CVE-2026-8226 Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of service
Remote attackers can cause a denial of service in Open5GS via the ogs_pcc_rule_install_flow_from_media function, requiring immediate attention from network operators.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8226?
CVE-2026-8226 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 10 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. 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-2026-8226?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2026-8226?
No fix has been published for CVE-2026-8226 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-2026-8226 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8226 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-5qq8-gchc-f3pv.