CVE-2026-101035 - aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception

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MEDIUM

aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception

Published Sep 28, 2026

6.9

MEDIUM

CVSS 4.0

EPSS 0.54%

Description

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.

Affected products

Vendor Aligungr Product Ueransim Default
n/a
- Version
  3.0
  Status
  affected
  Constraints
  -
- Version
  3.1
  Status
  affected
  Constraints
  -
- Version
  3.2
  Status
  affected
  Constraints
  -
- Version
  3.3.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Aligungr

Ueransim

n/a

Version	Status	Constraints
3.0	affected	-
3.1	affected	-
3.2	affected	-
3.3.0	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-248

References (7)

https://gist.github.com/centauruszzz/f729edf89aa32ae3cfe4865c71ad1102
exploit
https://github.com/aligungr/UERANSIM/
product
https://github.com/aligungr/UERANSIM/commit/1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac
patch
https://vuldb.com/cve/CVE-2026-101035
third-party-advisory
https://vuldb.com/submit/926089
third-party-advisory
https://vuldb.com/vuln/410903
vdb-entrytechnical-description
https://vuldb.com/vuln/410903/cti
signaturepermissions-required

Link	Providers	Tags
https://gist.github.com/centauruszzz/f729edf89aa32ae3cfe4865c71ad1102		exploit
https://github.com/aligungr/UERANSIM/		product
https://github.com/aligungr/UERANSIM/commit/1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac		patch
https://vuldb.com/cve/CVE-2026-101035		third-party-advisory
https://vuldb.com/submit/926089		third-party-advisory
https://vuldb.com/vuln/410903		vdb-entrytechnical-description
https://vuldb.com/vuln/410903/cti		signaturepermissions-required

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner VulDB

Published Sep 28, 2026

Updated Sep 28, 2026

Reserved Sep 27, 2026

Link CVE-2026-101035

CISA Vulnrichment

Updated Sep 28, 2026

NVD

Status Received

Modified Sep 28, 2026

Link CVE-2026-101035

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-101035