CVE-2026-2522

MEDIUM
2026-02-16 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 18, 2026 - 19:42 vuln.today
Public exploit code
CVE Published
Feb 16, 2026 - 00:16 nvd
MEDIUM 5.3

Tags

Memory Corruption Open5gs

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.

Analysis

Memory corruption in Open5GS up to version 2.7.6 allows remote attackers to cause denial of service through manipulation of the MME component's esm-build.c file. Public exploit code exists for this vulnerability, and the Open5GS project has not yet released a patch despite early notification.

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Remediation

Within 30 days: Identify affected systems running Open5GS and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: +20

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CVE-2026-2522 vulnerability details – vuln.today
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