Medium severity · published Sep 6, 2026
CVE-2026-86212
Open5GS AMF/MME improper authorization
4.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.7; 2.8.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86212
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86212
github.com
https://github.com/open5gs/open5gs/
github.com
https://github.com/open5gs/open5gs/commit/9468de94caed2fc940f4a23cbf734651896d0fde
github.com
https://github.com/open5gs/open5gs/issues/4680
vuldb.com
https://vuldb.com/cve/CVE-2026-86212
vuldb.com
https://vuldb.com/submit/896623
vuldb.com
https://vuldb.com/vuln/399348
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