CVE•Published 2026-08-13•Modified 2026-08-31•0 articles on news•4 live references•NVD data

CVE-2026-53798Samba · Rsync

Vulnerability data via NVD (ingested)

CVSS v3.1

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 80% of all CVEs

Weaknesses (CWE)

CWE-704Incorrect Type Conversion or Cast

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.

Timeline

Published 2026-08-13

Modified 2026-08-31

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-53798

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Samba Rsync"

All exposed Samba Rsync instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Rsync"

HTTP body or banner mentions "Rsync" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-53798