CVE-2026-1739
Free5GC pcf smpolicy.go HandleCreateSmPolicyRequest null pointer dereference
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.
INFO
Published Date :
Feb. 2, 2026, 2:16 a.m.
Last Modified :
Feb. 11, 2026, 7:35 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Apply the patch with identifier df535f5524314620715e842baf9723efbeb481a7.
- Update Free5GC pcf to a version that includes the fix.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-1739.
| URL | Resource |
|---|---|
| https://github.com/free5gc/free5gc/issues/803 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/free5gc/free5gc/issues/803#issue-3815770007 | Exploit Issue Tracking Third 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 Required VDB Entry |
| https://vuldb.com/?id.343638 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.741194 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-1739 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-1739
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-1739 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-1739 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 11, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:free5gc:pcf:*:*:*:*:*:*:*:* versions up to (including) 1.4.1 Added Reference Type VulDB: https://github.com/free5gc/free5gc/issues/803 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type VulDB: https://github.com/free5gc/free5gc/issues/803#issue-3815770007 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type VulDB: https://github.com/free5gc/pcf/ Types: Product Added Reference Type VulDB: https://github.com/free5gc/pcf/commit/df535f5524314620715e842baf9723efbeb481a7 Types: Patch Added Reference Type VulDB: https://github.com/free5gc/pcf/pull/62 Types: Issue Tracking Added Reference Type VulDB: https://vuldb.com/?ctiid.343638 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.343638 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.741194 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 02, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-476 Added CWE CWE-404 Added Reference https://github.com/free5gc/free5gc/issues/803 Added Reference https://github.com/free5gc/free5gc/issues/803#issue-3815770007 Added Reference https://github.com/free5gc/pcf/ Added Reference https://github.com/free5gc/pcf/commit/df535f5524314620715e842baf9723efbeb481a7 Added Reference https://github.com/free5gc/pcf/pull/62 Added Reference https://vuldb.com/?ctiid.343638 Added Reference https://vuldb.com/?id.343638 Added Reference https://vuldb.com/?submit.741194