CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-23842

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 18.3%

CVSS Severity

CVSS v3 Score 7.5

References

Products affected by CVE-2026-23842

Chatterbot » Chatterbot » Version: 0.0.0

cpe:2.3:a:chatterbot:chatterbot:0.0.0
Chatterbot » Chatterbot » Version: 0.0.1

cpe:2.3:a:chatterbot:chatterbot:0.0.1
Chatterbot » Chatterbot » Version: 0.0.2

cpe:2.3:a:chatterbot:chatterbot:0.0.2
Chatterbot » Chatterbot » Version: 0.0.3

cpe:2.3:a:chatterbot:chatterbot:0.0.3
Chatterbot » Chatterbot » Version: 0.0.4

cpe:2.3:a:chatterbot:chatterbot:0.0.4
Chatterbot » Chatterbot » Version: 0.0.5

cpe:2.3:a:chatterbot:chatterbot:0.0.5
Chatterbot » Chatterbot » Version: 0.1.0

cpe:2.3:a:chatterbot:chatterbot:0.1.0
Chatterbot » Chatterbot » Version: 0.1.1

cpe:2.3:a:chatterbot:chatterbot:0.1.1
Chatterbot » Chatterbot » Version: 0.2.0

cpe:2.3:a:chatterbot:chatterbot:0.2.0
Chatterbot » Chatterbot » Version: 0.2.1

cpe:2.3:a:chatterbot:chatterbot:0.2.1
Chatterbot » Chatterbot » Version: 0.2.2

cpe:2.3:a:chatterbot:chatterbot:0.2.2
Chatterbot » Chatterbot » Version: 0.2.3

cpe:2.3:a:chatterbot:chatterbot:0.2.3
Chatterbot » Chatterbot » Version: 0.2.4

cpe:2.3:a:chatterbot:chatterbot:0.2.4
Chatterbot » Chatterbot » Version: 0.2.5

cpe:2.3:a:chatterbot:chatterbot:0.2.5
Chatterbot » Chatterbot » Version: 0.2.6

cpe:2.3:a:chatterbot:chatterbot:0.2.6
Chatterbot » Chatterbot » Version: 0.2.7

cpe:2.3:a:chatterbot:chatterbot:0.2.7
Chatterbot » Chatterbot » Version: 0.2.8

cpe:2.3:a:chatterbot:chatterbot:0.2.8
Chatterbot » Chatterbot » Version: 0.2.9

cpe:2.3:a:chatterbot:chatterbot:0.2.9
Chatterbot » Chatterbot » Version: 0.3.0

cpe:2.3:a:chatterbot:chatterbot:0.3.0
Chatterbot » Chatterbot » Version: 0.3.1

cpe:2.3:a:chatterbot:chatterbot:0.3.1
Chatterbot » Chatterbot » Version: 0.3.2

cpe:2.3:a:chatterbot:chatterbot:0.3.2
Chatterbot » Chatterbot » Version: 0.3.3

cpe:2.3:a:chatterbot:chatterbot:0.3.3
Chatterbot » Chatterbot » Version: 0.3.4

cpe:2.3:a:chatterbot:chatterbot:0.3.4
Chatterbot » Chatterbot » Version: 0.3.5

cpe:2.3:a:chatterbot:chatterbot:0.3.5
Chatterbot » Chatterbot » Version: 0.3.6

cpe:2.3:a:chatterbot:chatterbot:0.3.6
Chatterbot » Chatterbot » Version: 0.3.7

cpe:2.3:a:chatterbot:chatterbot:0.3.7
Chatterbot » Chatterbot » Version: 0.4.0

cpe:2.3:a:chatterbot:chatterbot:0.4.0
Chatterbot » Chatterbot » Version: 0.4.1

cpe:2.3:a:chatterbot:chatterbot:0.4.1
Chatterbot » Chatterbot » Version: 0.4.10

cpe:2.3:a:chatterbot:chatterbot:0.4.10
Chatterbot » Chatterbot » Version: 0.4.11

cpe:2.3:a:chatterbot:chatterbot:0.4.11
Chatterbot » Chatterbot » Version: 0.4.12

cpe:2.3:a:chatterbot:chatterbot:0.4.12
Chatterbot » Chatterbot » Version: 0.4.13

cpe:2.3:a:chatterbot:chatterbot:0.4.13
Chatterbot » Chatterbot » Version: 0.4.14

cpe:2.3:a:chatterbot:chatterbot:0.4.14
Chatterbot » Chatterbot » Version: 0.4.2

cpe:2.3:a:chatterbot:chatterbot:0.4.2
Chatterbot » Chatterbot » Version: 0.4.3

cpe:2.3:a:chatterbot:chatterbot:0.4.3
Chatterbot » Chatterbot » Version: 0.4.4

cpe:2.3:a:chatterbot:chatterbot:0.4.4
Chatterbot » Chatterbot » Version: 0.4.5

cpe:2.3:a:chatterbot:chatterbot:0.4.5
Chatterbot » Chatterbot » Version: 0.4.6

cpe:2.3:a:chatterbot:chatterbot:0.4.6
Chatterbot » Chatterbot » Version: 0.4.7

cpe:2.3:a:chatterbot:chatterbot:0.4.7
Chatterbot » Chatterbot » Version: 0.4.8

cpe:2.3:a:chatterbot:chatterbot:0.4.8
Chatterbot » Chatterbot » Version: 0.4.9

cpe:2.3:a:chatterbot:chatterbot:0.4.9
Chatterbot » Chatterbot » Version: 0.5.0

cpe:2.3:a:chatterbot:chatterbot:0.5.0
Chatterbot » Chatterbot » Version: 0.5.1

cpe:2.3:a:chatterbot:chatterbot:0.5.1
