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CVE-2026-78681 NLTK before 3.10.3 Entity Expansion DoS via ElementTree

🗓️ 25 Aug 2026 01:30:37Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Entity expansion DoS in NLTK before 3.10.3 via ElementTree XML parsing with DTD entities.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-78681
25 Aug 202602:20
circl
cve
CVE
CVE-2026-78681
25 Aug 202601:30
cve
debiancve
Debian CVE
CVE-2026-78681
25 Aug 202601:30
debiancve
euvd
EUVD
EUVD-2026-65227
8 Sep 202616:42
euvd
github
Github Security Blog
NLTK: Entity-expansion DoS (billion laughs) via remaining raw ElementTree parses
8 Sep 202616:42
github
github
Github Security Blog
Duplicate Advisory: Entity-expansion DoS (billion laughs) via remaining raw ElementTree parses (CWE-776)
25 Aug 202603:32
github
mageia
Mageia
Updated python-nltk packages fix security vulnerabilities
29 Aug 202615:47
mageia
nvd
NVD
CVE-2026-78681
25 Aug 202602:16
nvd
osv
OSV
DEBIAN-CVE-2026-78681
25 Aug 202602:16
osv
osv
OSV
ECHO-2035-7342-4FB1
9 Sep 202600:00
osv
Rows per page
[
  {
    "vendor": "nltk",
    "product": "nltk",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/nltk",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.10.3"
      },
      {
        "version": "3.10.3",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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25 Aug 2026 01:30Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00294
41