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OpenAdvisories
Medium · 5.4 CVE-2024-22402 EUVD-2024-19957

Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app allowlist

Published Jan 18, 2024 · Updated Jun 9, 2025 · Assigned by GitHub_M

Description

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1. There are no known workarounds for this vulnerability.

Affected products

VendorProductAffectedFixed
nextcloud security-advisories >= 2.4.0, < 2.4.1, >= 2.5.0, < 2.5.1, >= 3.0.0, < 3.0.1 —

Advisories 1

References