P4Verified

CVE-2026-78683: nltk before 3.10.0 (exclusive), 0 to before 3.10.0

CVE-2026-78683. CVSS 3.1 base score 9.6 (CRITICAL, Vendor/CNA). EPSS 0.0051 (percentile 0.41796), scored 11-Oct-2026.

Affected technology

nltk · before 3.10.0 (exclusive)
nltk

nltk · 0 to before 3.10.0
nltk

Description’s affected range: before 3.10.0 (affected versions <=3.9.4)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 13-Oct-2026 01:49 UTC

CWE: CWE-502
CCR priority: 38.5 /100 (P4)
CVSS 3.1: 9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.0051 · percentile 0.4182 · 2026-10-12
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-13 01:52:16.607887+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-78683.html