What is CVE-2026-40245?

CVE-2026-40245 is a high-severity vulnerability in Free5gc, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-04-15.

How severe is CVE-2026-40245?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Free5gc

CVE-2026-40245

Free5GC is an open-source Linux Foundation project for 5th generation (5G) mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR (Unified Data Repository) service. The handler for GET /nu…

Vulnerability class: Information Disclosure

EPSS: 0.000 (15.1th 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

Free5gc — versions <= 1.4.2

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-202
CWE-209 — Generation of Error Message Containing Sensitive Information

References

https://github.com/free5gc/free5gc/security/advisories/GHSA-wrwh-rpq4-87hf (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40245?: CVE-2026-40245 is a high-severity vulnerability in Free5gc, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-04-15.
How severe is CVE-2026-40245?: High severity. CVSS v3 base score is 7.5 out of 10.