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EUVD-2026-66397

🗓️ 08 Sep 2026 20:28:28Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 24 Views

ReDoS in NLTK before 3.10.3 via tgrep module regex causing CPU saturation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-80206
2 Sep 202615:07
–circl
cve
CVE
CVE-2026-80206
26 Aug 202610:28
–cve
cvelist
Cvelist
CVE-2026-80206 NLTK 3.10.2 Regular Expression Denial of Service via tgrep
26 Aug 202610:28
–cvelist
debiancve
Debian CVE
CVE-2026-80206
26 Aug 202610:28
–debiancve
github
Github Security Blog
Duplicate Advisory: ReDoS in nltk.tgrep via unvalidated user-supplied regular expressions
31 Aug 202621:31
–github
github
Github Security Blog
NLTK: ReDoS in nltk.tgrep via unvalidated user-supplied regular expressions
8 Sep 202620:28
–github
mend
Mend
CVE-2026-80206
26 Aug 202610:28
–mend
nvd
NVD
CVE-2026-80206
26 Aug 202611:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-80206
26 Aug 202611:16
–osv_debian
osv_echo
osv_echo
ECHO-45E2-48EF-7336
10 Sep 202600:00
–osv_echo
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "19f79879-f3a4-3e8a-afed-3af1dde88f15",
        "vendor": {
          "name": "nltk"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "f789b903-adf0-39b0-b09c-e57dc43e1791",
        "product": {
          "name": "nltk",
          "vendor": {
            "name": "nltk"
          }
        },
        "product_version": "0 <3.10.3"
      }
    ]
  }
]

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08 Sep 2026 20:28Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.2
CVSS 3.15.9
EPSS0.0044
SSVC
24