intermediate directories without verifying that created paths remain within the destination boundary, enabling arbitrary file writes on the receiver's filesystem.

CVSS v4.0

Score 6.9medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

GitHub Actionsmore threats →cve
rsync
pkg:github/rsync
Affected versions
<=3.4.4

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2026-06-10T20:14:32.826Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7ddec4bf8831d5395cfc7e

Added to database: 08/13/2026, 15:12:04 UTC

Last updated: 08/13/2026, 15:12:04 UTC

Views: 1

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