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CVE-2026-85220

Estado: AplazadaBaja (3.7)—

A vulnerability in the Thinkst Canary honeypot Redis service allows an unauthenticated remote attacker to execute a Denial-of-Service attack against the honeypot.

The vulnerability is accessible when the Redis service is enabled only.

The Canary is NOT affected if the Redis service is disabled.

Thinkst has addressed this issue on all supported platforms.

New update files to address this issue are available on all platforms except Docker. For Docker customers, a new Docker image has been published which includes the patch. Customers with automatic updates enabled already have updates in distribution. If automatic updates are disabled, customers are advised to update their Canaries.

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Workarounds are available for customers unable to update at this time.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad en servicio Redis expuesto en red (AV:N, sin autenticación requerida) que permite DoS contra el honeypot Canary; impacto exclusivamente de disponibilidad (A:L).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Redis — RedisAIThinkst — CanaryAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-85220",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-85220",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-21T14:36:45.444422Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
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  },
  "affected": [
    {
      "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425",
      "affectedData": [
        {
          "vendor": "Thinkst Applied Research",
          "product": "Canary",
          "versions": [
            {
              "status": "unaffected",
              "version": "5.1.2",
              "versionType": "custom"
            },
            {
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              "version": "5.2.2",
              "versionType": "custom"
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            {
              "status": "unaffected",
              "version": "5.3.2",
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            {
              "status": "unaffected",
              "version": "5.4.2",
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              "status": "unaffected",
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            {
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              "version": "5.6.4",
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              "status": "unaffected",
              "version": "5.7.2",
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  ],
  "published": "2026-09-21T14:17:22.007",
  "references": [
    {
      "url": "https://canary.tools/security-advisories/tc-2026-01.txt",
      "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425",
      "description": [
        {
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          "value": "CWE-770"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Thinkst Canary honeypot Redis service allows an unauthenticated remote attacker to execute a Denial-of-Service attack against the honeypot.\n\nThe vulnerability is accessible when the Redis service is enabled only.\n\nThe Canary is NOT affected if the Redis service is disabled.\n\nThinkst has addressed this issue on all supported platforms.\n\nNew update files to address this issue are available on all platforms except Docker. For Docker customers, a new Docker image has been published which includes the patch. Customers with automatic updates enabled already have updates in distribution. If automatic updates are disabled, customers are advised to update their Canaries.\n\nWorkarounds are available for customers unable to update at this time."
    }
  ],
  "lastModified": "2026-09-22T19:41:38.447",
  "sourceIdentifier": "0f2be0ad-3469-4e56-b38f-4eb96719b425"
}