Remote Code Execution Vulnerability in Free5GC by Free5GC
CVE-2026-1975

6.9MEDIUM

Key Information:

Vendor

Free5GC

Status
Free5gc
Vendor
CVE Published:
6 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1975?

A security flaw has been identified in Free5GC, affecting versions up to 4.1.0. The vulnerability arises from the identityTriggerType function in the pfcp_reports.go file, leading to a null pointer dereference. This flaw allows attackers to execute exploits remotely, putting systems at risk. It is crucial for users to apply the available patches to mitigate the threat and safeguard their infrastructure.

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Affected Version(s)

Free5GC 4.0

Free5GC 4.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1975 - Proof of Concept

References

https://vuldb.com/?id.344497
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344497
signaturepermissions-required
https://vuldb.com/?submit.743238
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LinZiyu (VulDB User)
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