A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched 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.
References
| Link | Resource |
|---|---|
| https://github.com/open5gs/open5gs/ | Product |
| https://github.com/open5gs/open5gs/issues/4447 | Exploit Issue Tracking |
| https://vuldb.com/submit/808483 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/362563 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/362563/cti | Permissions Required VDB Entry |
Configurations
History
12 May 2026, 17:20
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* | |
| First Time |
Open5gs
Open5gs open5gs |
|
| References | () https://github.com/open5gs/open5gs/ - Product | |
| References | () https://github.com/open5gs/open5gs/issues/4447 - Exploit, Issue Tracking | |
| References | () https://vuldb.com/submit/808483 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/362563 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/362563/cti - Permissions Required, VDB Entry |
11 May 2026, 04:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-11 04:16
Updated : 2026-05-12 17:20
NVD link : CVE-2026-8266
Mitre link : CVE-2026-8266
CVE.ORG link : CVE-2026-8266
JSON object : View
Products Affected
open5gs
- open5gs
CWE
CWE-404
Improper Resource Shutdown or Release