This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-65915 →
DEBIAN-CVE-2026-65915
NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox validation check compares a normalized path against...
Original description
The description as published by the source.
NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox validation check compares a normalized path against itself, making the security check permanently inert. Attackers can pass file:// URLs to nltk.data.load() to read arbitrary files accessible to the process user, including credentials and configuration files.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
nltk
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
nltk
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
nltk
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.0-1"}]}]
References
- advisory security-tracker.debian.org