CVE-2026-84886mediumCWE-400CWE-404

CVE-2026-84886: medium-severity vulnerability in simular-ai Agent-S

simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption

Published · Updated

Follow this CVE+ Monitor Agent-S

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 6.9epss 0.6%
A vulnerability was determined in simular-ai Agent-S up to 0.3.2. Affected by this vulnerability is the function ImageData of the file gui_agents/s1/utils/ocr_server.py of the component OCR HTTP API. Executing a manipulation of the argument img_bytes can lead to resource consumption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. 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:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
simular-ai · Agent-S
⚠ 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.

CVE-2026-84887MEDIUMsimular-ai Agent-S Model-generated GUI Action Execution Workflow grounding.py denial of serviceEPSS 0.6%CVE-2026-84885MEDIUMsimular-ai Agent-S CodeAgent code_agent.py denial of serviceEPSS 0.5%