CVE-2026-8288

Name: CVE-2026-8288
Creator: NVD / NIST
Published: 2026-05-11T13:16:12.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2026-8288 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c 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. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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%

29.7th 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/4452Exploit, Issue Tracking
https://github.com/open5gs/open5gs/pull/4513Issue Tracking, Patch
https://vuldb.com/submit/808489Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362585Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362585/ctiPermissions Required, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2026-8288?

How severe is CVE-2026-8288?

CVE-2026-8288 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-2026-8288?

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-2026-8288?

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

Scan your code now

Source: NVD / NIST