What is CVE-2026-33192?

CVE-2026-33192 is a medium-severity vulnerability in Free5gc, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-03-20.

How severe is CVE-2026-33192?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Free5gc

CVE-2026-33192

Free5GC is an open-source Linux Foundation project for 5th generation (5G) mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request (from UDR) into a 500 Internal Server Error when handlin…

EPSS: 0.003 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Free5gc — versions < 1.4.2
Free5gc Udm

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2026-33192?: CVE-2026-33192 is a medium-severity vulnerability in Free5gc, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-03-20.
How severe is CVE-2026-33192?: Medium severity. CVSS v3 base score is 5.3 out of 10.