Description
A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file or folder as a relative or absolute path (e.g., ../../../etc/passwd), the ZIP archive generated for download converts that title into a path. Depending on the extraction tool used by the user, this might overwrite files locally outside of the chosen directory.
Details
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| openslides | — | 4.2.5 |
References
Similar Threats
- High CVE-2026-25519
- Medium CVE-2025-30342
- Medium CVE-2025-30344
- Low CVE-2025-30345
- Unknown CVE-2024-22892
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