CVE-2026-15720

Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler

Published Jul 14, 2026 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Description
In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.
Title Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat-cnalr
Published
Updated
Jul 15, 2026, 2:02 PM
Reserved
Jul 14, 2026, 12:29 PM
Status
Deferred
Published
Jul 14, 2026, 7:16 PM
Modified
Jul 15, 2026, 8:58 PM