{
  "target_cwes": [
    "safe",
    "CWE-20",
    "CWE-22",
    "CWE-78",
    "CWE-79",
    "CWE-89",
    "CWE-94",
    "CWE-119",
    "CWE-125",
    "CWE-190",
    "CWE-200",
    "CWE-264",
    "CWE-269",
    "CWE-276",
    "CWE-284",
    "CWE-287",
    "CWE-310",
    "CWE-327",
    "CWE-330",
    "CWE-352",
    "CWE-362",
    "CWE-399",
    "CWE-401",
    "CWE-416",
    "CWE-434",
    "CWE-476",
    "CWE-502",
    "CWE-601",
    "CWE-787",
    "CWE-798",
    "CWE-918"
  ],
  "cwe_names": {
    "safe": "Safe Code",
    "CWE-20": "Improper Input Validation",
    "CWE-22": "Path Traversal",
    "CWE-78": "OS Command Injection",
    "CWE-79": "XSS",
    "CWE-89": "SQL Injection",
    "CWE-94": "Code Injection",
    "CWE-119": "Buffer Overflow",
    "CWE-125": "Out-of-bounds Read",
    "CWE-190": "Integer Overflow",
    "CWE-200": "Information Exposure",
    "CWE-264": "Permissions",
    "CWE-269": "Privilege Management",
    "CWE-276": "Incorrect Permissions",
    "CWE-284": "Access Control",
    "CWE-287": "Authentication",
    "CWE-310": "Crypto Issues",
    "CWE-327": "Broken Crypto",
    "CWE-330": "Insufficient Randomness",
    "CWE-352": "CSRF",
    "CWE-362": "Race Condition",
    "CWE-399": "Resource Management",
    "CWE-401": "Memory Leak",
    "CWE-416": "Use After Free",
    "CWE-434": "File Upload",
    "CWE-476": "NULL Pointer Deref",
    "CWE-502": "Insecure Deserialization",
    "CWE-601": "Open Redirect",
    "CWE-787": "Out-of-bounds Write",
    "CWE-798": "Hardcoded Credentials",
    "CWE-918": "SSRF"
  },
  "num_labels": 31,
  "cwe_to_owasp": {
    "CWE-22": "A01",
    "CWE-200": "A01",
    "CWE-264": "A01",
    "CWE-276": "A01",
    "CWE-284": "A01",
    "CWE-352": "A01",
    "CWE-601": "A01",
    "CWE-269": "A01",
    "CWE-310": "A02",
    "CWE-327": "A02",
    "CWE-330": "A02",
    "CWE-20": "A03",
    "CWE-78": "A03",
    "CWE-79": "A03",
    "CWE-89": "A03",
    "CWE-94": "A03",
    "CWE-119": "A03",
    "CWE-125": "A03",
    "CWE-190": "A03",
    "CWE-416": "A03",
    "CWE-476": "A03",
    "CWE-401": "A03",
    "CWE-787": "A03",
    "CWE-434": "A04",
    "CWE-362": "A04",
    "CWE-399": "A04",
    "CWE-287": "A07",
    "CWE-798": "A07",
    "CWE-502": "A08",
    "CWE-918": "A10"
  },
  "optimized_thresholds": {
    "safe": 0.5750000000000002,
    "CWE-20": 0.8750000000000003,
    "CWE-22": 0.7750000000000002,
    "CWE-78": 0.7500000000000002,
    "CWE-79": 0.5750000000000002,
    "CWE-89": 0.5250000000000001,
    "CWE-94": 0.7750000000000002,
    "CWE-119": 0.6000000000000002,
    "CWE-125": 0.7000000000000003,
    "CWE-190": 0.8750000000000003,
    "CWE-200": 0.7500000000000002,
    "CWE-264": 0.8250000000000003,
    "CWE-269": 0.5500000000000003,
    "CWE-276": 0.5,
    "CWE-284": 0.6000000000000002,
    "CWE-287": 0.4250000000000001,
    "CWE-310": 0.8000000000000003,
    "CWE-327": 0.5,
    "CWE-330": 0.7250000000000003,
    "CWE-352": 0.5,
    "CWE-362": 0.6250000000000002,
    "CWE-399": 0.9250000000000004,
    "CWE-401": 0.4250000000000001,
    "CWE-416": 0.6000000000000002,
    "CWE-434": 0.3000000000000001,
    "CWE-476": 0.8000000000000003,
    "CWE-502": 0.8750000000000003,
    "CWE-601": 0.47500000000000014,
    "CWE-787": 0.6000000000000002,
    "CWE-798": 0.25000000000000006,
    "CWE-918": 0.5
  },
  "temperature": 0.6163493394851685,
  "eval_metrics": {
    "eval_macro_f1": 0.47583485129569136,
    "eval_micro_f1": 0.9426379247351114,
    "eval_weighted_f1": 0.945370829629837,
    "eval_macro_precision": 0.4824943179864961,
    "eval_macro_recall": 0.5278332334756789,
    "eval_f1_safe": 0.9820306051177853,
    "eval_f1_CWE-20": 0.5721153846153846,
    "eval_f1_CWE-22": 0.5,
    "eval_f1_CWE-78": 0.0,
    "eval_f1_CWE-79": 0.5932203389830508,
    "eval_f1_CWE-89": 0.7916666666666666,
    "eval_f1_CWE-94": 0.7068273092369478,
    "eval_f1_CWE-119": 0.7054610564010743,
    "eval_f1_CWE-125": 0.5844748858447488,
    "eval_f1_CWE-190": 0.7704918032786885,
    "eval_f1_CWE-200": 0.7046632124352331,
    "eval_f1_CWE-264": 0.697986577181208,
    "eval_f1_CWE-269": 0.0,
    "eval_f1_CWE-276": 0.0,
    "eval_f1_CWE-284": 0.5128205128205128,
