Dashboard / CVE-2026-109956

CVE-2026-109956

HIGH
MEDIUM Priority: 0.03 BB Relevance: 77/100
Published: 2026-10-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: Present
VC: Low
VI: High
VA: Low

Description

NLTK through 3.10.3 contains a path traversal vulnerability in WekaClassifier that allows attackers to bypass nltk.pathsec containment by supplying unvalidated model paths. Attackers controlling the model_filename or model argument can make the weka JVM write files via -d or probe files via -l outside allowed data roots.

Weakness Classification (1)

References & Advisories (2)

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.3 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.32%
Raw Score 0.003180
Percentile 24.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00318
2026-10-28
0.00318

Intelligence Sources

mitre ref →
nvd ref →

External Links