CVE-2026-15194 Open5GS AMF context.c amf_context_final use after free
A local attacker can exploit a use-after-free flaw in Open5GS AMF to potentially execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15194?
CVE-2026-15194 is a medium-severity use after free vulnerability in Open5GS, published on 9 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in Open5GS 2.7.7. This affects the function amf_context_final of the file src/amf/context.c of the component AMF. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-15194?
How do I fix CVE-2026-15194?
No fix has been published for CVE-2026-15194 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-15194 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15194 exists.
Sources
Also known as GHSA-7vwm-q9fw-cfjw, GHSA-88pq-hpwv-2vjw.