CVE-2026-8744 Open5GS NRF context.c ogs_sbi_nf_service_add denial of service
Remote attackers can cause denial of service in Open5GS NRF by exploiting a flaw in the context management library.
- 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-2026-8744?
CVE-2026-8744 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 17 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.
Weakness: CWE-404
Which versions are affected by CVE-2026-8744?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-8744?
No fix has been published for CVE-2026-8744 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-2026-8744 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8744 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-pch7-6gr4-gw9w.