OBS-2026-000154: CVE-2026-76461
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-2026-000154
Target Entity: CVE-2026-76461 — Cisco Secure Email Gateway AsyncOS Email Parsing SQL Injection Remote Code Execution
MODE: RETROSPECTIVE
Methodology: HTS-3.1
Observed UTC:
2026-09-14T00:00:00.000ZEvent Date:
2026-09-14Epistemic State:
● KNOWN
● KNOWN
Cryptographic Digest:
sha256-cf8aab20a82c57a…1. Verified Evidence & Observed State
Section titled “1. Verified Evidence & Observed State”This canonical observation confirms the following factual event on the threat surface:
Hermes Threat Score (HTS)
97 / 100
EXTREME
CVSS v3.1
9.8
EPSS (30-Day Exploitation)
94.2%
Percentile: 99.1th
Weaponization & CISA KEV
🚨 Listed in CISA KEV
Exploit Maturity: weaponized
2. Decomposed Epistemic Confidence Vector
Section titled “2. Decomposed Epistemic Confidence Vector”Hermes rejects false certainty and explicitly exposes its decomposed confidence vector:
Evidence Integrity99%
Model Stability98%
Data Completeness95%
Actionable Decisiveness96%
3. Primary Sources & Provenance Chain
Section titled “3. Primary Sources & Provenance Chain”Observation OBS-2026-000154 is strictly anchored to verified records from the following primary entities:
- Cisco Security Advisory cisco-sa-esa-inj-2bLVGmhX
- CISA Known Exploited Vulnerabilities Catalog (BOD 26-04)
- NVD CVE-2026-76461 Record
Causal Intelligence Lineage
Section titled “Causal Intelligence Lineage”Primary Source → OBS-2026-000154 → CVE-2026-76461 → Risk Trajectory → Action Directive
4. Target Entity & Correlated Intelligence
Section titled “4. Target Entity & Correlated Intelligence”- Primary Vulnerability Dossier: CVE-2026-76461
- Impacted Software Product :
Cisco Secure Email Gateway(cisco ecosystem) - Dynamic Risk Trajectories: View risk trajectory analysis
- Decision Engine: View prescriptive remediation directives
5. Observation Sequence & Chain of Custody
Section titled “5. Observation Sequence & Chain of Custody”Chronological lineage for entity CVE-2026-76461:
- Preceding Observation: None (Initial Baseline)
- Succeeding Observation: None (Latest Observation)
| Observation ID | Date | Mode | Score | Observed Fact |
|---|---|---|---|---|
👉 OBS-2026-000154 | 2026-09-14 | RETROSPECTIVE | 97 | Initial baseline observation created upon public disclosure and ingestion. |
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:
# 1. Fetch canonical observation recordcurl -sSL https://hermes-codex.vercel.app/api/observations/OBS-2026-000154.json
# 2. Verify cryptographic SHA-256 integritycurl -sSL https://hermes-codex.vercel.app/api/observations/OBS-2026-000154.json | sha256sumOASIS STIX 2.1 Mapping (observed-data)
Section titled “OASIS STIX 2.1 Mapping (observed-data)”{ "type": "observed-data", "spec_version": "2.1", "id": "observed-data--06bdc2cd-7666-a1ad-2587-515527e1045e", "created_by_ref": "identity--hermes-codex-threat-observatory", "created": "2026-09-14T00:00:00.000Z", "modified": "2026-09-14T00:00:00.000Z", "first_observed": "2026-09-14T00:00:00.000Z", "last_observed": "2026-09-14T00:00:00.000Z", "number_observed": 1, "external_references": [ { "source_name": "hermes-codex", "external_id": "OBS-2026-000154", "url": "https://hermes-codex.vercel.app/observations/obs-2026-000154/" } ], "object_marking_refs": [ "marking-definition--tlp-clear" ], "custom_properties": { "x_hermes_threat_score": 97, "x_hermes_severity": "EXTREME", "x_hermes_epistemic_state": "KNOWN", "x_hermes_methodology": "HTS-3.1", "x_hermes_integrity_hash": "sha256-cf8aab20a82c57ad6ff80a741300c5f31f5226306a4d4d52bcbae6624bfc057d" }}