{
  "verdict": "no_distinct_variant_confirmed",
  "confirmed": false,
  "bypass_confirmed": false,
  "variant_confirmed": false,
  "claim_outcome": "blocked_by_fix",
  "claim_block_reason": "The only fixed-version execution observed required a valid server-side HMAC generated with Security::getNonceKey() in the local Grav process. That does not cross the parent remote/API trust boundary and is expected legitimate behavior for signed queue items.",
  "tested_versions": {
    "vulnerable": {
      "version": "2.0.0-beta.1",
      "commit_sha": "26a2d519c59c620e2b0a54d0baf33889d7d5db0a"
    },
    "fixed": {
      "version": "2.0.0-beta.2",
      "commit_sha": "f95b0ff51a655edcbcc060a3d74b43e3f20b9585"
    }
  },
  "validated_surface": "local_cli_probe_only",
  "claimed_surface": "api_remote",
  "same_root_cause_tested": true,
  "same_surface_confirmed": false,
  "attacker_controlled_input": "A JobQueue queue JSON item containing serialized_job plus a correct serialized_job_hmac generated in the local server context.",
  "trigger_path": "variant_jobqueue_hmac_probe.php -> JobQueue::pop() -> JobQueue::reconstructJob() -> HMAC-verified unserialize(serialized_job) -> Job::run/system",
  "observed_impact_class": "code_execution_out_of_scope",
  "exploitability_confidence": "low_for_remote_attacker_high_for_same_key_actor",
  "evidence_scope": "runtime_local_probe_and_source_review",
  "end_to_end_target_reached": true,
  "inferred": false,
  "blocking_mitigation": "2.0.0-beta.2 requires HMAC integrity for JobQueue, FileCache, and Session serialized payloads; command-injection arguments are shell-quoted and separated with --.",
  "candidate_results": [
    {
      "candidate": "JobQueue serialized_job with valid HMAC",
      "vulnerable_result": "executes",
      "fixed_result": "executes only because the probe signs with local Security::getNonceKey()",
      "security_verdict": "not_a_bypass"
    },
    {
      "candidate": "FileCache legacy or forged serialized value",
      "vulnerable_result": "source-vulnerable sink present",
      "fixed_result": "v2/HMAC gate rejects before unserialize",
      "security_verdict": "blocked_by_fix"
    },
    {
      "candidate": "Session legacy or forged flash object",
      "vulnerable_result": "source-vulnerable sink present",
      "fixed_result": "v2/HMAC gate rejects before unserialize",
      "security_verdict": "blocked_by_fix"
    },
    {
      "candidate": ".dependencies gitclone command injection alternate field",
      "vulnerable_result": "branch/url/path were shell-concatenated",
      "fixed_result": "branch/url/path are escapeshellarg-quoted and url/path follow --",
      "security_verdict": "blocked_by_fix"
    }
  ],
  "artifacts": {
    "reproducer": "bundle/vuln_variant/reproduction_steps.sh",
    "rca_report": "bundle/vuln_variant/rca_report.md",
    "patch_analysis": "bundle/vuln_variant/patch_analysis.md",
    "runtime_result": "bundle/logs/vuln_variant/reproduction_result.json",
    "source_scan": "bundle/logs/vuln_variant/source_scan.log"
  }
}