Vulnerability in Rsyncproject Rsync
CVE-2026-53794
rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this fl…
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Rsyncproject Rsync — versions 0, 3.5.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-53794?
- CVE-2026-53794 is a medium-severity vulnerability in Rsyncproject Rsync, classified under Improper Validation of Specified Quantity in Input. CVSS score: 5.3/10. Published 2026-08-13.
- How severe is CVE-2026-53794?
- Medium severity. CVSS v3 base score is 5.3 out of 10.