CVE-2026-86212
Open5GS AMF/MME improper authorization
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 6, 2026
- Updated
- Sep 11, 2026
- Reserved
- Sep 5, 2026
Description
A vulnerability has been found in Open5GS 2.7.7/2.8.0. This vulnerability affects unknown code of the component AMF/MME. The manipulation leads to improper authorization. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9468de94caed2fc940f4a23cbf734651896d0fde. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-399348 | Open5GS AMF/MME improper authorizationvdb-entry
- VDB-399348 | CTI Indicators (IOB, IOC, TTP)signaturepermissions-required
- CVE-2026-86212 | CVE Analysis and Reportthird-party-advisory
- Submit #896623 | Open5GS v2.8.0 Improper Authorization leading to Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4680exploitissue-tracking
- https://github.com/open5gs/open5gs/commit/9468de94caed2fc940f4a23cbf734651896d0fdepatch
- https://github.com/open5gs/open5gs/product
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