CVE-2026-8730

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-05-17 05:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 11:04 UTC Last updatedMost recent change to the record

Details

Published

2026-05-17 05:16 UTC

Last modified

2026-06-17 11:04 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-404

Record status

Analyzed

Affected

• open5gs ≤ 2.7.6

Attack profile CVSS 4.0 · 2.1

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low