CVE-2026-8730

Name: CVE-2026-8730
Creator: NVD / NIST
Published: 2026-05-17T05:16:16.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2026-8730 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A flaw has been found in Open5GS up to 2.7.6. This impacts the function ogs_sbi_nf_instance_set_id in the library /lib/sbi/context.c of the component NRF. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

A flaw has been found in Open5GS up to 2.7.6. This impacts the function ogs_sbi_nf_instance_set_id in the library /lib/sbi/context.c of the component NRF. Executing a manipulation of the argument nfInstanceId can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.38%

29.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	<= 2.7.6

References

https://github.com/open5gs/open5gs/Product
https://github.com/open5gs/open5gs/issues/4462Exploit, Issue Tracking
https://vuldb.com/submit/808514Third Party Advisory, VDB Entry
https://vuldb.com/vuln/364319Third Party Advisory, VDB Entry
https://vuldb.com/vuln/364319/ctiPermissions Required, VDB Entry

Timeline

Published: May 17, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8730?

How severe is CVE-2026-8730?

CVE-2026-8730 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8730?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-8730?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST