CVE-2026-8270

Name: CVE-2026-8270
Creator: NVD / NIST
Published: 2026-05-11T05:16:15.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2026-8270 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_nas_parse_qos_rules of the component SMF. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_nas_parse_qos_rules of the component SMF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. 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	<= 2.7.7

References

https://github.com/open5gs/open5gs/Product
https://github.com/open5gs/open5gs/issues/4451Exploit, Issue Tracking
https://vuldb.com/submit/808488Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362567Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362567/ctiPermissions Required, VDB Entry

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8270?

How severe is CVE-2026-8270?

CVE-2026-8270 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-2026-8270?

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-2026-8270?

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

Scan your code now

Source: NVD / NIST