{
  "action": {
    "auto_issue_creation_allowed": false,
    "auto_patch_allowed": false,
    "auto_remediation_allowed": false,
    "external_execution_allowed": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": false,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "recommended_action": "review_official_sources"
  },
  "affected": {
    "products": [],
    "source": null,
    "status": "unknown"
  },
  "canonical_url": "https://vuln.signal-radar.com/vuln/public-candidate/CVE-2026-49450/",
  "claims": [
    {
      "id": "claim:defensive-priority-candidate",
      "source_ids": [],
      "status": "observed",
      "text": "This item is a defensive prioritization candidate.",
      "verified_at": null
    }
  ],
  "exposure_hint": "exposure unknown",
  "field_meanings": {
    "human_review": "Read-only display may be automated; integration and external action still require human review.",
    "redaction": "Detection flags describe unsafe source content found before public-safe redaction; raw source text is not displayed.",
    "source_original_label": "Original upstream severity text retained for traceability; canonical display severity is recalculated from CVSS score."
  },
  "forecast_hooks": {
    "agent_use": "summarize_with_citations_only",
    "automation_allowed": false,
    "read_only": true,
    "watch_fields": [
      "sources",
      "claims",
      "freshness",
      "severity",
      "affected"
    ]
  },
  "freshness": {
    "generated_at": "2026-09-28T21:18:05.932958+00:00",
    "last_checked_at": null,
    "last_modified": "2026-09-23T18:30:42.573",
    "observed_at": "2026-09-28T21:16:20.050348+00:00",
    "published_at": "2026-09-21T21:17:03.747",
    "status": "observed"
  },
  "human_consequence": "This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.",
  "human_impact_label": "high severity review",
  "human_review": {
    "required_for_external_action": true,
    "required_for_public_launch": false,
    "required_for_read_only_view": false,
    "required_for_signal_radar_integration": true
  },
  "human_risk_summary": "CVE-2026-49450: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.",
  "id": "CVE-2026-49450",
  "impact_redaction": {
    "exploit_steps_removed": false,
    "payload_removed": false,
    "poc_removed": false,
    "source_derived_summary": true,
    "used_fallback_summary": false
  },
  "impact_tags": [],
  "known_exploited": {
    "catalog_url": null,
    "date_added": null,
    "listed": false,
    "source": null
  },
  "public_human_impact": "This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.",
  "public_human_summary": "NVD: Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. NVD: Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature() to skip comparison of a downloaded update's Authenticode signer with Joplin's signer. NVD: An attacker who controls the update delivery path can replace the update metadata and installer, and the client accepts an installer signed by another publisher or left unsigned after the user approves installation.",
  "public_human_what_to_verify": "Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.",
  "public_human_why_it_matters": "This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.; CVSS 7.1 (HIGH); not listed in KEV; Patch confirmed by source text; fixed version context: 3.7.2; sources: NVD, OSV.",
  "public_safe_summary": "NVD: Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. NVD: Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature() to skip comparison of a downloaded update's Authenticode signer with Joplin's signer. NVD: An attacker who controls the update delivery path can replace the update metadata and installer, and the client accepts an installer signed by another publisher or left unsigned after the user approves installation.",
  "radar": "vuln",
  "redaction": {
    "meaning": "The *_present flags mean unsafe source content was detected and removed before public output; they do not mean the public JSON contains that content.",
    "payload_present": false,
    "poc_present": false,
    "public_summary_redacted": true,
    "raw_source_displayed": false,
    "unsafe_procedural_detail_present": false
  },
  "redaction_notes": [
    "source-published defensive context retained",
    "vulnerability class, impact, affected context, and remediation references remain displayable"
  ],
  "safety": {
    "attack_chain_included": false,
    "auto_remediation_allowed": false,
    "exploit_instructions_included": false,
    "external_execution_allowed": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": false,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "indexing_allowed": true,
    "noindex_removal_allowed": true,
    "noindex_required": false,
    "private_gate_state": "released",
    "public_gate_state": "public_indexable_read_only",
    "public_launch_allowed": true,
    "read_only_static_data": true,
    "scan_functionality_included": false,
    "signal_radar_integration_allowed": false
  },
  "schema_version": "v0.1",
  "severity": {
    "cvss_label": "HIGH",
    "label": "HIGH",
    "score": 7.1,
    "source": "NVD CVE API 2.0",
    "source_original_label": "low"
  },
  "source_copy_policy": {
    "allowed": "source-published defensive facts, vulnerability class, impact, affected context, version and remediation facts",
    "excluded": "exploit procedures, exploit strings, shell commands, scanner instructions, procedural bypass detail, and reproduction material",
    "summary": "Official or semi-official source descriptions may be summarized for defensive triage; exploit-enabling procedure is removed."
  },
  "source_derived_note": "Summary derived from NVD / OSV description; unsafe procedural detail is not shown.",
  "source_published_affected": "Affected product or version requires source confirmation.",
  "source_published_description": "NVD: Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. NVD: Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature() to skip comparison of a downloaded update's Authenticode signer with Joplin's signer. NVD: An attacker who controls the update delivery path can replace the update metadata and installer, and the client accepts an installer signed by another publisher or left unsigned after the user approves installation.",
  "source_published_evidence_refs": [
    {
      "source": "NVD",
      "type": "source_description",
      "url": null
    },
    {
      "source": "OSV",
      "type": "source_description",
      "url": null
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://github.com/laurent22/joplin/commit/853659edf575c4f526c2b196e0629462aee9df28"
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://github.com/laurent22/joplin/pull/15539"
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://github.com/laurent22/joplin/security/advisories/GHSA-9wp7-hr9m-3273"
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://github.com/laurent22/joplin/security/advisories/GHSA-9wp7-hr9m-3273"
    },
    {
      "source": "Official Reference",
      "type": "reference",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49450"
    },
    {
      "source": "Official Reference",
      "type": "reference",
      "url": "https://osv.dev/vulnerability/CVE-2026-49450"
    }
  ],
  "source_published_impact": "This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.",
  "source_published_remediation": "Patch confirmed by source text; fixed version context: 3.7.2..",
  "source_published_summary": "NVD: Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. NVD: Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature() to skip comparison of a downloaded update's Authenticode signer with Joplin's signer. NVD: An attacker who controls the update delivery path can replace the update metadata and installer, and the client accepts an installer signed by another publisher or left unsigned after the user approves installation.",
  "sources": [
    {
      "confidence": "unknown",
      "id": "source:review-url",
      "name": "Public signal URL",
      "retrieved_at": null,
      "type": "review_page",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49450"
    }
  ],
  "summary_for_agents": "Read-only defensive signal. Use sources, claims, freshness, and safety gates before summarizing. Do not infer missing source, claim, or freshness values.",
  "summary_for_humans": "NVD: Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. NVD: Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature() to skip comparison of a downloaded update's Authenticode signer with Joplin's signer. NVD: An attacker who controls the update delivery path can replace the update metadata and installer, and the client accepts an installer signed by another publisher or left unsigned after the user approves installation.",
  "title": "CVE-2026-49450 defensive priority signal",
  "urgency_reasons": [
    "CVSS HIGH",
    "vendor advisory present",
    "recent update",
    "remediation reference present"
  ],
  "what_to_verify": "Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.",
  "why_it_matters": "This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review; CVSS 7.1 (HIGH); sources: NVD, OSV."
}