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CVE Vulnerability Details :
CVE-2026-0847
PUBLISHED
More InfoOfficial Page
Assigner-@huntr_ai
Assigner Org ID-c09c270a-b464-47c1-9133-acb35b22c19a
View Known Exploited Vulnerability (KEV) details
Published At-04 Mar, 2026 | 18:25
Updated At-04 Mar, 2026 | 18:49
Rejected At-
▼CVE Numbering Authority (CNA)
Path Traversal in nltk/nltk

A vulnerability in NLTK versions up to and including 3.9.2 allows arbitrary file read via path traversal in multiple CorpusReader classes, including WordListCorpusReader, TaggedCorpusReader, and BracketParseCorpusReader. These classes fail to properly sanitize or validate file paths, enabling attackers to traverse directories and access sensitive files on the server. This issue is particularly critical in scenarios where user-controlled file inputs are processed, such as in machine learning APIs, chatbots, or NLP pipelines. Exploitation of this vulnerability can lead to unauthorized access to sensitive files, including system files, SSH private keys, and API tokens, and may potentially escalate to remote code execution when combined with other vulnerabilities.

Affected Products
Vendor
nltk
Product
nltk/nltk
Versions
Affected
  • From unspecified through latest (custom)
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
3.08.6HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Version: 3.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

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Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://huntr.com/bounties/fc69914f-36a9-4c18-8503-10013b39f966
N/A
Hyperlink: https://huntr.com/bounties/fc69914f-36a9-4c18-8503-10013b39f966
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

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Exploits

Credits

Timeline
EventDate
Replaced By

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References
HyperlinkResource
Details not found