What is the CVSS score of CVE-2026-1586?

CVE-2026-1586 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: 0.1%.

Which versions of Open5gs are affected by CVE-2026-1586?

Organizations using Open5GS should be aware of moderate risk from CVE-2026-1586 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-1586?

Yes, a public proof-of-concept exploit is available for CVE-2026-1586. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-1586?

Within 30 days: Identify affected systems running Open5GS and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Open5gs CVE-2026-1586

MEDIUM

Improper Resource Shutdown or Release (CWE-404)

2026-01-29 cna@vuldb.com

Denial Of Service Open5gs

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 - 22:00 vuln.today

PoC Detected

Feb 23, 2026 - 09:16 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 13:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.

AnalysisAI

Remote denial of service in Open5GS up to version 2.7.5 affects the SGWC component's TEID-to-IP conversion function, allowing unauthenticated attackers to crash the service over the network. Public exploit code exists for this vulnerability, and while a fix has been developed, no official patch is currently available for affected deployments.

Technical ContextAI

Classified as CWE-404 (Improper Resource Shutdown or Release). Affects Open5Gs. A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.