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CVE-2026-2974

Estado: AnalizadaBaja (1.1)—

A vulnerability was identified in AliasVault App up to 0.25.3 on Android/iOS. This vulnerability affects unknown code of the file shared_prefs/aliasvault.xml of the component Backup Handler. The manipulation of the argument accessToken/refreshToken/metadata/key_derivation_params/auth_methods leads to exposure of backup file to an unauthorized control sphere. An attack has to be approached locally. The attack is considered to have high complexity. It is stated that the exploitability is difficult. The exploit is publicly available and might be used.

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Upgrading to version 0.26.0 is able to resolve this issue. The identifier of the patch is 873ecc03f92238e162f98a068ad56069a922b4f6/0bd662320174d8265dfe3b05a04bc13efc960532. It is recommended to upgrade the affected component. The creator of the software explains: "Because of AliasVault's zero-knowledge encryption design, the tokens stored in aliasvault.xml are API session tokens that cannot decrypt the vault on their own: the master password is required for that. So while this isn't a direct vault compromise risk, there's no reason to include them in backups either."

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)

Aliasvault — Aliasvault

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-2974",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-2974",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-23T13:23:46.315906Z"
        }
      }
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    "cvssMetricV2": [
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        "type": "Secondary",
        "source": "cna@vuldb.com",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 1.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
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    ],
    "cvssMetricV40": [
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        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 1.1,
          "Automatable": "NOT_DEFINED",
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
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          "attackComplexity": "HIGH",
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          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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    ]
  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "modules": [
            "Backup Handler"
          ],
          "product": "AliasVault App",
          "versions": [
            {
              "status": "affected",
              "version": "0.25.0"
            },
            {
              "status": "affected",
              "version": "0.25.1"
            },
            {
              "status": "affected",
              "version": "0.25.2"
            },
            {
              "status": "affected",
              "version": "0.25.3"
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              "version": "0.26.0"
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    }
  ],
  "published": "2026-02-23T06:16:16.760",
  "references": [
    {
      "url": "https://github.com/aliasvault/aliasvault/commit/873ecc03f92238e162f98a068ad56069a922b4f6",
      "tags": [
        "Patch"
      ],
      "source": "cna@vuldb.com"
    },
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      "url": "https://github.com/aliasvault/aliasvault/issues/1497",
      "tags": [
        "Issue Tracking"
      ],
      "source": "cna@vuldb.com"
    },
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      "url": "https://github.com/aliasvault/aliasvault/issues/1497#issue-3855176470",
      "tags": [
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      "source": "cna@vuldb.com"
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      "tags": [
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/aliasvault/aliasvault/releases/tag/0.26.0",
      "tags": [
        "Release Notes"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?ctiid.347340",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?id.347340",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
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      "url": "https://vuldb.com/?submit.756058",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?submit.756059",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        },
        {
          "lang": "en",
          "value": "CWE-530"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was identified in AliasVault App up to 0.25.3 on Android/iOS. This vulnerability affects unknown code of the file shared_prefs/aliasvault.xml of the component Backup Handler. The manipulation of the argument accessToken/refreshToken/metadata/key_derivation_params/auth_methods leads to exposure of backup file to an unauthorized control sphere. An attack has to be approached locally. The attack is considered to have high complexity. It is stated that the exploitability is difficult. The exploit is publicly available and might be used. Upgrading to version 0.26.0 is able to resolve this issue. The identifier of the patch is 873ecc03f92238e162f98a068ad56069a922b4f6/0bd662320174d8265dfe3b05a04bc13efc960532. It is recommended to upgrade the affected component. The creator of the software explains: \"Because of AliasVault's zero-knowledge encryption design, the tokens stored in aliasvault.xml are API session tokens that cannot decrypt the vault on their own: the master password is required for that. So while this isn't a direct vault compromise risk, there's no reason to include them in backups either.\""
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una vulnerabilidad en AliasVault App hasta la versión 0.25.3 en Android/iOS. Esta vulnerabilidad afecta a código desconocido del archivo shared_prefs/aliasvault.xml del componente Gestor de Copias de Seguridad. Al manipular el argumento accessToken/refreshToken/metadata/key_derivation_params/auth_methods se logra exponer el archivo de copia de seguridad a una esfera de control no autorizada. El ataque debe realizarse en local. Se considera que el ataque tiene una complejidad alta. Se afirma que es difícil de explotar. El exploit está disponible públicamente y podría ser utilizado. La actualización a la versión 0.26.0 puede resolver este problema. El identificador del parche es 873ecc03f92238e162f98a068ad56069a922b4f6/0bd662320174d8265dfe3b05a04bc13efc960532. Se recomienda actualizar el componente afectado. El creador del software explica: 'Debido al diseño de cifrado de conocimiento cero de AliasVault, los tokens almacenados en aliasvault.xml son tokens de sesión de API que no pueden descifrar la bóveda por sí solos: se necesita la contraseña maestra para ello. Así que, aunque esto no es un riesgo directo de compromiso de la bóveda, tampoco hay razón para incluirlos en las copias de seguridad.'"
    }
  ],
  "lastModified": "2026-06-17T10:32:09.087",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:aliasvault:aliasvault:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F8FA8CA-CE85-4B34-A213-1EA1F726907D",
              "versionEndIncluding": "0.25.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cna@vuldb.com"
}