CVE-2026-53797

Description

rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that allows an attacker who can manipulate a parent directory of the source tree to redirect file reads to unintended paths. Attackers can atomically replace a parent directory component with a symlink pointing outside the source root between path resolution and file open operations to disclose file contents outside the intended transfer root.

References

https://www.vulncheck.com/advisories/rsync-symlink-race-condition-information-disclosure

https://github.com/RsyncProject/rsync/security/advisories/GHSA-3jj3-qvc7-jp6x

https://github.com/RsyncProject/rsync/releases/tag/v3.5.0

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4