High severity · published Feb 16, 2026
CVE-2026-2525
Free5GC PFCP UDP Endpoint denial of service
7.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Free5GC · Free5gc
4.0; 4.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2525
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2525
Product
https://github.com/free5gc/free5gc/
Exploit
https://github.com/free5gc/free5gc/issues/796
Exploit
https://github.com/free5gc/free5gc/issues/796#issue-3812169865
Permissions Required
https://vuldb.com/?ctiid.346113
Third Party Advisory
https://vuldb.com/?id.346113
Third Party Advisory
https://vuldb.com/?submit.739509
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