Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-84886
simular-ai Agent-S OCR HTTP API ocr_server.py ImageData resource consumption
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N L 5.5 .0064 48.7 —
AFFECTED
Product Versions Fixed
Agent-S 0.3.0 – —
TIMELINE
Sep 2 Reserved by VulDB
Sep 2 Published (CNA: VulDB)
Sep 3 RESCORED — CVE-2026-84886 (simular-ai Agent-S). CVSS 6.9 → 5.5 (NVD).
Sep 4 EXPLOIT PUBLISHED — CVE-2026-84886 (simular-ai Agent-S). Public exploit reference added.
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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| September 2, 2026 | Reserved | Reserved by VulDB |
| September 2, 2026 | Published | Published (CNA: VulDB) |
| September 3, 2026 | RESCORED | RESCORED — CVE-2026-84886 (simular-ai Agent-S). CVSS 6.9 → 5.5 (NVD). |
| September 4, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-84886 (simular-ai Agent-S). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| simular-ai | Agent-S | — | 0.3.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84886 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
