Vulnerability · Published Feb 16, 2026 · Assigned by VulDB
CVE-2026-2523Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion
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 0.6% (higher than 49% of all known vulnerabilities).
Official description
A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public 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-617 · 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-346111 | Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion vdb-entry, technical-description
- VDB-346111 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #738342 | Open5GS SMF v2.7.6 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4285 issue-tracking
- https://github.com/open5gs/open5gs/issues/4285#issue-3809055236 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product