Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8269Open5GS SMF smf_nsmf_handle_create_sm_context 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 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 59.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function smf_nsmf_handle_create_sm_context of the component SMF. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could 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-362566 | Open5GS SMF smf_nsmf_handle_create_sm_context denial of service vdb-entry, technical-description
- VDB-362566 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #808486 | Open5gs SMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4450 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product