Auth bypass in Lovable

CVE-2025-48757

An insufficient database Row-Level Security policy in Lovable through 2025-04-15 allows remote unauthenticated attackers to read or write to arbitrary database tables of generated sites. NOTE: this is disputed by the Supplier because each individual customer of the Lovable platform accepts a responsibility over protecting the data of their application.

Vulnerability class: Broken Access Control

EPSS: 0.008 (53.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-48757?
CVE-2025-48757 is a critical-severity vulnerability in Lovable, classified under Incorrect Authorization. CVSS score: 9.3/10. Published 2025-05-30.
How severe is CVE-2025-48757?
Critical severity. CVSS v3 base score is 9.3 out of 10.
Is CVE-2025-48757 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.