CVE-2026-2525
Free5GC PFCP UDP Endpoint denial of service
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.
INFO
Published Date :
Feb. 16, 2026, 2:16 a.m.
Last Modified :
Feb. 19, 2026, 7:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Free5GC to a version later than 4.1.0.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2525.
| URL | Resource |
|---|---|
| https://github.com/free5gc/free5gc/ | Product |
| https://github.com/free5gc/free5gc/issues/796 | ExploitIssue TrackingVendor Advisory |
| https://github.com/free5gc/free5gc/issues/796#issue-3812169865 | ExploitIssue TrackingVendor Advisory |
| https://vuldb.com/?ctiid.346113 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.346113 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.739509 | Third Party AdvisoryVDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2525 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2525
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2525 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2525 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 19, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:* versions up to (including) 4.1.0 Added Reference Type VulDB: https://github.com/free5gc/free5gc/ Types: Product Added Reference Type VulDB: https://github.com/free5gc/free5gc/issues/796 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/free5gc/free5gc/issues/796#issue-3812169865 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.346113 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.346113 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.739509 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 16, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-404 Added Reference https://github.com/free5gc/free5gc/ Added Reference https://github.com/free5gc/free5gc/issues/796 Added Reference https://github.com/free5gc/free5gc/issues/796#issue-3812169865 Added Reference https://vuldb.com/?ctiid.346113 Added Reference https://vuldb.com/?id.346113 Added Reference https://vuldb.com/?submit.739509