    "eval_f1_CWE-287": 0.25,
    "eval_f1_CWE-310": 0.5,
    "eval_f1_CWE-327": 0.0,
    "eval_f1_CWE-330": 0.5,
    "eval_f1_CWE-352": 0.0,
    "eval_f1_CWE-362": 0.7010309278350515,
    "eval_f1_CWE-399": 0.6783625730994152,
    "eval_f1_CWE-401": 0.5909090909090909,
    "eval_f1_CWE-416": 0.48484848484848486,
    "eval_f1_CWE-434": 0.0,
    "eval_f1_CWE-476": 0.5483870967741935,
    "eval_f1_CWE-502": 0.9,
    "eval_f1_CWE-601": 0.8571428571428571,
    "eval_f1_CWE-787": 0.47558386411889597,
    "eval_f1_CWE-798": 0.14285714285714285,
    "eval_f1_CWE-918": 0.0
  },
  "per_class_metrics": {
    "safe": {
      "f1": 0.9820306051177853,
      "precision": 0.976204001767342,
      "recall": 0.9879271798147556,
      "threshold": 0.5750000000000002,
      "support": 15655
    },
    "CWE-20": {
      "f1": 0.5721153846153846,
      "precision": 0.7,
      "recall": 0.483739837398374,
      "threshold": 0.8750000000000003,
      "support": 246
    },
    "CWE-22": {
      "f1": 0.5,
      "precision": 1.0,
      "recall": 0.3333333333333333,
      "threshold": 0.7750000000000002,
      "support": 6
    },
    "CWE-78": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.7500000000000002,
      "support": 7
    },
    "CWE-79": {
      "f1": 0.5932203389830508,
      "precision": 0.4861111111111111,
      "recall": 0.7608695652173914,
      "threshold": 0.5750000000000002,
      "support": 46
    },
    "CWE-89": {
      "f1": 0.7916666666666666,
      "precision": 0.6846846846846847,
      "recall": 0.9382716049382716,
      "threshold": 0.5250000000000001,
      "support": 81
    },
    "CWE-94": {
      "f1": 0.7068273092369478,
      "precision": 0.676923076923077,
      "recall": 0.7394957983193278,
      "threshold": 0.7750000000000002,
      "support": 119
    },
    "CWE-119": {
      "f1": 0.7054610564010743,
      "precision": 0.6127527216174183,
      "recall": 0.8312236286919831,
      "threshold": 0.6000000000000002,
      "support": 474
    },
    "CWE-125": {
      "f1": 0.5844748858447488,
      "precision": 0.5245901639344263,
      "recall": 0.6597938144329897,
      "threshold": 0.7000000000000003,
      "support": 97
    },
    "CWE-190": {
      "f1": 0.7704918032786885,
      "precision": 0.9038461538461539,
      "recall": 0.6714285714285714,
      "threshold": 0.8750000000000003,
      "support": 70
    },
    "CWE-200": {
      "f1": 0.7046632124352331,
      "precision": 0.6938775510204082,
      "recall": 0.7157894736842105,
      "threshold": 0.7500000000000002,
      "support": 95
    },
    "CWE-264": {
      "f1": 0.697986577181208,
      "precision": 0.7027027027027027,
      "recall": 0.6933333333333334,
      "threshold": 0.8250000000000003,
      "support": 75
    },
    "CWE-269": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.5500000000000003,
      "support": 2
    },
    "CWE-276": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.5,
      "support": 0
    },
    "CWE-284": {
      "f1": 0.5128205128205128,
      "precision": 0.43478260869565216,
      "recall": 0.625,
      "threshold": 0.6000000000000002,
      "support": 16
    },
    "CWE-287": {
      "f1": 0.25,
      "precision": 0.25,
      "recall": 0.25,
      "threshold": 0.4250000000000001,
      "support": 4
    },
    "CWE-310": {
      "f1": 0.5,
      "precision": 0.7142857142857143,
      "recall": 0.38461538461538464,
      "threshold": 0.8000000000000003,
      "support": 13
    },
    "CWE-327": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.5,
      "support": 2
    },
    "CWE-330": {
      "f1": 0.5,
      "precision": 0.6,
      "recall": 0.42857142857142855,
      "threshold": 0.7250000000000003,
      "support": 7
    },
    "CWE-352": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.5,
      "support": 1
    },
    "CWE-362": {
      "f1": 0.7010309278350515,
      "precision": 0.6538461538461539,
      "recall": 0.7555555555555555,
      "threshold": 0.6250000000000002,
      "support": 45
    },
    "CWE-399": {
      "f1": 0.6783625730994152,
      "precision": 0.7837837837837838,
      "recall": 0.5979381443298969,
