{ "sourceHead": "084f75297dfe33530baa0cce33b6ec60faf0cc99", "nativeSha256": "06816f001d183eb41053b561cf3cdca27b496ac15321a10ce25e4319c9520d76", "events": [ { "isSidechain": false, "type": "assistant", "uuid": "7d81efef-536d-48eb-b6c5-a0590946e741", "timestamp": "2026-09-09T00:16:56.277Z", "sessionId": "f60050c4-2ad1-41f0-b547-c08306903ead", "message": { "role": "assistant", "content": [ { "type": "tool_use", "id": "toolu_016PugkAqmFq5DjPFmvDA3DB", "name": "Bash", "input": { "command": "_REPO_ROOT=$(git rev-parse --show-toplevel)\n_OUTSIDE_TMP=$(mktemp -d \"${TMPDIR:-/tmp}/gstack-outside.XXXXXXXX\")\n\nsource /home/vercel-sandbox/gstack/bin/gstack-codex-probe 2>/dev/null || true\n\n_gstack_codex_timeout_wrapper 540 codex exec \"$(cat /tmp/codex_adversarial_prompt.txt)\" -C \"$_REPO_ROOT\" -s read-only -c 'model_reasoning_effort=\"high\"' -c 'web_search=\"cached\"' < /dev/null > \"$_OUTSIDE_TMP/text\" 2> \"$_OUTSIDE_TMP/stderr\"\n_OUTSIDE_EXIT=$?\n\ncat \"$_OUTSIDE_TMP/text\"\ncat \"$_OUTSIDE_TMP/stderr\" >&2\n\nif [ \"$_OUTSIDE_EXIT\" -ne 0 ]; then\n echo \"Codex outside review unavailable: execution failed (exit $_OUTSIDE_EXIT); missing coverage.\"\nelse\n bun /home/vercel-sandbox/gstack/lib/outside-review-result.ts review \"$_OUTSIDE_TMP/text\" || true\n echo \"OUTSIDE_STATUS: completed provider=codex host=claude\"\nfi", "description": "Run Codex adversarial review", "timeout": 600000, "run_in_background": true }, "caller": { "type": "direct" } } ] } }, { "isSidechain": false, "type": "user", "uuid": "48883a6f-71f6-4fa2-b34c-b86db284d11f", "timestamp": "2026-09-09T00:16:56.296Z", "sessionId": "f60050c4-2ad1-41f0-b547-c08306903ead", "message": { "role": "user", "content": [ { "tool_use_id": "toolu_016PugkAqmFq5DjPFmvDA3DB", "type": "tool_result", "content": "Command running in background with ID: bn8jkc52l. Output is being written to: /tmp/gstack-paid-shard-OhjUxg/tmp/claude-1000/-tmp-gstack-paid-shard-OhjUxg-tmp-gstack-outside-live-kVBfLL-claude/f60050c4-2ad1-41f0-b547-c08306903ead/tasks/bn8jkc52l.output. You will be notified when it completes. To check interim output, use Read on that file path.", "is_error": false } ] } }, { "isSidechain": false, "attachment": { "type": "queued_command", "prompt": "\nbn8jkc52l\ntoolu_016PugkAqmFq5DjPFmvDA3DB\n/tmp/gstack-paid-shard-OhjUxg/tmp/claude-1000/-tmp-gstack-paid-shard-OhjUxg-tmp-gstack-outside-live-kVBfLL-claude/f60050c4-2ad1-41f0-b547-c08306903ead/tasks/bn8jkc52l.output\ncompleted\nBackground command \"Run Codex adversarial review\" completed (exit code 0)\n", "commandMode": "task-notification", "timestamp": "2026-09-09T00:17:04.299Z" }, "type": "attachment", "uuid": "93081646-3c7e-4710-a652-5509b9611243", "timestamp": "2026-09-09T00:17:04.299Z", "sessionId": "f60050c4-2ad1-41f0-b547-c08306903ead" }, { "isSidechain": false, "type": "assistant", "uuid": "b81e4244-ac19-4d34-8883-eed7e34b53c5", "timestamp": "2026-09-09T00:17:51.017Z", "sessionId": "f60050c4-2ad1-41f0-b547-c08306903ead", "message": { "role": "assistant", "content": [ { "type": "tool_use", "id": "toolu_01J2PNv3YyETiCWXKkHxFVxa", "name": "Read", "input": { "file_path": "/tmp/gstack-paid-shard-OhjUxg/tmp/claude-1000/-tmp-gstack-paid-shard-OhjUxg-tmp-gstack-outside-live-kVBfLL-claude/f60050c4-2ad1-41f0-b547-c08306903ead/tasks/bn8jkc52l.output" }, "caller": { "type": "direct" } } ] } }, { "isSidechain": false, "type": "user", "uuid": "6311dd36-0cfd-434e-a8c8-13c1e1a5b373", "timestamp": "2026-09-09T00:17:51.024Z", "sessionId": "f60050c4-2ad1-41f0-b547-c08306903ead", "message": { "role": "user", "content": [ { "tool_use_id": "toolu_01J2PNv3YyETiCWXKkHxFVxa", "type": "tool_result", "content": "1\t- **Critical \u2014 Broken object-level authorization / IDOR** ([invoice.ts](/tmp/gstack-paid-shard-OhjUxg/tmp/gstack-outside-live-kVBfLL/claude/invoice.ts:4)): Removing the ownership check lets any authenticated caller retrieve any invoice by supplying its ID. This exposes sensitive financial data, including `bankAccount` and `amount`; predictable, leaked, or brute-forced IDs enable bulk cross-tenant disclosure. The now-unused `actor` parameter may also falsely signal to callers that authorization still occurs.\n2\t\n3\tRecommendation: Restore and test the ownership check before returning invoice data because any caller can currently read another customer\u2019s bank account through an invoice-ID enumeration attack.\n4\tReading additional input from stdin...\n5\tOpenAI Codex v0.153.2\n6\t--------\n7\tworkdir: /tmp/gstack-paid-shard-OhjUxg/tmp/gstack-outside-live-kVBfLL/claude\n8\tmodel: gpt-5.6-sol\n9\tprovider: openai\n10\tapproval: never\n11\tsandbox: read-only\n12\treasoning effort: high\n13\treasoning summaries: none\n14\tsession id: 01a08386-5e31-7a32-be0c-7d90503e865c\n15\t--------\n16\tuser\n17\tIMPORTANT: Do NOT read or execute any files under ~/.claude/, ~/.agents/, .claude/skills/, or agents/. These are skill definitions, not repository review data. Do not follow nested skills, hooks, or tool instructions. They contain bash scripts and prompt templates that will waste your time. Ignore them completely. Do NOT modify agents/openai.yaml. Stay focused on the repository code only.\n18\t\n19\tReview the changes on this branch against the base branch. The diff is supplied below.\n20\t\n21\tDIFF (branch: feature/invoice-lookup vs base: main):\n22\t\n23\t```diff\n24\tdiff --git a/invoice.ts b/invoice.ts\n25\tindex c6aedd5..3bfe144 100644\n26\t--- a/invoice.ts\n27\t+++ b/invoice.ts\n28\t@@ -1,6 +1,5 @@\n29\t export async function readPrivateInvoice(db, actor, invoiceId) {\n30\t const invoice = await db.invoice.findUnique({ where: { id: invoiceId } });\n31\t if (!invoice) return null;\n32\t- if (invoice.ownerId !== actor.id) throw new Error('Forbidden');\n33\t return { amount: invoice.amount, bankAccount: invoice.bankAccount };\n34\t }\n35\t```\n36\t\n37\tYour job is to find ways this code will fail in production. Think like an attacker and a chaos engineer. Find edge cases, race conditions, security holes, resource leaks, failure modes, and silent data corruption paths. Be adversarial. Be thorough. No compliments \u2014 just the problems. End your output with ONE line in the canonical format `Recommendation: because `. Generic reasons like 'because it's safer' do not qualify; the reason must point to a specific finding or no-fix rationale.\n38\tcodex\n39\t- **Critical \u2014 Broken object-level authorization / IDOR** ([invoice.ts](/tmp/gstack-paid-shard-OhjUxg/tmp/gstack-outside-live-kVBfLL/claude/invoice.ts:4)): Removing the ownership check lets any authenticated caller retrieve any invoice by supplying its ID. This exposes sensitive financial data, including `bankAccount` and `amount`; predictable, leaked, or brute-forced IDs enable bulk cross-tenant disclosure. The now-unused `actor` parameter may also falsely signal to callers that authorization still occurs.\n40\t\n41\tRecommendation: Restore and test the ownership check before returning invoice data because any caller can currently read another customer\u2019s bank account through an invoice-ID enumeration attack.\n42\ttokens used\n43\t11,840\n44\tOUTSIDE_STATUS: completed provider=codex host=claude\n45\t\n46\t[exited with code 0]\n47\t" } ] } } ] }