Resource exhaustion in Chatterbot
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. Con…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Chatterbot
- Gunthercox Chatterbot — versions < 1.2.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
- security-advisories@github.com (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-23842?
- CVE-2026-23842 is a high-severity vulnerability in Chatterbot, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-01-19.
- How severe is CVE-2026-23842?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-23842 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.