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CVE-2026-82551— Linux Foundation Magma NGSetup ngap_amf_handlers.c state issue

Quick assessment

Affected
Linux Foundation Magma
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.

Magma是Magma组织开源的一款面向电信行业的系统软件。 Magma 1.9.0版本存在处理逻辑错误漏洞，该漏洞源于ngap_amf_handlers.c文件中NGSetup Handler组件的未知函数处理不当，可能导致状态问题，攻击者可远程利用。

CVSS 5.3 · Medium EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1205 · Traffic Signaling

Affected Version Matrix 1

VendorProduct Version RangeStatus
Linux Foundation Magma 1.9.0 affected
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I. Basic Information for CVE-2026-82551

Vulnerability Information
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Vulnerability Title
Linux Foundation Magma NGSetup ngap_amf_handlers.c state issue
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Linux Foundation Magma 1.9.0. Affected is an unknown function of the file ngap_amf_handlers.c of the component NGSetup Handler. Executing a manipulation can lead to state issue. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
状态问题
Source: CVE Program / CVE List V5
Vulnerability Title
Magma 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Magma是Magma组织开源的一款面向电信行业的系统软件。 Magma 1.9.0版本存在处理逻辑错误漏洞，该漏洞源于ngap_amf_handlers.c文件中NGSetup Handler组件的未知函数处理不当，可能导致状态问题，攻击者可远程利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Foundation Magma 1.9.0 cpe:2.3:o:linux_foundation:magma:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82551

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III. Intelligence Information for CVE-2026-82551

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Vendor Pages for CVE-2026-82551 (1)

Other References for CVE-2026-82551 (3)

Same Patch Batch · Linux Foundation · 2026-08-30 · 6 CVEs total

CVE-2026-82549 8.3 HIGH Linux Foundation Magma SecurityModeComplete integrity check
CVE-2026-82547 6.5 MEDIUM Linux Foundation Magma Registration Complete Message amf_fsm.cpp improper authentication
CVE-2026-82548 5.3 MEDIUM Linux Foundation Magma InitialUEMessage information disclosure
CVE-2026-82550 5.3 MEDIUM Linux Foundation Magma NGSetupRequest input validation
CVE-2026-82552 4.3 MEDIUM Linux Foundation Magma gNB Termination ngap_amf.c denial of service

IV. Related Vulnerabilities

Same product: Magma
Same vendor: Linux Foundation
Same weakness: CWE-371

V. Comments for CVE-2026-82551

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