What’s Vulnerable › Vulnerabilities

CVE-2024-22401: All users can reset the allowed apps list for Nextcloud Guest App users

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-18 · updated 2026-06-17
• Weakness: CWE-281

Description

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. 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

• nextcloud Guests: before 2.4.1; 2.5.0, 3.0.0 — fixed in 2.4.1

How to fix

Upgrade to a fixed version: nextcloud Guests 2.4.1. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/guests/pull/1082
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wr87-hx3w-29hh
• https://hackerone.com/reports/2250398
• https://github.com/nextcloud/guests/pull/1082
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wr87-hx3w-29hh
• https://hackerone.com/reports/2250398

Get alerted when CVE-2024-22401 or the next vulnerability affects your stack