Medium [CVE-2026-59732] File overwrite via path traversal during archive extraction
This medium-severity Red Hat Linux advisory covers CVE-2026-59732 affecting Red Hat Advanced Cluster Management for Kubernetes 2.
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Summary
Rclone is a command-line program to sync files and directories to and from different cloud storage providers.
Prior to 1.74.4, rclone archive extract can write extracted files outside the user-selected destination prefix when extracting a crafted archive containing parent path components such as../, allowing creation or overwrite of sibling objects in the same bucket or path scope. This issue is fixed in version 1.74.4.
An attacker could craft a malicious archive that, when extracted by a user, allows files to be written outside the intended destination directory. This path traversal vulnerability could lead to the creation or overwrite of other files within the same storage location, potentially compromising data integrity.
Red Hat ships rclone in the VolSync component of Red Hat Advanced Cluster Management for Kubernetes (RHACM). All shipped versions are affected by this path traversal vulnerability in rclone's archive extraction functionality.
Exploitation requires a user to actively run `rclone archive extract` on an attacker-supplied malicious archive. Red Hat severity: Moderate — CVSS 5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L).
Weakness: CWE-22. Will not fix / out of support: Red Hat Advanced Cluster Management for Kubernetes 2.
Red Hat does not currently list a fixing RHSA for this CVE.
- < 1.74.4
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
Mitigation checklist
- Do not use `rclone archive extract` to extract archives from untrusted or unverified sources. If archive extraction is required, inspect the archive contents first using `rclone archive list` to check for suspicious path components (e.g., `../`).
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
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