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CVE-2026-35400

Estado: AnalizadaMedia (4.3)—

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 20.0.0 to before 27.0.3 and 28.0.1, an endpoint in the publication module was incorrectly trusting the baseURL submitted by a user's POST request rather than the internal LORIS value. This could result in a theoretical attacker with publication module access forging an email to an external domain under the attacker's control which appeared to come from LORIS. This vulnerability is fixed in 27.0.3 and 28.0.1.

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)

Mcgill — Loris

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-35400",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-35400",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-08T19:52:25.879615Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.5,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "aces",
          "product": "Loris",
          "versions": [
            {
              "status": "affected",
              "version": ">= 20.0.0, < 27.0.3"
            },
            {
              "status": "affected",
              "version": ">= 28.0.0, < 28.0.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-04-08T19:25:23.590",
  "references": [
    {
      "url": "https://github.com/aces/Loris/security/advisories/GHSA-6prw-34x8-3gpg",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 20.0.0 to before 27.0.3 and 28.0.1, an endpoint in the publication module was incorrectly trusting the baseURL submitted by a user's POST request rather than the internal LORIS value. This could result in a theoretical attacker with publication module access forging an email to an external domain under the attacker's control which appeared to come from LORIS. This vulnerability is fixed in 27.0.3 and 28.0.1."
    },
    {
      "lang": "es",
      "value": "LORIS (Longitudinal Online Research and Imaging System) es una aplicación web autoalojada que proporciona gestión de datos y proyectos para la investigación en neuroimagen. Desde 20.0.0 hasta antes de 27.0.3 y 28.0.1, un endpoint en el módulo de publicación estaba confiando incorrectamente en la baseURL enviada por una solicitud POST de un usuario en lugar del valor interno de LORIS. Esto podría resultar en que un atacante teórico con acceso al módulo de publicación falsificara un correo electrónico a un dominio externo bajo el control del atacante que pareciera provenir de LORIS. Esta vulnerabilidad está corregida en 27.0.3 y 28.0.1."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mcgill:loris:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "91166D84-04DC-4603-8E1B-ADE86AB22608",
              "versionEndIncluding": "27.0.2",
              "versionStartIncluding": "20.0.0"
            },
            {
              "criteria": "cpe:2.3:a:mcgill:loris:28.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D358B66A-04AC-44F2-8EF6-4332D8AC00F4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}