OpenList a file list program that supports multiple storage. Prior to 4.2.4, the authenticated /api/fs/batch_rename handler in server/handles/fsbatch.go authorizes only the source directory produced by user.JoinPath(req.SrcDir) and validates renameObject.NewName with checkRelativePath, but does not validate attacker-controlled renameObject.SrcName, supplied as src_name, before concatenating it with the authorized path and passing the result to fs.Rename. A user with rename permission can use traversal segments in src_name to make path normalization select a file outside the authorized directory and configured base path, resulting in cross-user file integrity loss, limited availability impact, and file-existence disclosure through success or error responses. This issue is fixed in version 4.2.4.
History

Thu, 13 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Openlistteam
Openlistteam openlist
Vendors & Products Openlistteam
Openlistteam openlist

Thu, 13 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
Description OpenList a file list program that supports multiple storage. Prior to 4.2.4, the authenticated /api/fs/batch_rename handler in server/handles/fsbatch.go authorizes only the source directory produced by user.JoinPath(req.SrcDir) and validates renameObject.NewName with checkRelativePath, but does not validate attacker-controlled renameObject.SrcName, supplied as src_name, before concatenating it with the authorized path and passing the result to fs.Rename. A user with rename permission can use traversal segments in src_name to make path normalization select a file outside the authorized directory and configured base path, resulting in cross-user file integrity loss, limited availability impact, and file-existence disclosure through success or error responses. This issue is fixed in version 4.2.4.
Title OpenList: Authenticated users can rename files outside their base path via batch rename `src_name` traversal
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-08-13T15:20:16.263Z

Reserved: 2026-08-12T19:00:33.736Z

Link: CVE-2026-73509

cve-icon Vulnrichment

Updated: 2026-08-13T15:20:08.780Z

cve-icon NVD

Status : Received

Published: 2026-08-13T15:20:17.623

Modified: 2026-08-13T16:19:05.083

Link: CVE-2026-73509

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T20:15:03Z