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CVE-2026-58198
5.5 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): None (N)
Activity log
- Created & dismissed (no matching packages found) suggestion
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 (~/ubuntu_data/ubuntu_dialogs) with a check-then-create pattern followed by tar.extractall(path=self.data_path), allowing a local attacker who pre-plants a symlink at the predictable path to cause archive contents to be written through the symlink to an attacker-chosen directory. This issue is fixed in version 1.2.14.
References
-
https://github.com/gunthercox/ChatterBot/security/advisories/GHSA-wvrh-2f4m-924v exploitx_refsource_CONFIRM
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https://github.com/gunthercox/ChatterBot/pull/2445 x_refsource_MISC
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https://github.com/gunthercox/ChatterBot/releases/tag/1.2.14 x_refsource_MISC
Affected products
ChatterBot
- ==< 1.2.14