CVE-2026-84887
simular-ai Agent-S Denial of Service Vulnerability
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.
INFO
Published Date :
Sept. 2, 2026, 10:20 p.m.
Last Modified :
Sept. 2, 2026, 10:20 p.m.
Remotely Exploit :
No
Source :
None
Affected Products
The following products are affected by CVE-2026-84887
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update simular-ai Agent-S to a version later than 0.3.2.
- Apply vendor patches when available.
- Monitor for public exploit usage.
- Restrict access to grounding.py if possible.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-84887.
| URL | Resource |
|---|---|
| https://vuldb.com/vuln/398136 | vdb-entry |
| https://vuldb.com/vuln/398136/cti | signature permissions-required |
| https://vuldb.com/cve/CVE-2026-84887 | third-party-advisory |
| https://vuldb.com/submit/886451 | third-party-advisory |
| https://github.com/outlookgp/CVE/tree/main/AgentS_Action_Parameter_Budget_DoS_Report | exploit |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-84887 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-84887
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-84887 vulnerability anywhere in the article.