CVE-2025-32013

CVE-2025-32013 is a high-severity vulnerability in Lnbits with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-32013?
CVE-2025-32013 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-32013 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-32013?
CVE-2025-32013 affects Lnbits. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-32013?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-32013 have an EU (EUVD) identifier?
Yes. CVE-2025-32013 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10023.
When was CVE-2025-32013 published?
CVE-2025-32013 was published on 2025-04-06 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →