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CVE-2026-82547— Linux Foundation Magma Registration Complete Message amf_fsm.cpp improper authentication

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版本存在授权问题漏洞，该漏洞源于Registration Complete Message Handler组件的tasks/amf/amf_fsm.cpp文件中未知函数存在身份验证不当问题，可能导致远程攻击。

CVSS 6.5 · Medium EPSS 0.76% · P55

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
Linux Foundation Magma 1.9.0 affected
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I. Basic Information for CVE-2026-82547

Vulnerability Information
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Vulnerability Title
Linux Foundation Magma Registration Complete Message amf_fsm.cpp improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Linux Foundation Magma 1.9.0. The affected element is an unknown function of the file tasks/amf/amf_fsm.cpp of the component Registration Complete Message Handler. The manipulation results in improper authentication. The attack can be launched remotely. The exploit has been made public and could be used.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Magma 授权问题漏洞
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版本存在授权问题漏洞，该漏洞源于Registration Complete Message Handler组件的tasks/amf/amf_fsm.cpp文件中未知函数存在身份验证不当问题，可能导致远程攻击。
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-2026-82547

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III. Intelligence Information for CVE-2026-82547

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Vendor Advisories for CVE-2026-82547 (1)

Other References for CVE-2026-82547 (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-2026-82548 5.3 MEDIUM Linux Foundation Magma InitialUEMessage information disclosure
CVE-2026-82550 5.3 MEDIUM Linux Foundation Magma NGSetupRequest input validation
CVE-2026-82551 5.3 MEDIUM Linux Foundation Magma NGSetup ngap_amf_handlers.c state issue
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-287

V. Comments for CVE-2026-82547

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