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.
Published: 2026-08-27
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 31 Aug 2026 19:15:00 +0000

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

Mon, 31 Aug 2026 17:30:00 +0000

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'}


Thu, 27 Aug 2026 18:00:00 +0000

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

Thu, 27 Aug 2026 16:45:00 +0000

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

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-31T16:27:12.904Z

Reserved: 2026-03-04T00:00:00.000Z

Link: CVE-2026-30045

cve-icon Vulnrichment

Updated: 2026-08-31T16:27:05.121Z

cve-icon NVD

Status : Deferred

Published: 2026-08-27T17:17:50.180

Modified: 2026-08-31T20:59:32.817

Link: CVE-2026-30045

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T19:00:04Z

Weaknesses