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Vulnerabilities

Vulnerability · CVE-2026-2525

A vulnerability has been found in Free5GC up to 4.1.0.

Published Feb 16, 2026 · catalog updated Feb 23, 2026 · Free5GC

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-2525. EPSS is 0.59%. Act only if a listed version of Free5GC is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.59%
Remediation
Vendor / distro source
Affected products
vendor n/a Free5GC 4.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a Free5GC 4.04.0

How to fix CVE-2026-2525

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2525. EPSS is 0.59%. Act only if a listed version of Free5GC is installed.

Which versions are affected?

Compare what you have installed with n/a Free5GC 4.0 4.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 20, 2026 · urlscan.io

    Detected

    CVE-2026-2525 Free5GC PFCP UDP Endpoint denial of service (Issue 796 / EUVD-2026-6138)

  2. Feb 23, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-2525

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2525

    30-day exploitation probability 0.59%

    first.org
  • EUVDVulnerability recordEUVD-2026-6138

    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.

    euvd.enisa.europa.eu
  • urlscan.ioThreat intelligenceCVE-2026-2525
    urlscan.io

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 12, 2026
  • EUVDNov 9, 2026
  • CVE.orgNov 7, 2026
  • urlscan.ioNov 6, 2026