A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. 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/4476 | Exploit Issue Tracking |
| https://vuldb.com/submit/817032 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364333 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364333/cti | Permissions Required VDB Entry |
| https://vuldb.com/submit/817032 | Third Party Advisory VDB Entry |
Configurations
History
18 May 2026, 21:16
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://vuldb.com/submit/817032 - Third Party Advisory, VDB Entry |
18 May 2026, 19:17
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/open5gs/open5gs/ - Product | |
| References | () https://github.com/open5gs/open5gs/issues/4476 - Exploit, Issue Tracking | |
| References | () https://vuldb.com/submit/817032 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/364333 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/364333/cti - Permissions Required, VDB Entry | |
| CPE | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* | |
| First Time |
Open5gs
Open5gs open5gs |
17 May 2026, 11:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-17 11:16
Updated : 2026-05-18 21:16
NVD link : CVE-2026-8746
Mitre link : CVE-2026-8746
CVE.ORG link : CVE-2026-8746
JSON object : View
Products Affected
open5gs
- open5gs
