CVE-2026-2525 - Free5GC PFCP UDP Endpoint denial of service

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MEDIUM

Free5GC PFCP UDP Endpoint denial of service

Published Feb 16, 2026

6.9

MEDIUM

CVSS 4.0

EPSS 0.52%

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

Vendor Free5gc Product Free5GC Default
n/a
- Version
  4.0
  Status
  affected
  Constraints
  -
- Version
  4.1.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Free5gc

Free5GC

n/a

Version	Status	Constraints
4.0	affected	-
4.1.0	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-404

Improper Resource Shutdown or Release

References (7)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-6138
Advisory
https://github.com/free5gc/free5gc/
product
https://github.com/free5gc/free5gc/issues/796
issue-trackingExploitIssue TrackingVendor Advisory
https://github.com/free5gc/free5gc/issues/796#issue-3812169865
exploitissue-trackingIssue TrackingVendor Advisory
https://vuldb.com/?ctiid.346113
signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.346113
vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.739509
third-party-advisoryThird Party AdvisoryVDB Entry

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-6138		Advisory
https://github.com/free5gc/free5gc/		product
https://github.com/free5gc/free5gc/issues/796		issue-trackingExploitIssue TrackingVendor Advisory
https://github.com/free5gc/free5gc/issues/796#issue-3812169865		exploitissue-trackingIssue TrackingVendor Advisory
https://vuldb.com/?ctiid.346113		signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.346113		vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.739509		third-party-advisoryThird Party AdvisoryVDB Entry