CVE detail
CVE-2026-43619
Rsync version 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'.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 1
- within the 30d window
- Peak daily
- 1
- highest bucket
Evidence
Source links by recency
5 source links · newest first
Information published.
vendormsrc.microsoft.comJul 23, 2026, 8:06 AMInformation published.
vendormsrc.microsoft.comMay 21, 2026, 8:01 AM- https://www.vulncheck.com/advisories/rsync-symlink-race-condition-via-path-based-syscallswww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comMay 20, 2026, 2:16 AM No excerpt available.
Exploitgithub.comMay 20, 2026, 2:16 AMNo excerpt available.
Exploitgithub.comMay 20, 2026, 2:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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