← Vulnerability feed

Vulnerability record · CVE-2026-1739 · published 2 February 2026

CVE-2026-1739: Free5gc pcf improper resource shutdown vulnerability

Free5gc · Pcf

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.

5.5 CVSS 4.0 Medium EPSS 0.74% · top 47.2% CWE-404 · Improper resource shutdownCWE-476 · NULL pointer dereference
5.5CVSS 4.0 base score, v2 5.0
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/free5gc/free5gc/issues/803 ExploitIssue TrackingThird Party Advisory
https://github.com/free5gc/free5gc/issues/803#issue-3815770007 ExploitIssue TrackingThird Party Advisory
https://github.com/free5gc/pcf/ Product
https://github.com/free5gc/pcf/commit/df535f5524314620715e842baf9723efbeb481a7 Patch
https://github.com/free5gc/pcf/pull/62 Issue Tracking
https://vuldb.com/?ctiid.343638 Permissions RequiredVDB Entry
https://vuldb.com/?id.343638 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.741194 Third Party AdvisoryVDB Entry

Track CVE-2026-1739 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2026-41135Free5gc uncontrolled resource consumption vulnerabilityfree5GC UDR is the Policy Control Function (PCF) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. A memory leak v…EPSS 0.54%7.5CVE-2025-66720Free5gc pcf null pointer dereference vulnerabilityNull pointer dereference in free5gc pcf 1.4.0 in file internal/sbi/processor/ampolicy.go in function HandleDeletePoliciesPolAssoId.EPSS 0.47%7.8CVE-2018-8639Windows Win32k memory handling flaw allows privilege elevationThe Win32k component in Windows fails to properly handle objects in memory, creating an elevation of privilege vulnerability. It affects a broad rang…KEVEPSS 22%analysed7.8CVE-2018-8611Windows Kernel Memory Handling Elevation of PrivilegeThe Windows kernel fails to properly handle objects in memory, allowing a local attacker to elevate privileges. The flaw affects a broad set of Windo…KEVEPSS 4.2%analysed7.8CVE-2018-8406Microsoft DirectX Graphics Kernel driver elevation of privilegeThe DirectX Graphics Kernel (DXGKRNL) driver mishandles objects in memory, allowing a local attacker to elevate privileges. It affects Windows 10, Wi…KEVEPSS 3.4%analysed7.8CVE-2018-8405Microsoft DirectX Graphics Kernel driver elevation of privilegeThe DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, allowing an elevation of privilege on affected Windows client and …KEVEPSS 3.4%analysed7.0CVE-2018-8120Windows Win32k memory handling privilege escalationThe Win32k component in Windows fails to properly handle objects in memory, allowing a local attacker to elevate privileges. It affects Windows 7, Wi…KEVEPSS 73%analysed7.5CVE-2017-6627Cisco IOS and IOS XE UDP port 0 packet queue wedge denial of serviceCisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 leave UDP sockets idle without closing them, so UDP packets sent to destination port 0 ac…KEVEPSS 6.2%analysed

Source: NIST National Vulnerability Database (record CVE-2026-1739), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.