# free5GC SMF vulnerabilities

Source: https://junglewise.ai/threats/technologies/smf  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/smf.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in free5GC SMF: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44329, was published on 27 May 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (1 critical, 0 exploited in the wild)

## About free5GC SMF

The Session Management Function is a core component of the free5GC open-source 5G core network project.

## Latest free5GC SMF vulnerabilities

- [CVE-2026-44329: free5GC SMF missing authentication in UPI management interface](https://junglewise.ai/threats/cve-2026-44329-free5gc-smf-missing-authentication-in-upi-management-interface) (critical, CVSS 10, published 27 May 2026)
- [CVE-2026-44328: free5GC SMF unauthenticated DoS and state mutation in UPI handler](https://junglewise.ai/threats/cve-2026-44328-free5gc-smf-unauthenticated-dos-and-state-mutation-in-upi-handler) (high, CVSS 8.2, published 27 May 2026)
- [CVE-2026-44321: free5GC SMF unauthenticated denial of service in UPI management](https://junglewise.ai/threats/cve-2026-44321-free5gc-smf-unauthenticated-denial-of-service-in-upi-management) (high, CVSS 7.5, published 27 May 2026)

## Most severe free5GC SMF vulnerabilities

- [CVE-2026-44329: free5GC SMF missing authentication in UPI management interface](https://junglewise.ai/threats/cve-2026-44329-free5gc-smf-missing-authentication-in-upi-management-interface) (critical, CVSS 10, published 27 May 2026)
- [CVE-2026-44328: free5GC SMF unauthenticated DoS and state mutation in UPI handler](https://junglewise.ai/threats/cve-2026-44328-free5gc-smf-unauthenticated-dos-and-state-mutation-in-upi-handler) (high, CVSS 8.2, published 27 May 2026)
- [CVE-2026-44321: free5GC SMF unauthenticated denial of service in UPI management](https://junglewise.ai/threats/cve-2026-44321-free5gc-smf-unauthenticated-denial-of-service-in-upi-management) (high, CVSS 7.5, published 27 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other free5GC technologies

- [free5GC](https://junglewise.ai/threats/technologies/free5gc): 29 vulnerabilities
- [free5GC Nef](https://junglewise.ai/threats/technologies/nef): 7 vulnerabilities
- [free5GC Udr](https://junglewise.ai/threats/technologies/udr): 7 vulnerabilities
- [free5GC Pcf](https://junglewise.ai/threats/technologies/pcf): 4 vulnerabilities
- [free5GC NRF](https://junglewise.ai/threats/technologies/nrf): 3 vulnerabilities
- [free5GC Udm](https://junglewise.ai/threats/technologies/udm): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "free5GC SMF vulnerabilities", https://junglewise.ai/threats/technologies/smf, 9 November 2026.