CVE-2026-8746

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

Configuration 1 (hide)

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

History

18 May 2026, 21:16

Type Values Removed Values Added
References () https://vuldb.com/submit/817032 - Third Party Advisory, VDB Entry () 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/ - () https://github.com/open5gs/open5gs/ - Product
References () https://github.com/open5gs/open5gs/issues/4476 - () https://github.com/open5gs/open5gs/issues/4476 - Exploit, Issue Tracking
References () https://vuldb.com/submit/817032 - () https://vuldb.com/submit/817032 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/364333 - () https://vuldb.com/vuln/364333 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/364333/cti - () 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
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-416

Use After Free