hybrid

Replay codeguardian-run-001

Audit unsafe JSON parsing in the demo TypeScript file.

#1 · 2026-04-26T00:00:00.000Z

Task received

task_receivedhybrid

CodeGuardian accepted the allowlisted audit task: Audit unsafe JSON parsing in the demo TypeScript file.

goal

Audit unsafe JSON parsing in the demo TypeScript file.

target

examples/codeguardian/fixtures/unsafe-parser.ts

Raw event JSONFull canonical event detail

{
  "target": "examples/codeguardian/fixtures/unsafe-parser.ts",
  "goal": "Audit unsafe JSON parsing in the demo TypeScript file.",
  "source": "hybrid"
}

#2 · 2026-04-26T00:00:01.000Z

Context loaded

context_loadedhybrid

Loaded the demo source fixture and hashed the context for examples/codeguardian/fixtures/unsafe-parser.ts.

sourceHash

sha256:d36aa6eda7c9a3840038096b18f3c8b69d9952fa1f7fd7edad24810efadcf6a8

byteLength

152

Raw event JSONFull canonical event detail

{
  "target": "examples/codeguardian/fixtures/unsafe-parser.ts",
  "sourceHash": "sha256:d36aa6eda7c9a3840038096b18f3c8b69d9952fa1f7fd7edad24810efadcf6a8",
  "byteLength": 152,
  "source": "hybrid"
}

#3 · 2026-04-26T00:00:02.000Z

Analysis started

compute_startedhybrid

Started the compute-backed analysis run zg-hybrid-analysis-001 through 0xa48f01287233509FD694a22Bf840225062E67836.

runId

zg-hybrid-analysis-001

provider

0xa48f01287233509FD694a22Bf840225062E67836

model

qwen/qwen-2.5-7b-instruct

Raw event JSONFull canonical event detail

{
  "runId": "zg-hybrid-analysis-001",
  "model": "qwen/qwen-2.5-7b-instruct",
  "provider": "0xa48f01287233509FD694a22Bf840225062E67836",
  "source": "hybrid"
}

#4 · 2026-04-26T00:00:04.000Z

Analysis completed

compute_completedhybrid

Completed analysis run zg-hybrid-analysis-001 and recorded its output hash.

runId

zg-hybrid-analysis-001

outputHash

sha256:be5b3003c68d22c78d13ef0d753f88323eb71f3e40ba9a97b67de5b23e3cbef6

Raw event JSONFull canonical event detail

{
  "runId": "zg-hybrid-analysis-001",
  "outputHash": "sha256:be5b3003c68d22c78d13ef0d753f88323eb71f3e40ba9a97b67de5b23e3cbef6",
  "source": "hybrid"
}

#5 · 2026-04-26T00:00:05.000Z

Issue found

issue_foundhybrid

Unsafe JSON.parse path returns unvalidated data as a trusted Result.

issue

Unsafe JSON.parse path returns unvalidated data as a trusted Result.

Raw event JSONFull canonical event detail

{
  "issue": "Unsafe JSON.parse path returns unvalidated data as a trusted Result.",
  "source": "hybrid"
}

#6 · 2026-04-26T00:00:07.000Z

Patch proposed

patch_proposedhybrid

Parse JSON as unknown, validate the object shape, and return null for invalid payloads before constructing Result.

patch

Parse JSON as unknown, validate the object shape, and return null for invalid payloads before constructing Result.

Patch diff

diff --git a/examples/codeguardian/fixtures/unsafe-parser.ts b/examples/codeguardian/fixtures/unsafe-parser.ts
@@
+function isResult(value: unknown): value is Result {
+  return (
+    typeof value === "object" &&
+    value !== null &&
+    typeof (value as Result).ok === "boolean" &&
+    typeof (value as Result).value === "string"
+  );
+}
+
 export function parseResult(raw: string): Result {
-  return JSON.parse(raw) as Result;
+  const parsed: unknown = JSON.parse(raw);
+  if (!isResult(parsed)) {
+    throw new Error("invalid result payload");
+  }
+  return parsed;
 }

Raw event JSONFull canonical event detail

{
  "patch": "Parse JSON as unknown, validate the object shape, and return null for invalid payloads before constructing Result.",
  "patchDiff": "diff --git a/examples/codeguardian/fixtures/unsafe-parser.ts b/examples/codeguardian/fixtures/unsafe-parser.ts\n@@\n+function isResult(value: unknown): value is Result {\n+  return (\n+    typeof value === \"object\" &&\n+    value !== null &&\n+    typeof (value as Result).ok === \"boolean\" &&\n+    typeof (value as Result).value === \"string\"\n+  );\n+}\n+\n export function parseResult(raw: string): Result {\n-  return JSON.parse(raw) as Result;\n+  const parsed: unknown = JSON.parse(raw);\n+  if (!isResult(parsed)) {\n+    throw new Error(\"invalid result payload\");\n+  }\n+  return parsed;\n }\n",
  "source": "hybrid"
}

#7 · 2026-04-26T00:00:08.000Z

Critic loop started

critic_startedhybrid

Started the self-review critic loop run zg-hybrid-critic-001.

runId

zg-hybrid-critic-001

provider

0xa48f01287233509FD694a22Bf840225062E67836

model

qwen/qwen-2.5-7b-instruct

Raw event JSONFull canonical event detail

{
  "runId": "zg-hybrid-critic-001",
  "model": "qwen/qwen-2.5-7b-instruct",
  "provider": "0xa48f01287233509FD694a22Bf840225062E67836",
  "source": "hybrid"
}

#8 · 2026-04-26T00:00:10.000Z

Critic completed

critic_completedhybrid

Accepted the patch after critique: The patch is bounded, keeps the public API stable, and converts an unsafe cast into explicit validation.

accepted

true

critique

The patch is bounded, keeps the public API stable, and converts an unsafe cast into explicit validation.

