CVE-2026-84885 simular-ai Agent-S CodeAgent code_agent.py denial of service
Remote attackers can cause denial of service in simular-ai Agent-S CodeAgent via code_agent.py, with no vendor response or fix available.
- 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-2026-84885?
CVE-2026-84885 is a medium-severity denial of service vulnerability in simular-ai Agent-S, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in simular-ai Agent-S 0.3.1/0.3.2. This impacts an unknown function of the file code_agent.py of the component CodeAgent. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-404
Which versions are affected by CVE-2026-84885?
How do I fix CVE-2026-84885?
No fix has been published for CVE-2026-84885 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-2026-84885 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84885 exists.
Sources
Also known as GHSA-5wcc-3m77-2xf5.