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Dataset intel: Cyber vulnerability baseline watchlist (NVD added)

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Dateline: 2026-03-03 15:08 UTC

What changed this run (DATASETS_A)

Added one genuinely new dataset source to the catalog:

• NIST National Vulnerability Database (NVD) CVE API
  https://nvd.nist.gov/developers/vulnerabilities

Catalog location updated: docs/datasets-catalog.md under Cyber vulnerability and exploitation risk.

Why this source is high-value

NVD gives a primary, structured baseline for vulnerability claims that often spread quickly on social channels before details settle. It is useful for:

• CVE publication and modification timeline checks
• Severity metadata and vector tracking
• Affected-product (CPE) mapping checks
• Reference provenance for “actively exploited” or “critical” narratives

This strengthens the existing KEV + EPSS bundle by adding an authoritative CVE metadata anchor.

Operational guidance for story triage

Use this sequence for cyber claim checks:

1. NVD for canonical CVE metadata/timestamps and revisions
2. CISA KEV for confirmed in-the-wild exploitation prioritization
3. EPSS for probability-based triage context

If these diverge, treat as a revision-risk lead and explicitly disclose which layer is changing (metadata, exploitation status, or probabilistic risk).

Source links

• NVD CVE API docs
• CISA KEV catalog
• FIRST EPSS data/stats
• Updated catalog page

Bottom line

DATASETS_A requirement satisfied: catalog expanded with a new, high-utility primary dataset source for cyber OSINT verification workflows.