[spark-compete] fix(security): validate missionId in creator-mission to prevent path traversal

[ifeoluwaaj]

spark-compete Packet

"evidence.forbidden": [
"no hardcoded secrets or credentials",
"no eval() or exec() calls",
"no shell injection vectors",
"no unsafe deserialization",
"no path traversal in new code",
"no network calls added"
]

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    "owner_surface": "vibeship-spawner-ui"
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  "issue": {
    "type": "bug",
    "severity": "MEDIUM",
    "title": "fix(security): validate missionId in creator-mission to prevent path traversal",
    "actual_behavior": "fix(security): validate missionId in creator-mission to prevent path traversal",
    "expected_behavior": "After fix: return /^[a-zA-Z0-9_-]+$/.test(missionId);",
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      "gh pr checkout 870",
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      "Verify the fix in changed files"
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    "impact_score": 22
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  "proposed_fix": {
    "approach": "fix(security): validate missionId in creator-mission to prevent path traversal",
    "files_expected": [
      "src/lib/server/creator-mission.ts"
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    "backward_compatible": true,
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    "url": "https://github.com/vibeforge1111/vibeship-spawner-ui/pull/870"
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    "duplicate_notes": "Searched vibeship-spawner-ui PRs for similar fixes. No duplicates found.",
    "risk_notes": "Changes isolated to vibeship-spawner-ui. Low risk. Reviewers verify edge cases."
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  "metadata": {
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}

Bug Summary

fix: resolve issue in vibeship-spawner-ui

Severity: MEDIUM

Expected:

Root Cause

The bug was identified through code review. See PR diff for specific details.

Team: Sequence

Role	Username	GitHub	Device
LLM Device Holder	@ifesn	ifeoluwaaj	VPS
Member	@micc9ee	micc9ee	-
Member	@londitshabalala	londitshabalala	-
/**

## Before (The Bug)

for original code.

## After (The Fix)

```python
/**
 * Validates that a missionId contains only safe characters and cannot be used for path traversal.
 * Mission IDs should be alphanumeric with hyphens/underscores only.

Testing

• • Verified existing test suite passes
• Manual verification: fix(security): validate missionId in creator-mission to prevent path traversal

Files Changed

File	Change Summary
src/lib/server/creator-mission.ts
src/lib/server/creator-mission.ts

Risk Notes

• Surface changed: src/lib/server/creator-mission.ts
• Risk level: Low - minimal code changes
• Reviewers should verify: Fix handles edge cases correctly

Duplicate Notes