CVE-2026-87993

Estado: Pendiente de análisisAlta (7.7)—

The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Puntuación base: 7.7

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.38%
Percentil entre todas las CVEs puntuadas: 29
Fecha de la puntuación: 4/10/2026

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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1552.001 Credentials In Filescredential access90 %

Acceso remoto con autenticación (PR:L) a servicio remoto; revelación de secretos Vault en mensajes de error y logs (CWE-532: información sensible expuesta).

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

Vulnerability Scanning User Training Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management Password Policies

Tecnologías afectadas (1)

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

Hashicorp — Consul-template^AI

CWE

CWE-532

Referencias

https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740

JSON original (NVD)

Mostrar

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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-87993",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-10T19:21:10.302684Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "baseScore": 7.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.1
      }
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      "source": "security@hashicorp.com",
      "affectedData": [
        {
          "repo": "https://github.com/hashicorp/consul-template/",
          "vendor": "HashiCorp",
          "product": "Tooling",
          "versions": [
            {
              "status": "affected",
              "version": "0.27.2",
              "lessThan": "0.43.0",
              "versionType": "semver"
            }
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          "platforms": [
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            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
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        }
      ]
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  ],
  "published": "2026-09-10T19:17:39.130",
  "references": [
    {
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740",
      "source": "security@hashicorp.com"
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  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
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    {
      "lang": "en",
      "value": "The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0."
    }
  ],
  "lastModified": "2026-09-10T20:17:31.217",
  "sourceIdentifier": "security@hashicorp.com"
}