CVE-2026-30045

Published Aug 27, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.

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
Title Integer Overflow in Open5GS NNRF Instance Endpoint Causes DoS via HTTP/2 GET
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Integer Overflow in Open5GS NNRF Instance Endpoint Causes DoS via HTTP/2 GET
First Time appeared Open5gs
Open5gs open5gs
Weaknesses CWE-190
Vendors & Products Open5gs
Open5gs open5gs
Type Values Removed Values Added
Description An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 31, 2026, 4:27 PM
Reserved
Mar 4, 2026, 12:00 AM
Status
Deferred
Published
Aug 27, 2026, 5:17 PM
Modified
Aug 31, 2026, 8:59 PM