# CVE-2026-84887

## Summary

- **CVE ID:** CVE-2026-84887
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-404
- **Published:** Sep 2, 2026
- **Last Modified:** Sep 3, 2026

## Description

A vulnerability was identified in simular-ai Agent-S up to 0.3.2. Affected by this issue is some unknown functionality of the file grounding.py of the component Model-generated GUI Action Execution Workflow. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected Products

- simular-ai — Agent-S (0.3.0)
- simular-ai — Agent-S (0.3.1)
- simular-ai — Agent-S (0.3.2)

## References

- [CNA](https://vuldb.com/vuln/398136)
- [CNA](https://vuldb.com/vuln/398136/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-84887)
- [CNA](https://vuldb.com/submit/886451)
- [CNA](https://github.com/outlookgp/CVE/tree/main/AgentS_Action_Parameter_Budget_DoS_Report)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 26.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._