CVE-2026-84887: medium-severity vulnerability in simular-ai Agent-S
simular-ai Agent-S Model-generated GUI Action Execution Workflow grounding.py denial of service
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.6%
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.
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
Affected products
simular-ai · Agent-Spublic PoCs found — 1
cve_referencegithub.com/outlookgp/CVE/tree/main/AgentS_Action_Parameter_Budget_DoS_Reportunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — simular-ai Agent-S
In the same product, most dangerous first.