{"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"}}]}}