CVE-2026-100892: Aligungr Ueransim

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was found in aligungr UERANSIM up to 3.3.0. This affects the function ULInformationTransfer of the file src/gnb/rrc/handler.cpp of the component nr-gnb. Performing a manipulation of the argument dedicatedNASMessage results in memory corruption. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Aligungr Ueransim: version 3.0 only; version 3.1 only; version 3.2 only; version 3.3.0 only

Published 2026-09-28. Last modified 2026-09-28.