CVE-2026-10117 Open5GS nghttp2-server.c ogs_pool_id_calloc denial of service
Remote attackers can cause a denial of service in Open5GS by exploiting a flaw in the SBI server's memory allocation function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10117?
CVE-2026-10117 is a medium-severity denial of service vulnerability in Open5GS, published on 30 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Open5GS up to 2.7.7. This issue affects the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. It is best practice to apply a patch to resolve this issue.
Weakness: CWE-404
Which versions are affected by CVE-2026-10117?
How do I fix CVE-2026-10117?
No fix has been published for CVE-2026-10117 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-2026-10117 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10117 exists.
Sources
Also known as GHSA-fh2x-jcf9-hjr5.