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CVE-2026-1739— Free5GC pcf smpolicy.go HandleCreateSmPolicyRequest null pointer dereference

Quick assessment

Affected
Free5GC pcf
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.

free5GC是free5GC开源的一个第 5 代 (5G) 移动核心网络的开源项目。 free5GC 1.4.1及之前版本存在代码问题漏洞，该漏洞源于对文件internal/sbi/processor/smpolicy.go中函数HandleCreateSmPolicyRequest的错误操作，可能导致空指针取消引用。

CVSS 5.3 · Medium EPSS 0.78% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1739

Vulnerability Information
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Vulnerability Title
Free5GC pcf smpolicy.go HandleCreateSmPolicyRequest null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Free5GC pcf up to 1.4.1. This affects the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is df535f5524314620715e842baf9723efbeb481a7. Applying a patch is the recommended action to fix 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
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
free5GC 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
free5GC是free5GC开源的一个第 5 代 (5G) 移动核心网络的开源项目。 free5GC 1.4.1及之前版本存在代码问题漏洞，该漏洞源于对文件internal/sbi/processor/smpolicy.go中函数HandleCreateSmPolicyRequest的错误操作，可能导致空指针取消引用。
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
Free5GC pcf 1.4.0 cpe:2.3:a:free5gc:pcf:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1739

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III. Intelligence Information for CVE-2026-1739

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Vendor Advisories for CVE-2026-1739 (1)

IV. Related Vulnerabilities

Same product: pcf
Same vendor: Free5GC
Same weakness: CWE-476

V. Comments for CVE-2026-1739

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