Vulnerability in Free5gc

CVE-2026-2525

A vulnerability has been found in Free5GC up to 4.1.0. This affects an unknown function of the component PFCP UDP Endpoint. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Free5gc
  • N/a Free5gc — versions 4.0, 4.1.0

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
  • cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
  • cna@vuldb.com (Product, product)

Frequently asked questions

What is CVE-2026-2525?
CVE-2026-2525 is a medium-severity vulnerability in Free5gc, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-02-16.
How severe is CVE-2026-2525?
Medium severity. CVSS v3 base score is 5.3 out of 10.