CVE-2026-23842-Denial-of-Service-via-Database-Connection-Pool-Exhaustion-version-1.2.10

CVE-2026-23842 Denial of Service via Database Connection Pool Exhaustion in ≤ 1.2.10 📌 Overview This repository documents my discovery and responsible disclosure of CVE-2026-23842 , a High Severity Denial-of-Service vulnerability in ChatterBot. GitHub Advisory: GHSA-v4w8-49pv-mf72 CVE ID:...

CVE-2026-58198

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

CVE-2026-58198

ChatterBot (Python) vulnerability CVE-2026-58198: UbuntuCorpusTrainer.extract() uses a predictable home path (~/.ubuntu_data/ubuntu_dialogs) with a check-then-create pattern, then tar.extractall(path=self.data_path). An attacker who pre-places a symlink at that path can cause archived contents to...

CVE-2026-58198

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

CVE-2026-58198 ChatterBot: Symlink-Following Arbitrary Write via UbuntuCorpusTrainer

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

CVE-2026-58198 ChatterBot: Symlink-Following Arbitrary Write via UbuntuCorpusTrainer

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

CVE-2026-58198 ChatterBot: Symlink-Following Arbitrary Write via UbuntuCorpusTrainer

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

EUVD-2026-42685

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

PT-2026-56905

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntu data/ubuntu dialogs with a check-then-create pattern followed by tar.extractallpath=self.data path, allowing ...

CVE-2026-58198: Time-of-check Time-of-use (TOCTOU) Race Condition

ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract uses a predictable home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern followed by tar.extractallpath=self.datapath, allowing a...

ChatterBot Vulnerable to Denial of Service via Database Connection Pool Exhaustion

SummaryChatterBot 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 getresponse method can exhaust the underlying SQLAlchemy connection pool, resulting in persistent service...

PYSEC-2026-1244 ChatterBot Vulnerable to Denial of Service via Database Connection Pool Exhaustion

Summary 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 getresponse method can exhaust the underlying SQLAlchemy connection pool, resulting in persistent service...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview ChatterBot is a ChatterBot is a machine learning, conversational dialog engine Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the extract function. An attacker can cause arbitrary files to be written to a directory of their choice ...

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 getresponse method can exhaust...

ChatterBot Vulnerable to Denial of Service via Database Connection Pool Exhaustion

Summary 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 getresponse method can exhaust the underlying SQLAlchemy connection pool, resulting in persistent service...

EUVD-2026-3299

ChatterBot Vulnerable to Denial of Service via Database Connection Pool Exhaustion...

GHSA-V4W8-49PV-MF72 ChatterBot Vulnerable to Denial of Service via Database Connection Pool Exhaustion

Summary 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 getresponse method can exhaust the underlying SQLAlchemy connection pool, resulting in persistent service...

Missing Release of Resource after Effective Lifetime

Overview ChatterBot is a ChatterBot is a machine learning, conversational dialog engine Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the getresponse function. An attacker can cause persistent service unavailability by making concurre...

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 getresponse method can exhaust...

CVE-2026-23842 ChatterBot has Denial of Service via Database Connection Pool Exhaustion

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 getresponse method can exhaust...