CVE-2026-2525
Free5GC PFCP UDP Endpoint denial of service
- State
- Published
- Severity
- 6.9 Medium
- Published
- Feb 16, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Free5GCn/a |
|
References
- VDB-346113 | Free5GC PFCP UDP Endpoint denial of servicevdb-entrytechnical-description
- VDB-346113 | CTI Indicators (IOB, IOC, TTP)signaturepermissions-required
- Submit #739509 | free5gc UPF v4.1.0 Denial of Servicethird-party-advisory
- https://github.com/free5gc/free5gc/issues/796issue-tracking
- https://github.com/free5gc/free5gc/issues/796#issue-3812169865exploitissue-tracking
- https://github.com/free5gc/free5gc/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.