CVE-2026-61854

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{"affected": [{"affectedData": [{"product": "VoiceSentinel", "vendor": "jackh54", "versions": [{"status": "affected", "version": ">= 2.2.1, < 3.3.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "VoiceSentinel is a real-time voice moderation system for Minecraft servers. From 2.2.1 until 3.3.1, the optional report buffer feature has a race between retention cleanup and normal transcript writes. In `report_buffer.py`, `_maybe_cleanup()` uses an unlocked dictionary for once-per-hour cleanup throttling, allowing simultaneous `_cleanup_tenant()` operations for one tenant. Cleanup reads `transcripts.jsonl` and rewrites it in place without file locking or atomic replacement, while `report_buffer_append_async` uses `asyncio.to_thread` to append without synchronization. In `main.py`, concurrent `_processing_worker` tasks make this reachable in normal operation; `processing.worker_count` of two or more and public-pool servers sharing a `server_key` increase collisions. With `report_buffer.enabled` set to true, racing writes can lose, duplicate or corrupt transcript data and defeat `report_buffer.retention_seconds` pruning, allowing unbounded disk growth that can exhaust storage and crash the host or other services sharing it. The feature is opt-in and disabled by default. This issue is fixed in version 3.3.1."}], "id": "CVE-2026-61854", "lastModified": "2026-11-09T17:17:31.837", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-61854", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:33:22.487970Z", "version": "2.0.3"}}]}, "published": "2026-10-30T19:18:28.887", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/jackh54/VoiceSentinel/commit/a8c9f926d19969a19d05eee2a508719aea7f109c"}, {"source": "security-advisories@github.com", "url": "https://github.com/jackh54/VoiceSentinel/releases/tag/v3.3.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/jackh54/VoiceSentinel/security/advisories/GHSA-vhqx-3242-77j7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-667"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.2.1,3.3.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "VoiceSentinel", "source": "cna", "vendor": "jackh54"}, "product": "voicesentinel", "vendor": "jackh54"}], "created": "2026-10-30T19:45:14.210757+00:00", "updated": "2026-10-30T22:49:13.760609+00:00", "vendors": ["jackh54", "jackh54$PRODUCT$voicesentinel"]}