{"id":"CVE-2026-53796","title":"rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to…","summary":"rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-59","CWE-367"],"published":"2026-08-13","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:28:37.587","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53796","references":[{"url":"https://github.com/RsyncProject/rsync/releases/tag/v3.5.0","label":"disclosure@vulncheck.com"},{"url":"https://github.com/RsyncProject/rsync/security/advisories/GHSA-w75h-ccff-w53m","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rsync-toctou-race-condition-via-destination-directory-handling","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00133,"epssPercentile":0.03192,"ingestedAt":"2026-09-08T21:11:12.277Z","slug":"CVE-2026-53796","body":"## Overview\n\nrsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to redirect file writes to unintended locations. Attackers can substitute a symlink for a component of the destination path between the path resolution and chdir() call, causing the receiver's working directory to be established outside the intended destination tree so that subsequent relative-path file writes land in unintended filesystem locations.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}