Vulnerability in Aligungr Ueransim
CVE-2026-101035
A flaw has been found in aligungr UERANSIM up to 3.3.0. This affects the function DecodePlainMmMessage in the library src/lib/nas/encode.cpp of the component nr-gnb. Executing a manipulation can lead to uncaught exception. The attack can be launched remotely. The exploit has been published and may be used. This patch is called 1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac. It is best practice to apply a patch to resolve this issue.
Published · last modified .
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:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Aligungr Ueransim — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/410903 (technical-description, vdb-entry)
- vuldb.com/vuln/410903/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-101035 (third-party-advisory)
- vuldb.com/submit/926089 (third-party-advisory)
- gist.github.com/centauruszzz/f729edf89aa32ae3cfe4865c71ad1102 (exploit)
- github.com/aligungr/UERANSIM/commit/1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac (patch)
- github.com/aligungr/UERANSIM/ (product)
Frequently asked questions
- What is CVE-2026-101035?
- CVE-2026-101035 is a medium-severity vulnerability in Aligungr Ueransim, classified under CWE-248. CVSS score: 5.3/10. Published 2026-09-28.
- How severe is CVE-2026-101035?
- Medium severity. CVSS v3 base score is 5.3 out of 10.