CVE-2026-8119 Open5GS NSSF nghttp2-server.c ogs_sbi_stream_find_by_id denial of service
A local attacker can cause a denial of service in Open5GS NSSF by manipulating the ogs_sbi_stream_find_by_id function.
- 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-2026-8119?
CVE-2026-8119 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was detected in Open5GS up to 2.7.7. Impacted is the function ogs_sbi_stream_find_by_id in the library /lib/sbi/nghttp2-server.c of the component NSSF. Performing a manipulation results in denial of service. Attacking locally is a requirement. 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.
Weakness: CWE-404
Which versions are affected by CVE-2026-8119?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-8119?
No fix has been published for CVE-2026-8119 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-8119 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8119 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-w88m-grx2-xwvr.