Chatterbot » Chatterbot » Version: 0.5.2

cpe:2.3:a:chatterbot:chatterbot:0.5.2
Chatterbot » Chatterbot » Version: 0.5.3

cpe:2.3:a:chatterbot:chatterbot:0.5.3
Chatterbot » Chatterbot » Version: 0.5.4

cpe:2.3:a:chatterbot:chatterbot:0.5.4
Chatterbot » Chatterbot » Version: 0.5.5

cpe:2.3:a:chatterbot:chatterbot:0.5.5
Chatterbot » Chatterbot » Version: 0.6.0

cpe:2.3:a:chatterbot:chatterbot:0.6.0
Chatterbot » Chatterbot » Version: 0.6.1

cpe:2.3:a:chatterbot:chatterbot:0.6.1
Chatterbot » Chatterbot » Version: 0.6.2

cpe:2.3:a:chatterbot:chatterbot:0.6.2
Chatterbot » Chatterbot » Version: 0.6.3

cpe:2.3:a:chatterbot:chatterbot:0.6.3
Chatterbot » Chatterbot » Version: 0.7.0

cpe:2.3:a:chatterbot:chatterbot:0.7.0
Chatterbot » Chatterbot » Version: 0.7.1

cpe:2.3:a:chatterbot:chatterbot:0.7.1
Chatterbot » Chatterbot » Version: 0.7.2

cpe:2.3:a:chatterbot:chatterbot:0.7.2
Chatterbot » Chatterbot » Version: 0.7.3

cpe:2.3:a:chatterbot:chatterbot:0.7.3
Chatterbot » Chatterbot » Version: 0.7.4

cpe:2.3:a:chatterbot:chatterbot:0.7.4
Chatterbot » Chatterbot » Version: 0.7.5

cpe:2.3:a:chatterbot:chatterbot:0.7.5
Chatterbot » Chatterbot » Version: 0.7.6

cpe:2.3:a:chatterbot:chatterbot:0.7.6
Chatterbot » Chatterbot » Version: 0.8.0

cpe:2.3:a:chatterbot:chatterbot:0.8.0
Chatterbot » Chatterbot » Version: 0.8.1

cpe:2.3:a:chatterbot:chatterbot:0.8.1
Chatterbot » Chatterbot » Version: 0.8.2

cpe:2.3:a:chatterbot:chatterbot:0.8.2
Chatterbot » Chatterbot » Version: 0.8.3

cpe:2.3:a:chatterbot:chatterbot:0.8.3
Chatterbot » Chatterbot » Version: 0.8.4

cpe:2.3:a:chatterbot:chatterbot:0.8.4
Chatterbot » Chatterbot » Version: 0.8.5

cpe:2.3:a:chatterbot:chatterbot:0.8.5
Chatterbot » Chatterbot » Version: 0.8.6

cpe:2.3:a:chatterbot:chatterbot:0.8.6
Chatterbot » Chatterbot » Version: 0.8.7

cpe:2.3:a:chatterbot:chatterbot:0.8.7
Chatterbot » Chatterbot » Version: 1.0.0

cpe:2.3:a:chatterbot:chatterbot:1.0.0
Chatterbot » Chatterbot » Version: 1.0.1

cpe:2.3:a:chatterbot:chatterbot:1.0.1
Chatterbot » Chatterbot » Version: 1.0.2

cpe:2.3:a:chatterbot:chatterbot:1.0.2
Chatterbot » Chatterbot » Version: 1.0.3

cpe:2.3:a:chatterbot:chatterbot:1.0.3
Chatterbot » Chatterbot » Version: 1.0.4

cpe:2.3:a:chatterbot:chatterbot:1.0.4
Chatterbot » Chatterbot » Version: 1.0.5

cpe:2.3:a:chatterbot:chatterbot:1.0.5
Chatterbot » Chatterbot » Version: 1.0.6

cpe:2.3:a:chatterbot:chatterbot:1.0.6
Chatterbot » Chatterbot » Version: 1.0.7

cpe:2.3:a:chatterbot:chatterbot:1.0.7
Chatterbot » Chatterbot » Version: 1.0.8

cpe:2.3:a:chatterbot:chatterbot:1.0.8
Chatterbot » Chatterbot » Version: 1.1.0

cpe:2.3:a:chatterbot:chatterbot:1.1.0
Chatterbot » Chatterbot » Version: 1.2.0

cpe:2.3:a:chatterbot:chatterbot:1.2.0
Chatterbot » Chatterbot » Version: 1.2.1

cpe:2.3:a:chatterbot:chatterbot:1.2.1
Chatterbot » Chatterbot » Version: 1.2.10

cpe:2.3:a:chatterbot:chatterbot:1.2.10
Chatterbot » Chatterbot » Version: 1.2.2

cpe:2.3:a:chatterbot:chatterbot:1.2.2
Chatterbot » Chatterbot » Version: 1.2.3

cpe:2.3:a:chatterbot:chatterbot:1.2.3
Chatterbot » Chatterbot » Version: 1.2.4

cpe:2.3:a:chatterbot:chatterbot:1.2.4
Chatterbot » Chatterbot » Version: 1.2.5

cpe:2.3:a:chatterbot:chatterbot:1.2.5
Chatterbot » Chatterbot » Version: 1.2.6

cpe:2.3:a:chatterbot:chatterbot:1.2.6
Chatterbot » Chatterbot » Version: 1.2.7

cpe:2.3:a:chatterbot:chatterbot:1.2.7
Chatterbot » Chatterbot » Version: 1.2.8

cpe:2.3:a:chatterbot:chatterbot:1.2.8
Chatterbot » Chatterbot » Version: 1.2.9

cpe:2.3:a:chatterbot:chatterbot:1.2.9

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-23842

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