      "threshold": 0.9250000000000004,
      "support": 97
    },
    "CWE-401": {
      "f1": 0.5909090909090909,
      "precision": 0.4482758620689655,
      "recall": 0.8666666666666667,
      "threshold": 0.4250000000000001,
      "support": 15
    },
    "CWE-416": {
      "f1": 0.48484848484848486,
      "precision": 0.4266666666666667,
      "recall": 0.5614035087719298,
      "threshold": 0.6000000000000002,
      "support": 57
    },
    "CWE-434": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.3000000000000001,
      "support": 0
    },
    "CWE-476": {
      "f1": 0.5483870967741935,
      "precision": 0.5862068965517241,
      "recall": 0.5151515151515151,
      "threshold": 0.8000000000000003,
      "support": 99
    },
    "CWE-502": {
      "f1": 0.9,
      "precision": 0.9,
      "recall": 0.9,
      "threshold": 0.8750000000000003,
      "support": 40
    },
    "CWE-601": {
      "f1": 0.8571428571428571,
      "precision": 0.75,
      "recall": 1.0,
      "threshold": 0.47500000000000014,
      "support": 3
    },
    "CWE-787": {
      "f1": 0.47558386411889597,
      "precision": 0.3708609271523179,
      "recall": 0.6627218934911243,
      "threshold": 0.6000000000000002,
      "support": 169
    },
    "CWE-798": {
      "f1": 0.14285714285714285,
      "precision": 0.07692307692307693,
      "recall": 1.0,
      "threshold": 0.25000000000000006,
      "support": 1
    },
    "CWE-918": {
      "f1": 0.0,
      "precision": 0.0,
      "recall": 0.0,
      "threshold": 0.5,
      "support": 0
    }
  },
  "classification_report": "              precision    recall  f1-score   support\n\n        safe     0.9762    0.9879    0.9820     15655\n      CWE-20     0.7000    0.4837    0.5721       246\n      CWE-22     1.0000    0.3333    0.5000         6\n      CWE-78     0.0000    0.0000    0.0000         7\n      CWE-79     0.4861    0.7609    0.5932        46\n      CWE-89     0.6847    0.9383    0.7917        81\n      CWE-94     0.6769    0.7395    0.7068       119\n     CWE-119     0.6128    0.8312    0.7055       474\n     CWE-125     0.5246    0.6598    0.5845        97\n     CWE-190     0.9038    0.6714    0.7705        70\n     CWE-200     0.6939    0.7158    0.7047        95\n     CWE-264     0.7027    0.6933    0.6980        75\n     CWE-269     0.0000    0.0000    0.0000         2\n     CWE-276     0.0000    0.0000    0.0000         0\n     CWE-284     0.4348    0.6250    0.5128        16\n     CWE-287     0.2500    0.2500    0.2500         4\n     CWE-310     0.7143    0.3846    0.5000        13\n     CWE-327     0.0000    0.0000    0.0000         2\n     CWE-330     0.6000    0.4286    0.5000         7\n     CWE-352     0.0000    0.0000    0.0000         1\n     CWE-362     0.6538    0.7556    0.7010        45\n     CWE-399     0.7838    0.5979    0.6784        97\n     CWE-401     0.4483    0.8667    0.5909        15\n     CWE-416     0.4267    0.5614    0.4848        57\n     CWE-434     0.0000    0.0000    0.0000         0\n     CWE-476     0.5862    0.5152    0.5484        99\n     CWE-502     0.9000    0.9000    0.9000        40\n     CWE-601     0.7500    1.0000    0.8571         3\n     CWE-787     0.3709    0.6627    0.4756       169\n     CWE-798     0.0769    1.0000    0.1429         1\n     CWE-918     0.0000    0.0000    0.0000         0\n\n   micro avg     0.9297    0.9560    0.9426     17542\n   macro avg     0.4825    0.5278    0.4758     17542\nweighted avg     0.9383    0.9560    0.9454     17542\n samples avg     0.9437    0.9560    0.9477     17542\n",
  "improvements": [
    "GraphCodeBERT-base (125M, 12 layers) vs CodeBERTa-small (83M, 6 layers)",
    "Asymmetric Loss (ASL) gamma_neg=4, gamma_pos=0, clip=0.05",
    "Two-phase training: 4 epochs frozen + up to 9 epochs full fine-tune",
    "Per-class threshold optimization on validation set",
    "Temperature scaling calibration (T=0.6163)",
    "Classification head bias initialization for imbalanced classes"
  ],
  "baseline_comparison": {
    "baseline_macro_f1": 0.1157,
    "new_macro_f1": 0.47583485129569136,
    "improvement_pct": 311.2660771786442
  }
}