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CVE-2026-53795: CWE-59 Improper Link Resolution Before File Access ('Link Following') in RsyncProject rsync

0
High
VulnerabilityCVE-2026-53795cvecve-2026-53795cwe-59
Published: 08/13/2026 (08/13/2026, 14:39:26 UTC)
Source: CVE Database V5
Vendor/Project: RsyncProject
Product: rsync

Description

rsync before 3.5.0 contains an arbitrary file write vulnerability that allows attackers to write files outside the intended destination tree by specifying an absolute path via --temp-dir or --link-dest options. The rename-confinement logic is bypassed when these options resolve to paths outside the destination tree, enabling attacker-controlled values to write files to arbitrary locations accessible to the rsync process.

CVSS v4.0

Score 7.2high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
2026-06-10T20:14:32.827Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7ddec4bf8831d5395cfcab

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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