A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
History

Wed, 18 Feb 2026 19:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

Tue, 17 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 16 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs

Sun, 15 Feb 2026 23:45:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Title Open5GS MME esm-build.c memory corruption
Weaknesses CWE-119
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-02-15T23:32:06.700Z

Updated: 2026-02-17T17:22:13.510Z

Reserved: 2026-02-15T08:38:26.971Z

Link: CVE-2026-2522

cve-icon Vulnrichment

Updated: 2026-02-17T17:22:10.457Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-16T00:16:07.550

Modified: 2026-02-18T19:42:15.990

Link: CVE-2026-2522

cve-icon Redhat

No data.