What is the CVSS score of CVE-2026-1739?

CVE-2026-1739 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.0%.

Which versions of Pcf are affected by CVE-2026-1739?

Organizations using Free5GC pcf should be aware of moderate risk from CVE-2026-1739 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2026-1739?

Yes, a public proof-of-concept exploit is available for CVE-2026-1739. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-1739?

Within 30 days: Identify affected systems running Free5GC pcf and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Pcf CVE-2026-1739

MEDIUM

Improper Resource Shutdown or Release (CWE-404)

2026-02-02 cna@vuldb.com

Null Pointer Dereference Pcf

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:01 vuln.today

PoC Detected

Feb 11, 2026 - 19:35 vuln.today

Public exploit code

Patch released

Feb 11, 2026 - 19:35 nvd

Patch available

CVE Published

Feb 02, 2026 - 02:16 nvd

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

Remote denial of service in Free5GC PCF versions up to 1.4.1 stems from a null pointer dereference in the SM Policy request handler, allowing unauthenticated attackers to crash the service from the network. Public exploit code exists for this vulnerability, and a patch is available to remediate the issue.

Technical ContextAI

Classified as CWE-404 (Improper Resource Shutdown or Release). Affects 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.