Vulnerability in Simular-Ai Agent-S
CVE-2026-84885
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Simular-Ai Agent-S — versions 0.3.1, 0.3.2
Weakness classification (CWE)
References
- github.com/outlookgp/CVE/tree/main/AgentS_CodeAgent_Tool_Output_DoS_Report (exploit)
- vuldb.com/cve/CVE-2026-84885 (third-party-advisory)
- vuldb.com/submit/886431 (third-party-advisory)
- vuldb.com/vuln/398133 (vdb-entry)
- vuldb.com/vuln/398133/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-84885?
- CVE-2026-84885 is a medium-severity vulnerability in Simular-Ai Agent-S, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-09-03.
- How severe is CVE-2026-84885?
- Medium severity. CVSS v3 base score is 4.3 out of 10.