CVE-2026-71281

{
  "id": "CVE-2026-71281",
  "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
  "published": "2026-08-05T13:24:52.723",
  "lastModified": "2026-10-23T21:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hugging Face peft's LoRA-GA and CorDA initialization modules (src/peft/tuners/lora/corda.py lines ~102 and ~163, and src/peft/tuners/lora/loraga.py line ~101) call torch.load on config-specified cache/covariance files without weights_only=True, bypassing peft's own safe-loading wrapper used elsewhere in the codebase."
    },
    {
      "lang": "es",
      "value": "Los módulos de inicialización de LoRA-GA y CorDA de peft de Hugging Face (src/peft/tuners/lora/corda.py líneas ~102 y ~163, y src/peft/tuners/lora/loraga.py línea ~101) llaman a torch.load() en archivos de caché/covarianza especificados en la configuración sin weights_only=True, eludiendo el propio envoltorio de carga segura de peft utilizado en otras partes de la base de código. Debido a que torch.load() sin weights_only=True realiza una deserialización completa de pickle, la carga de un archivo de caché o covarianza malicioso (por ejemplo, una caché de LoRA-GA o CorDA compartida/descargada) resulta en ejecución de código arbitrario."
    }
  ],
  "affected": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "affectedData": [
        {
          "vendor": "huggingface",
          "product": "peft",
          "defaultStatus": "unaffected",
          "programFiles": [
            "src/peft/tuners/lora/corda.py",
            "src/peft/tuners/lora/loraga.py"
          ],
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "0.19.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-05T15:51:18.837851Z",
          "id": "CVE-2026-71281",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/huggingface/peft",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    },
    {
      "url": "https://github.com/huggingface/peft/blob/main/src/peft/tuners/lora/corda.py",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    }
  ]
}