Vulnerability · Published Feb 16, 2026 · Assigned by VulDB
CVE-2026-2525Free5GC PFCP UDP Endpoint denial of service
Medium 5.3
In plain English
A medium-severity security flaw in Free5GC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 52.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-346113 | Free5GC PFCP UDP Endpoint denial of service vdb-entry, technical-description
- VDB-346113 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- Submit #739509 | free5gc UPF v4.1.0 Denial of Service third-party-advisory
- https://github.com/free5gc/free5gc/issues/796 issue-tracking
- https://github.com/free5gc/free5gc/issues/796#issue-3812169865 exploit, issue-tracking
- https://github.com/free5gc/free5gc/ product