Rsync versionĀ 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.
Metrics
Affected Vendors & Products
References
History
Wed, 20 May 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 20 May 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Rsync Project
Rsync Project rsync |
|
| Vendors & Products |
Rsync Project
Rsync Project rsync |
Wed, 20 May 2026 01:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Rsync versionĀ 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'. | |
| Title | Rsync < 3.4.3 Symlink Race Condition via Path-Based Syscalls | |
| Weaknesses | CWE-367 CWE-59 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-05-20T00:49:14.709Z
Updated: 2026-05-20T13:09:14.169Z
Reserved: 2026-05-01T18:22:45.639Z
Link: CVE-2026-43619
Updated: 2026-05-20T13:09:09.691Z
Status : Awaiting Analysis
Published: 2026-05-20T02:16:36.577
Modified: 2026-05-20T13:58:07.923
Link: CVE-2026-43619
No data.