Raw event JSONFull canonical event detail

{
  "critique": "The patch is bounded, keeps the public API stable, and converts an unsafe cast into explicit validation.",
  "accepted": true,
  "source": "hybrid"
}

#9 · 2026-04-26T00:00:11.000Z

Memory delta created

memory_delta_createdhybrid

Validate JSON parse failures before using parsed payloads.

learnedPattern

Validate JSON parse failures before using parsed payloads.

memoryDelta

Added a JSON-shape validation heuristic to future reviews.

Raw event JSONFull canonical event detail

{
  "learnedPattern": "Validate JSON parse failures before using parsed payloads.",
  "memoryDelta": "Added a JSON-shape validation heuristic to future reviews.",
  "source": "hybrid"
}

#10 · 2026-04-26T00:00:12.000Z

Memory written

memory_writtenhybrid

Advanced persistent memory to version 1.

version

1

memoryRoot

sha256:b71a518d1fadea56c7f0838e9fbd1c6a46bc043995a461f3d282ebf29b81e879

Raw event JSONFull canonical event detail

{
  "memoryRoot": "sha256:b71a518d1fadea56c7f0838e9fbd1c6a46bc043995a461f3d282ebf29b81e879",
  "version": 1,
  "source": "hybrid"
}

#11 · 2026-04-26T00:00:13.000Z

Policy upgrade checked

skill_upgrade_checkedhybrid

Checked dynamic upgrade rules; no policy upgrade was needed.

upgraded

false

Raw event JSONFull canonical event detail

{
  "upgraded": false,
  "source": "hybrid"
}

#12 · 2026-04-26T00:00:14.000Z

Trace committed

trace_committedhybrid

Committed the replay trace root for verification.

traceRoot

sha256:5157e4d713781a2b08fba1012a38ba2483196e2ae935b458ea6a3f06c5626f0c

Raw event JSONFull canonical event detail

{
  "traceRoot": "sha256:5157e4d713781a2b08fba1012a38ba2483196e2ae935b458ea6a3f06c5626f0c",
  "source": "hybrid"
}

#13 · 2026-04-26T00:00:15.000Z

Certificate issued

certificate_issuedhybrid

Issued Proof-of-Intelligence certificate poi-cert-codeguardian-001.

certificateId

poi-cert-codeguardian-001

Raw event JSONFull canonical event detail

{
  "certificateId": "poi-cert-codeguardian-001",
  "source": "hybrid"
}

Result

Unsafe JSON.parse path returns unvalidated data as a trusted Result.

Parse JSON as unknown, validate the object shape, and return null for invalid payloads before constructing Result.

Patch diff

diff --git a/examples/codeguardian/fixtures/unsafe-parser.ts b/examples/codeguardian/fixtures/unsafe-parser.ts
@@
+function isResult(value: unknown): value is Result {
+  return (
+    typeof value === "object" &&
+    value !== null &&
+    typeof (value as Result).ok === "boolean" &&
+    typeof (value as Result).value === "string"
+  );
+}
+
 export function parseResult(raw: string): Result {
-  return JSON.parse(raw) as Result;
+  const parsed: unknown = JSON.parse(raw);
+  if (!isResult(parsed)) {
+    throw new Error("invalid result payload");
+  }
+  return parsed;
 }

Raw result JSONPatch, critique, and roots

{
  "issue": "Unsafe JSON.parse path returns unvalidated data as a trusted Result.",
  "patch": "Parse JSON as unknown, validate the object shape, and return null for invalid payloads before constructing Result.",
  "patchDiff": "diff --git a/examples/codeguardian/fixtures/unsafe-parser.ts b/examples/codeguardian/fixtures/unsafe-parser.ts\n@@\n+function isResult(value: unknown): value is Result {\n+  return (\n+    typeof value === \"object\" &&\n+    value !== null &&\n+    typeof (value as Result).ok === \"boolean\" &&\n+    typeof (value as Result).value === \"string\"\n+  );\n+}\n+\n export function parseResult(raw: string): Result {\n-  return JSON.parse(raw) as Result;\n+  const parsed: unknown = JSON.parse(raw);\n+  if (!isResult(parsed)) {\n+    throw new Error(\"invalid result payload\");\n+  }\n+  return parsed;\n }\n",
  "critique": "The patch is bounded, keeps the public API stable, and converts an unsafe cast into explicit validation.",
  "accepted": true,
  "memoryRoot": "sha256:b71a518d1fadea56c7f0838e9fbd1c6a46bc043995a461f3d282ebf29b81e879"
}