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CVE-2026-8781— omec-project amf handler.go RANConfiguration null pointer dereference

Quick assessment

Affected
omec-project amf
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.

amf是free5GC开源的一个Apache许可证文本库。 amf 2.1.3-dev及之前版本存在安全漏洞，该漏洞源于文件ngap/handler.go中函数RANConfiguration的操作导致空指针取消引用，可能允许远程攻击。

CVSS 4.3 · Medium EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
omec-project amf 2.1.3-dev affected
2.2.0 unaffected
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I. Basic Information for CVE-2026-8781

Vulnerability Information
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Vulnerability Title
omec-project amf handler.go RANConfiguration null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in omec-project amf up to 2.1.3-dev. The impacted element is the function RANConfiguration of the file ngap/handler.go. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.2.0 is sufficient to resolve this issue. Upgrading the affected component is recommended. The same pull request fixes multiple security issues.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
amf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
amf是free5GC开源的一个Apache许可证文本库。 amf 2.1.3-dev及之前版本存在安全漏洞，该漏洞源于文件ngap/handler.go中函数RANConfiguration的操作导致空指针取消引用，可能允许远程攻击。
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
omec-project amf 2.1.3-dev cpe:2.3:a:omec-project:amf:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8781

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III. Intelligence Information for CVE-2026-8781

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Patches & Fixes for CVE-2026-8781 (1)

Vendor Pages for CVE-2026-8781 (1)

Other References for CVE-2026-8781 (2)

Same Patch Batch · omec-project · 2026-05-18 · 5 CVEs total

CVE-2026-8782 4.3 MEDIUM omec-project amf NGAP Message handler.go null pointer dereference
CVE-2026-8780 4.3 MEDIUM omec-project amf NGAP Message dispatcher.go memory corruption
CVE-2026-8779 4.3 MEDIUM omec-project amf handler.go NGSetupRequest memory corruption
CVE-2026-8783 4.3 MEDIUM omec-project amf dispatcher.go UERadioCapabilityCheckResponse null pointer dereference

IV. Related Vulnerabilities

Same product: amf
Same vendor: omec-project
Same weakness: CWE-476

V. Comments for CVE-2026-8781

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