Vulnerability · Published Aug 30, 2026 · Assigned by VulDB
CVE-2026-82588Open5GS Transfer Endpoint namf-handler.c null pointer dereference
Medium 4.3
In plain English
A medium-severity null pointer dereference 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 46% of all known vulnerabilities).
Official description
A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
References
- VDB-397083 | Open5GS Transfer Endpoint namf-handler.c null pointer dereference vdb-entry
- VDB-397083 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-82588 | CVE Analysis and Report third-party-advisory
- Submit #891891 | Open5GS AMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4397 issue-tracking
- https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522 patch
- https://github.com/open5gs/open5gs/releases/tag/v2.8.0 patch
- https://github.com/open5gs/open5gs/ product