CVE-2026-53798

Name
CVE-2026-53798
Description
rsync before 3.5.0 contains a privilege confusion vulnerability in the name-converter subprocess uid/gid mapping that allows local attackers to cause transferred files to be owned by root by influencing name-converter responses to return empty values. When the name-converter subprocess returns an empty response for a uid or gid lookup, rsync incorrectly interprets it as a successful resolution to uid/gid 0 (root) rather than a lookup failure, and if the name-converter also signals fake super-user status, rsync proceeds with root ownership assignments for transferred files.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
disclosure@vulncheck.com https://github.com/RsyncProject/rsync/releases/tag/v3.5.0
disclosure@vulncheck.com https://github.com/RsyncProject/rsync/security/advisories/GHSA-hx7p-3gvv-pqgv
disclosure@vulncheck.com https://www.vulncheck.com/advisories/rsync-privilege-confusion-via-name-converter-uid-gid-mapping

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:* rsync >= None < 3.5.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
rsync edge-main 3.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
rsync edge-main 3.4.4-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.3-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.4.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.3.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.2.4-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.2.4-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.2.3-r5 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.2.3-r4 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.2.3-r3 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync edge-main 3.1.2-r7 None possibly vulnerable
rsync 3.24-main 3.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
rsync 3.24-main 3.4.3-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.23-main 3.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
rsync 3.23-main 3.4.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.23-main 3.4.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.23-main 3.4.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.23-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
rsync 3.22-main 3.4.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.4.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.4.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.4.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.22-main 3.4.0-r0 None possibly vulnerable
rsync 3.22-main 3.2.4-r2 None possibly vulnerable
rsync 3.22-main 3.1.2-r7 None possibly vulnerable
rsync 3.21-main 3.5.0-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
rsync 3.21-main 3.4.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.4.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.4.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.4.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.3.0-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.3.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.21-main 3.2.4-r2 None possibly vulnerable
rsync 3.21-main 3.1.2-r7 None possibly vulnerable
rsync 3.20-main 3.4.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.4.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.4.1-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.4.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.3.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.20-main 3.2.4-r2 None possibly vulnerable
rsync 3.20-main 3.1.2-r7 None possibly vulnerable
rsync 3.19-main 3.4.1-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.19-main 3.4.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.19-main 3.2.7-r4 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
rsync 3.19-main 3.2.4-r2 None possibly vulnerable
rsync 3.19-main 3.1.2-r7 None possibly vulnerable