Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8267Open5GS SMF smf_nsmf_handle_created_data_in_vsmf 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 31% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 68.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This manipulation causes denial of service. The attack may be initiated remotely. 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.
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-362564 | Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service vdb-entry, technical-description
- VDB-362564 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #808484 | Open5gs SMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4448 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product