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CVE-2026-81722

🗓️ 27 Aug 2026 14:51:15Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 16 Views

Quadratic-time DoS in nltk PorterStemmer before 3.10.3 via trailing 'y' run in stem().

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-81722 vulnerabilities
4 Sep 202620:26
cgr
circl
Circl
CVE-2026-81722
27 Aug 202618:02
circl
cvelist
Cvelist
CVE-2026-81722 nltk PorterStemmer before 3.10.3 Quadratic-time DoS
27 Aug 202614:51
cvelist
debiancve
Debian CVE
CVE-2026-81722
27 Aug 202614:51
debiancve
euvd
EUVD
EUVD-2026-67072
2 Sep 202614:36
euvd
github
Github Security Blog
Duplicate Advisory: Quadratic-time DoS in PorterStemmer via long runs of 'y'
27 Aug 202618:32
github
github
Github Security Blog
NLTK: Quadratic-time DoS in PorterStemmer via long runs of 'y'
2 Sep 202614:36
github
nvd
NVD
CVE-2026-81722
27 Aug 202617:21
nvd
osv
OSV
CGA-456M-4MX5-JCPH
2 Sep 202620:51
osv
osv
OSV
CGA-4RRW-WX3W-CV46
4 Sep 202609:07
osv
Rows per page
NVD
Vulners
CNA
Node
nltknltkRange<3.10.3
[
  {
    "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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31 Aug 2026 15:44Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
CVSS 48.7
EPSS0.00363
SSVC
16