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

Quick assessment

Affected
aligungr UERANSIM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 aligungr UERANSIM 3.3.0 及更早版本中发现了一个安全漏洞。该漏洞影响组件 nr-gnb 中 src/lib/nas/encode.cpp 文件内的 DecodePlainMmMessage 函数。通过恶意操控可触发未捕获的异常。攻击者可以远程发起攻击。目前相关漏洞利用代码已公开，可能被利用。修复补丁的提交哈希为 1ae9bf2062b57595dbcbc4bc1d0a0ccf06815bac。建议尽快应用该补丁以消除此安全隐患。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-101035

Vulnerability Information
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Vulnerability Title
aligungr UERANSIM nr-gnb encode.cpp DecodePlainMmMessage uncaught exception
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
aligungr UERANSIM 3.0 cpe:2.3:a:aligungr:ueransim:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-101035

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III. Intelligence Information for CVE-2026-101035

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Other References for CVE-2026-101035 (1)

Other References for CVE-2026-101035 (2)

IV. Related Vulnerabilities

Same product: UERANSIM
Same vendor: aligungr
Same weakness: CWE-248

V. Comments for CVE-2026-101035

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