SSRF in Lnbits
CVE-2025-32013
LNbits is a Lightning wallet and accounts system. A Server-Side Request Forgery (SSRF) vulnerability has been discovered in LNbits' LNURL authentication handling functionality. When processing LNURL authentication requests, the application accepts a callback URL parameter and makes an HTTP request to that URL using the httpx library with redirect following enabled. The application doesn't properly validate the callback URL, allowing attackers to specify internal network addresses and access internal resources.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Lnbits — versions <= 0.12.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit)
Frequently asked questions
- What is CVE-2025-32013?
- CVE-2025-32013 is a high-severity vulnerability in Lnbits, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2025-04-06.
- How severe is CVE-2025-32013?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-32013 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.