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
- Free5gc Pcf — versions < 1.4.3
Weakness classification (CWE)
References
- https://github.com/free5gc/free5gc/security/advisories/GHSA-98cp-84m9-q3qp (x_refsource_CONFIRM)
- https://github.com/free5gc/pcf/commit/599803b1b2eb4611e26d5216481ee142bce71a16 (x_refsource_MISC)
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.