CVE-2026-65915EPSS p33.0%
CVE-2026-65915CVE-2026-65915
nltk / nltk
Description
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.
Scoring
| CVSS | 6.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.41% probability of exploitation · percentile 33.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-31 |