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CVE-2026-55370

Estado: AplazadaMedia (6.4)—

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's existing TOTP verification accepted a successfully used TOTP code again while the code remained inside the RFC 6238 acceptance window because the verifier used otplib's stateless check with window = 1 and did not persist or compare the accepted TOTP time-step counter. An attacker who has the victim's first factor and captures a live TOTP value can replay that value to satisfy MFA during the same acceptance window. This issue is fixed in version 1.41.0.

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).

Tecnologías afectadas (1)

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

Logto — LogtoAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-55370",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-55370",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-10T20:14:33.407390Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "logto-io",
          "product": "logto",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.41.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-07-10T20:16:46.333",
  "references": [
    {
      "url": "https://github.com/logto-io/logto/commit/9118867f6cbadc7291cf913beb4fede91ed5d374",
      "source": "security-advisories@github.com"
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    {
      "url": "https://github.com/logto-io/logto/pull/9109",
      "source": "security-advisories@github.com"
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      "url": "https://github.com/logto-io/logto/releases/tag/v1.41.0",
      "source": "security-advisories@github.com"
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      "url": "https://github.com/logto-io/logto/security/advisories/GHSA-6wj7-c66m-6c82",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-294"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's existing TOTP verification accepted a successfully used TOTP code again while the code remained inside the RFC 6238 acceptance window because the verifier used otplib's stateless check with window = 1 and did not persist or compare the accepted TOTP time-step counter. An attacker who has the victim's first factor and captures a live TOTP value can replay that value to satisfy MFA during the same acceptance window. This issue is fixed in version 1.41.0."
    }
  ],
  "lastModified": "2026-07-13T19:21:55.683",
  "sourceIdentifier": "security-advisories@github.com"
}