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TI-2026-65068 Aliases CVE-2026-101035GHSA-mc56-m68v-2mjr

aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception

Priority HIGH 70CWE-248Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-248.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00419 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
aligungrUERANSIM3.0; 3.1; 3.2; 3.3.0—No fix listedCNA
  • UERANSIM Vendoraligungr Affected 3.0; 3.1; 3.2; 3.3.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:aligungr:ueransim:*:*:*:*:*:*:*:*——aligungr
  • cpe:2.3:a:aligungr:ueransim:*:*:*:*:*:*:*:* Versions — — ·aligungr

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-101035
  2. 2026-10-03 Alias added: GHSA-mc56-m68v-2mjr

References

Exploit 1

Patch 1

Other 1

  • TI-2026-65030 aligungr UERANSIM nr-gnb handler.cpp ULInformationTransfer memory corruption CVSS 4.0MEDIUM 6.9
  • TI-2026-06304 aligungr UERANSIM Radio Link Simulation Layer rls_pdu.cpp DecodeRlsMessage uncaught exception CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences