Free5GC pcf up to 1.4.1 smpolicy.go HandleCreateSmPolicyRequest null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.16

Summaryinfo

A vulnerability categorized as problematic has been discovered in Free5GC pcf up to 1.4.1. This impacts the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation results in null pointer dereference. This vulnerability was named CVE-2026-1739. The attack may be performed from remote. In addition, an exploit is available. It is best practice to apply a patch to resolve this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability classified as problematic has been found in Free5GC pcf up to 1.4.1. Affected is the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-1739. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch df535f5524314620715e842baf9723efbeb481a7 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: df535f5524314620715e842baf9723efbeb481a7

Timelineinfo

02/01/2026 Advisory disclosed
02/01/2026 +0 days VulDB entry created
02/12/2026 +11 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 803
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-1739 (🔒)
GCVE (CVE): GCVE-0-2026-1739
GCVE (VulDB): GCVE-100-343638
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/01/2026 08:55 AM
Updated: 02/12/2026 02:12 AM
Changes: 02/01/2026 08:55 AM (60), 02/02/2026 03:28 AM (31), 02/12/2026 02:12 AM (11)
Complete: 🔍
Submitter: ZiyuLin
Cache ID: 244:4C4:40

Submitinfo

Accepted

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