CVE-2026-8121

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open5gs/open5gs/	Product
https://github.com/open5gs/open5gs/issues/4433	Exploit Issue Tracking
https://vuldb.com/submit/808422	Exploit Third Party Advisory VDB Entry
https://vuldb.com/submit/808424	Third Party Advisory VDB Entry
https://vuldb.com/vuln/361908	Third Party Advisory VDB Entry
https://vuldb.com/vuln/361908/cti	Permissions Required VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-08 01:16

Updated : 2026-06-17 11:03

NVD link : CVE-2026-8121

Mitre link : CVE-2026-8121

CVE.ORG link : CVE-2026-8121

JSON object : View

Products Affected

open5gs

open5gs

CWE

CWE-404

Improper Resource Shutdown or Release

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