CVE-2026-8270

MEDIUM

Open5GS SMF ogs_nas_parse_qos_rules denial of service

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362567 | Open5GS SMF ogs_nas_parse_qos_rules denial of service
https://vuldb.com/vuln/362567
Signature, Permissions Required signature permissions-required
VDB-362567 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362567/cti
Third Party Advisory third-party-advisory
Submit #808488 | Open5gs SMF v2.7.7 Denial of Service
https://vuldb.com/submit/808488
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4451

Scores

CVSS v3 4.3
EPSS 0.0038
EPSS Percentile 29.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (9)
None/Open5GS 2.7.0
None/Open5GS 2.7.1
None/Open5GS 2.7.2
None/Open5GS 2.7.3
None/Open5GS 2.7.4
None/Open5GS 2.7.5
None/Open5GS 2.7.6
None/Open5GS 2.7.7
open5gs/open5gs < 2.7.7
Published May 11, 2026
Tracked Since May 11, 2026