Understanding the usememos memos Access Control Issue
A significant security vulnerability has been identified in usememos memos, specifically affecting version 0.25.2. This flaw, categorized as an “incorrect access control” issue, resides within the application’s Identity Provider service. In simple terms, this means that even an attacker with limited user privileges could potentially gain the ability to make unauthorized changes or completely remove registered identity providers. Such an exploit could lead to serious consequences, including the takeover of user accounts or a complete disruption of the service (Denial of Service).
CVE Details
This vulnerability is officially tracked under the identifier CVE-2025-65797. Here are the key details:
- Product: usememos memos
- Published Date: December 8, 2025
- Severity: Medium
- Status: Analyzed
Affected Products
The vulnerability specifically impacts:
- usememos memos version 0.25.2
Current Status
The vulnerability’s status is “Analyzed.” This indicates that security researchers have thoroughly reviewed and understood the nature and implications of the flaw. While “Analyzed” confirms the vulnerability’s legitimacy and characteristics, it also suggests that developers are actively working on or have already released a patch to address the issue.
Severity Level
With a CVSS score of 6.5, CVE-2025-65797 is rated as “Medium” severity. A medium rating means that while the vulnerability is serious and could lead to significant impact, its exploitation might require specific conditions or lower-level privileges. Nevertheless, it’s crucial for users and administrators to treat this with due diligence and apply any recommended fixes promptly to prevent potential compromises.
Possible Solutions
To safeguard your usememos memos installation from this vulnerability, the most critical step is to apply the latest security updates as soon as they become available from the developers. It is highly recommended to regularly check the official usememos GitHub repository and release notes for updates that specifically address CVE-2025-65797.
The GitHub pull request https://github.com/usememos/memos/pull/5217 is a strong indicator of an ongoing effort or a released fix for this issue. Therefore, users should:
- Update Your Software: Ensure your usememos memos instance is updated to the latest secure version available.
- Review Permissions: Regularly audit and restrict access to Identity Provider configurations, ensuring only authorized administrators can modify these critical settings.
- Adopt Least Privilege: Implement the principle of least privilege, granting users only the minimum access rights necessary for their roles.
- Monitor Logs: Continuously monitor application logs for any suspicious or unauthorized changes to identity provider settings or user accounts.
References
http://memos.com
http://usememos.com
https://github.com/usememos/memos/pull/5217
