Vulnerability · Published Feb 16, 2026 · Assigned by VulDB
CVE-2026-2524Open5GS MME mme_s11_handle_create_session_response denial of service
Medium 5.3
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 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 47.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Open5GS 2.7.6. The impacted element is the function mme_s11_handle_create_session_response of the component MME. This manipulation causes denial of service. The attack can 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:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-346112 | Open5GS MME mme_s11_handle_create_session_response denial of service vdb-entry, technical-description
- VDB-346112 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #738369 | Open5GS MME v2.7.6 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4284 issue-tracking
- https://github.com/open5gs/open5gs/issues/4284#issue-3808462406 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product