Improper input validation in Free5gc Udm
CVE-2026-27642
free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.1, remote attackers can inject control characters (e.g., %00) into the…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.005 (39.9th 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:H/I:N/A:N.
Affected products
- Free5gc Udm — versions <= 1.4.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-27642?
- CVE-2026-27642 is a high-severity vulnerability in Free5gc Udm, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-02-24.
- How severe is CVE-2026-27642?
- High severity. CVSS v3 base score is 7.5 out of 10.