CVE-2026-2525

Free5GC PFCP UDP Endpoint denial of service

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

Free5GC

CVSS v4.0 VULDB

5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 VULDB

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v2.0 VULDB

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.57% chance of exploitation in the next 30 days, 46th percentile

Published

2026-02-16

Updated

2026-02-23

Proof-of-concept exploits (1)

• free5gc/free5gc/issues/796#issue-38121698652358★ · 2026-09-30

Security advisories

• free5gc/free5gc/issues/796
• https://vuldb.com/?id.346113
• https://vuldb.com/?submit.739509

References

• CVE Record
• NVD entry

Related

• CVE-2023-47025
• CVE-2023-47345
• CVE-2023-47346
• CVE-2023-47347
• CVE-2023-49391
• CVE-2026-1682