USN-8302-1: nltk Ubuntu

CVSS: UnknownPublished
Published 25-05-2026Last modified 30-06-2026
Open JSON

Vulnerability summary

USN-8302-1 is a vulnerability in nltk Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 6
CVE-2026-0846CVE-2026-0847CVE-2026-0848CVE-2026-33230CVE-2026-33231CVE-2026-33236

Timeline

  1. 25-05-2026
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

Description

nltk vulnerabilities It was discovered that NLTK incorrectly validated file paths when opening files using the nltk.util module. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-0846) It was discovered that NLTK incorrectly validated file paths in multiple CorpusReader classes. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-0847) It was discovered that NLTK did not properly validate external Java archive files loaded by StanfordSegmenter. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-0848) It was discovered that NLTK's WordNet browser application incorrectly handled user-supplied input. An attacker could possibly use this issue to perform a cross-site scripting attack. (CVE-2026-33230) It was discovered that NLTK's WordNet browser application did not restrict access to the shutdown endpoint. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-33231) It was discovered that NLTK's downloader did not validate path attributes in remote XML index files. An attacker could possibly use this issue to create or overwrite arbitrary files. (CVE-2026-33236)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • nltk< 2.0~b9-0ubuntu4.1~esm6 | < 3.1-1ubuntu0.1+esm4 | < 3.2.5-1ubuntu0.1+esm4 | < 3.4.5-2ubuntu0.1~esm4 | < 3.7-1ubuntu0.1~esm2 | < 3.8.1-1ubuntu0.1~esm2 | < 3.9.2-1ubuntu0.1~esm2

1 vendor · 1 product

References

7 links