{
  "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-2026-88021/",
  "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": "2026-09-17T19:05:43.368167+00:00",
    "last_checked_at": null,
    "last_modified": "2026-09-10T20:17:31.317",
    "observed_at": "2026-09-17T19:04:52.852416+00:00",
    "published_at": "2026-09-10T19:17:39.250",
    "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-2026-88021: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.",
  "id": "CVE-2026-88021",
  "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: Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. NVD: When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. NVD: This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.",
  "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); EPSS percentile 16; not listed in KEV; Patch confirmed by source text; fixed version context: Consul; sources: NVD.",
  "public_safe_summary": "NVD: Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. NVD: When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. NVD: This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.",
  "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 description; unsafe procedural detail is not shown.",
  "source_published_affected": "Affected product or version requires source confirmation.",
  "source_published_description": "NVD: Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. NVD: When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. NVD: This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.",
  "source_published_evidence_refs": [
    {
      "source": "NVD",
      "type": "source_description",
      "url": null
    },
    {
      "source": "Reference",
      "type": "reference",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-37-consul-vulnerable-to-an-authorization-bypass-in-the-connect-service-mesh/77739"
    },
    {
      "source": "Official Reference",
      "type": "reference",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88021"
    }
  ],
  "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: Consul.",
  "source_published_summary": "NVD: Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. NVD: When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. NVD: This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.",
  "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-2026-88021"
    }
  ],
  "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: Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. NVD: When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. NVD: This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.",
  "title": "CVE-2026-88021 defensive priority signal",
  "urgency_reasons": [
    "CVSS HIGH",
    "vendor advisory present",
    "recent update"
  ],
  "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); EPSS percentile 16; sources: NVD."
}