{"id":49006,"date":"2025-06-05T05:22:31","date_gmt":"2025-06-05T05:22:31","guid":{"rendered":""},"modified":"2025-08-09T19:00:36","modified_gmt":"2025-08-10T01:00:36","slug":"cve-2025-48757-insufficient-database-row-level-security-policy-in-lovable","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-48757-insufficient-database-row-level-security-policy-in-lovable\/","title":{"rendered":"CVE-2025-48757: Insufficient Database Row-Level Security Policy in Lovable<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

A recent vulnerability, identified as CVE-2025-48757, has been discovered in the Lovable software system. This severe security flaw has the potential to affect a large number of users as it pertains to database security, a critical component of any information system. The vulnerability stems from an insufficient database Row-Level Security (RLS) policy, which leaves generated sites vulnerable to remote<\/a> unauthenticated attacks. This vulnerability is particularly alarming as it allows unauthorized<\/a> users to read or write to arbitrary database tables, posing a significant risk of system compromise and data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-48757
\nSeverity: Critical (9.3 CVSS score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise<\/a> and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Lovable | All versions up to 2025-04-15<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit leverages the insufficient Row-Level Security<\/a> (RLS) policy in Lovable. RLS is a security feature that controls access<\/a> to rows in a database table based on the characteristics of the user performing a query. However, due to the vulnerability<\/a> in Lovable, an attacker can bypass these security controls. This allows a remote, unauthenticated attacker to send specially-crafted requests that read or write to arbitrary database tables of generated sites, potentially leading to unauthorized access<\/a> to sensitive information or even total system compromise.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following is a conceptual example of how the vulnerability might be exploited. This is a sample HTTP request<\/a> that an attacker might use:<\/p>\n

GET \/database_query HTTP\/1.1\nHost: vulnerable_site.com\nContent-Type: application\/json\n{ \"table_name\": \"users\", \"columns\": \"*\" }<\/code><\/pre>\n
In this example, the attacker sends a GET request to a vulnerable<\/a> endpoint on the target site. The attacker specifies the table name and columns they wish to access, effectively bypassing the insufficient RLS policy<\/a> and gaining access to sensitive information.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Users are advised to apply the vendor-provided patch immediately. This patch addresses the RLS policy insufficiency and prevents remote unauthenticated<\/a> attackers from gaining access to arbitrary database tables. As a temporary mitigation measure, users can also employ a Web<\/a> Application Firewall (WAF) or Intrusion Detection System (IDS) to identify and block potentially malicious requests. However, these measures should not replace the application of the official patch.
\nIn conclusion, CVE-2025-48757 is a serious security flaw that can lead to significant system<\/a> compromise and data leakage. By understanding the nature of this vulnerability and taking the necessary measures to mitigate the risks<\/a>, users can ensure their systems remain secure.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A recent vulnerability, identified as CVE-2025-48757, has been discovered in the Lovable software system. This severe security flaw has the potential to affect a large number of users as it pertains to database security, a critical component of any information system. The vulnerability stems from an insufficient database Row-Level Security (RLS) policy, which leaves […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-49006","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t