Read the docs
TI-2026-58350 Aliases CVE-2026-84886GHSA-wvcq-2rcq-fqc9

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

Priority HIGH 70CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00637 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
simular-aiAgent-S0.3.0; 0.3.1; 0.3.2—No fix listedCNA
  • Agent-S Vendorsimular-ai Affected 0.3.0; 0.3.1; 0.3.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:simular-ai:agent-s:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:simular-ai:agent-s:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84886
  2. 2026-10-03 Alias added: GHSA-wvcq-2rcq-fqc9
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2026-58351 simular-ai Agent-S Model-generated GUI Action Execution Workflow grounding.py denial of service CVSS 4.0MEDIUM 5.3
  • TI-2026-58349 simular-ai Agent-S CodeAgent code_agent.py denial of service CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences