Perpetua-Tools/.agent/memory/candidates/graduated/4c65d5956822.json at 3719a49f4a529f9ae574ebdeceb454399f8b8a08 · diazMelgarejo/Perpetua-Tools · GitHub

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{
  "id": "4c65d5956822",
  "key": "manual_4c65d5",
  "name": "manual_4c65d5",
  "claim": "A security guard that inspects shell commands by splitting on command separators (&&, ;, ||) to check each resulting segment independently must also split on bare newlines -- a shell interprets a newline as a command separator too, and a guard that omits it leaves an exploitable gap: a legitimate-looking command on the first line can cause the guard to short-circuit to ALLOW, leaving a malicious second command hidden on the next line completely uninspected. When testing such a guard's segment-splitting logic, the test must exercise the actual bypass condition (the legitimate first command's branch must be genuinely capable of returning ALLOW, e.g. via a properly-mocked active authorization state) -- a test where the first segment already denies on its own passes regardless of whether the fix is present, proving nothing about the real vulnerability.",
  "conditions": [
    "about",
    "active",
    "actual",
    "allow",
    "already",
    "also",
    "authorization",
    "bare",
    "branch",
    "bypass",
    "capable",
    "cause",
    "check",
    "command",
    "commands",
    "completely",
    "condition",
    "denies",
    "each",
    "exercise",
    "exploitable",
    "first",
    "fix",
    "gap",
    "genuinely",
    "guard",
    "hidden",
    "independently",
    "inspects",
    "interprets",
    "leaves",
    "leaving",
    "legitimate",
    "legitimate-looking",
    "line",
    "logic",
    "malicious",
    "newline",
    "newlines",
    "next",
    "nothing",
    "omits",
    "own",
    "passes",
    "present",
    "properly-mocked",
    "proving",
    "real",
    "regardless",
    "resulting",
    "returning",
    "second",
    "security",
    "segment",
    "segment-splitting",
    "separator",
    "separators",
    "shell",
    "short-circuit",
    "split",
    "splitting",
    "state",
    "such",
    "test",
    "testing",
    "too",
    "uninspected",
    "via",
    "vulnerability",
    "whether"
  ],
  "evidence_ids": [
    "2026-08-02T07:00:06.137706+00:00"
  ],
  "cluster_size": 1,
  "canonical_salience": 8.0,
  "staged_at": "2026-08-02T07:00:06.137706+00:00",
  "status": "accepted",
  "decisions": [
    {
      "ts": "2026-08-02T07:00:06.137706+00:00",
      "action": "staged",
      "reviewer": "learn"
    },
    {
      "ts": "2026-08-02T07:00:26.921457+00:00",
      "action": "graduated",
      "reviewer": "host-agent",
      "notes": "A real, exploitable security bypass and the specific way the first regression test attempt initially failed to prove anything.",
      "provisional": false,
      "evidence_snapshot": [
        "2026-08-02T07:00:06.137706+00:00"
      ],
      "lessons_sha": "a4478e0a1a93"
    }
  ],
  "rejection_count": 0,
  "accepted_at": "2026-08-02T07:00:26.921437+00:00",
  "reviewer": "host-agent",
  "rationale": "A real, exploitable security bypass and the specific way the first regression test attempt initially failed to prove anything."
}