Vulnerability · Published Sep 6, 2026 · Assigned by VulDB
CVE-2026-86212Open5GS AMF/MME improper authorization
Medium 4.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-285, CWE-266 · Vector: 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
References
- VDB-399348 | Open5GS AMF/MME improper authorization vdb-entry
- VDB-399348 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- CVE-2026-86212 | CVE Analysis and Report third-party-advisory
- Submit #896623 | Open5GS v2.8.0 Improper Authorization leading to Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4680 exploit, issue-tracking
- https://github.com/open5gs/open5gs/commit/9468de94caed2fc940f4a23cbf734651896d0fde patch
- https://github.com/open5gs/open5gs/ product