{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-23842", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-16T15:46:40.842Z", "datePublished": "2026-01-19T18:39:37.059Z", "dateUpdated": "2026-01-20T20:05:48.462Z" }, "containers": { "cna": { "title": "ChatterBot has Denial of Service via Database Connection Pool Exhaustion", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/gunthercox/ChatterBot/security/advisories/GHSA-v4w8-49pv-mf72", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/gunthercox/ChatterBot/security/advisories/GHSA-v4w8-49pv-mf72" }, { "name": "https://github.com/gunthercox/ChatterBot/pull/2432", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/gunthercox/ChatterBot/pull/2432" }, { "name": "https://github.com/gunthercox/ChatterBot/commit/de89fe648139f8eeacc998ad4524fab291a378cf", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/gunthercox/ChatterBot/commit/de89fe648139f8eeacc998ad4524fab291a378cf" }, { "name": "https://github.com/gunthercox/ChatterBot/releases/tag/1.2.11", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/gunthercox/ChatterBot/releases/tag/1.2.11" }, { "name": "https://github.com/user-attachments/assets/4ee845c4-b847-4854-84ec-4b2fb2f7090f", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/user-attachments/assets/4ee845c4-b847-4854-84ec-4b2fb2f7090f" } ], "affected": [ { "vendor": "gunthercox", "product": "ChatterBot", "versions": [ { "version": "< 1.2.11", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-19T18:39:37.059Z" }, "descriptions": [ { "lang": "en", "value": "ChatterBot is a machine learning, conversational dialog engine for creating chat bots. ChatterBot versions up to 1.2.10 are vulnerable to a denial-of-service condition caused by improper database session and connection pool management. Concurrent invocations of the get_response() method can exhaust the underlying SQLAlchemy connection pool, resulting in persistent service unavailability and requiring a manual restart to recover. Version 1.2.11 fixes the issue." } ], "source": { "advisory": "GHSA-v4w8-49pv-mf72", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-20T20:04:06.342314Z", "id": "CVE-2026-23842", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-20T20:05:48.462Z" } } ] } }