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OBS-2026-000067: CVE-2026-40933

1. Observe What changed? →
2. Understand Why does it matter? →
3. Track How does risk evolve? →
4. Predict What happens next? →
5. Decide What to do? →
6. Verify What happened? →
7. Remember Persistent memory
IMMUTABLE CANONICAL OBSERVATION

OBS-2026-000067

Target Entity: CVE-2026-40933 — Flowise AI MCP Adapter Stdio Command Injection Remote Code Execution

MODE: RETROSPECTIVE

Methodology: HTS-3.1
Observed UTC:
2026-05-14T00:00:00.000Z
Event Date:
2026-05-14
Epistemic State:
● KNOWN
Cryptographic Digest:
sha256-60ae7b1050d50ce…

This canonical observation confirms the following factual event on the threat surface:

Hermes Threat Score (HTS)
96 / 100
EXTREME
CVSS v3.1
9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS (30-Day Exploitation)
78.5%
Percentile: 98.1th
Weaponization & CISA KEV

🛡️ Not in KEV

Exploit Maturity: functional

Hermes rejects false certainty and explicitly exposes its decomposed confidence vector:

Evidence Integrity94%
Model Stability97%
Data Completeness95%
Actionable Decisiveness85%

Observation OBS-2026-000067 is strictly anchored to verified records from the following primary entities:

  • NVD CVE-2026-40933 Record
  • Flowise GitHub Advisory & Release 3.1.0
  • Obsidian Security MCP Threat Research

Primary Source → OBS-2026-000067 → CVE-2026-40933 → Risk Trajectory → Action Directive


4. Target Entity & Correlated Intelligence

Section titled “4. Target Entity & Correlated Intelligence”

5. Observation Sequence & Chain of Custody

Section titled “5. Observation Sequence & Chain of Custody”

Chronological lineage for entity CVE-2026-40933:

  • Preceding Observation: None (Initial Baseline)
  • Succeeding Observation: OBS-2026-000068
Observation IDDateModeScoreObserved Fact
👉 OBS-2026-0000672026-05-14RETROSPECTIVE96Initial baseline observation created upon public disclosure and ingestion.
OBS-2026-0000682026-09-18RETROSPECTIVE96State change observed: threat score adjusted by +0 points; CISA KEV or weaponized exploit verified.

6. Reproducibility & Cryptographic Verification

Section titled “6. Reproducibility & Cryptographic Verification”

(Section 77 Mandate: “Observations must be reproducible”)

Fetch and verify this observation record directly from the machine-readable API:

Terminal window
# 1. Fetch canonical observation record
curl -sSL https://hermes-codex.vercel.app/api/observations/OBS-2026-000067.json
# 2. Verify cryptographic SHA-256 integrity
curl -sSL https://hermes-codex.vercel.app/api/observations/OBS-2026-000067.json | sha256sum
{
"type": "observed-data",
"spec_version": "2.1",
"id": "observed-data--d0484aa6-0fb8-b94a-a363-df323620033f",
"created_by_ref": "identity--hermes-codex-threat-observatory",
"created": "2026-05-14T00:00:00.000Z",
"modified": "2026-05-14T00:00:00.000Z",
"first_observed": "2026-05-14T00:00:00.000Z",
"last_observed": "2026-05-14T00:00:00.000Z",
"number_observed": 1,
"external_references": [
{
"source_name": "hermes-codex",
"external_id": "OBS-2026-000067",
"url": "https://hermes-codex.vercel.app/observations/obs-2026-000067/"
}
],
"object_marking_refs": [
"marking-definition--tlp-clear"
],
"custom_properties": {
"x_hermes_threat_score": 96,
"x_hermes_severity": "EXTREME",
"x_hermes_epistemic_state": "KNOWN",
"x_hermes_methodology": "HTS-3.1",
"x_hermes_integrity_hash": "sha256-60ae7b1050d50ce3216de99ee3ad3e2d4e092c1eab39cabcd1ccfc7d7f63a49c"
}
}