Resource exhaustion in Free5gc Pcf

CVE-2026-41135

free5GC UDR is the Policy Control Function (PCF) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. A memory leak vulnerability in versions prior to 1.4.3 allows any unauthenticated attacker with network a…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41135?
CVE-2026-41135 is a high-severity vulnerability in Free5gc Pcf, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-21.
How severe is CVE-2026-41135?
High severity. CVSS v3 base score is 7.5 out of 10.