What is the CVSS score of CVE-2026-2523?

CVE-2026-2523 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-2026-2523?

Organizations using Open5GS should be aware of moderate risk from CVE-2026-2523 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-2523?

Yes, a public proof-of-concept exploit is available for CVE-2026-2523. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-2523?

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-2026-2523

MEDIUM

Reachable Assertion (CWE-617)

2026-02-16 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 - 21:54 vuln.today

PoC Detected

Feb 18, 2026 - 19:07 vuln.today

Public exploit code

CVE Published

Feb 16, 2026 - 01:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Open5GS versions up to 2.7.6 are vulnerable to a denial of service condition in the SMF component's PDP context request handler, which can be triggered remotely without authentication. An attacker can exploit this reachable assertion flaw to crash the service, and public exploit code is currently available. No patch has been released by the project despite early notification of the issue.

Technical ContextAI

Classified as CWE-617 (Reachable Assertion). Affects Open5Gs. A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.