Security readout for executives and security teams
Plain-English summary
ChatterBot versions before 1.2.11 can become unavailable when many bot responses are requested at the same time. The issue exhausts database connections and may persist until the service is manually restarted. This is an availability risk, not a data theft or integrity issue based on the provided sources.
Executive priority
Treat as a high-priority availability fix for customer-facing or operational chatbot services. It does not indicate data compromise, but it can take services offline and may require manual recovery if left unpatched.
Technical view
CVE-2026-23842 is a CWE-400 resource management flaw in ChatterBot’s database session and SQLAlchemy connection pool handling. Concurrent get_response() invocations can exhaust the connection pool, causing persistent denial of service. The CVSS 3.1 score is 7.5: network-accessible, low complexity, no privileges, no user interaction, availability impact only.
Likely exposure
Systems embedding gunthercox ChatterBot versions below 1.2.11 are potentially exposed, especially internet-facing or high-traffic chatbot services using the database-backed response path.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not marked KEV. The risk is practical denial of service through concurrency, with recovery on affected versions requiring manual restart according to the advisory description.
Researcher notes
The root issue is improper database session and connection pool management during concurrent get_response() calls. Sources identify the fix in 1.2.11 with related pull request and commit. Avoid assuming impact for products that merely resemble ChatterBot unless dependency use is confirmed.
Mitigation direction
- Upgrade ChatterBot to version 1.2.11 or later.
- Prioritize public-facing or business-critical chatbot deployments.
- Review vendor advisory and release notes before rollout.
- Monitor for database connection pool exhaustion and chatbot unavailability.
Validation and detection
- Inventory applications and dependencies for ChatterBot usage.
- Confirm deployed ChatterBot versions are 1.2.11 or later.
- Check service logs for connection pool exhaustion symptoms.
- Verify chatbot services remain available under expected concurrent traffic.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-23842 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/gunthercox/ChatterBot/security/advisories/GHSA-v4w8-49pv-mf72CVE reference · x_refsource_CONFIRM
- https://github.com/gunthercox/ChatterBot/pull/2432CVE reference · x_refsource_MISC
- https://github.com/gunthercox/ChatterBot/commit/de89fe648139f8eeacc998ad4524fab291a378cfCVE reference · x_refsource_MISC
- https://github.com/gunthercox/ChatterBot/releases/tag/1.2.11CVE reference · x_refsource_MISC
- https://github.com/user-attachments/assets/4ee845c4-b847-4854-84ec-4b2fb2f7090fCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.