Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8270Open5GS SMF ogs_nas_parse_qos_rules denial of service
Medium 4.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-362567 | Open5GS SMF ogs_nas_parse_qos_rules denial of service vdb-entry, technical-description
- VDB-362567 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #808488 | Open5gs SMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4451 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product