5.3
Medium
CVE-2026-8743 A vulnerability was found in Open5GS up to 2.7.6
Description
A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran_ue_find_by_amf_ue_ngap_id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1. It is suggested to install a patch to address this issue.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Open5GS 2.7 | 2.7.0 → 2.7.6 | No fix stated |
References
- VDB-364330 | Open5GS AMF/MME context.c ran_ue_find_by_amf_ue_ngap_id improper authorization vuldb.com
- VDB-364330 | CTI Indicators (IOB, IOC, TTP, IOA) vuldb.com
- CVE-2026-8743 | CVE Analysis and Report vuldb.com
- Submit #814559 | Open5GS 2.7.6 Incorrect Authorization vuldb.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
Other CVEs of Open5GS
The 125 CVEs of Open5GS →
CVE-2026-107166
A weakness has been identified in Open5GS up to 2.7.7
6.9
Medium
CVE-2026-92417
A vulnerability was found in Open5GS up to 2.8.0
7.1
High
CVE-2026-92416
A vulnerability has been found in Open5GS up to 2.8.0
5.3
Medium
CVE-2026-91855
A security flaw has been discovered in Open5GS up to 2.7.7
6.9
Medium