simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption (CVE-2026-84886) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-84886

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

Answer in brief

CVE-2026-84886 records a Unknown severity vulnerability in simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption. The current sources do not mark it as known exploited. The current feed maps simular-ai/Agent-S (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 2, 2026Updated Sep 2, 2026Source checked Sep 2, 2026First seen by HOL Sep 2, 2026Material review Sep 2, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps simular-ai/Agent-S (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
simular-ai/Agent-Sgeneric	0.3.0 \|\| 0.3.1 \|\| 0.3.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for simular-ai/Agent-S.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 2, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.