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CVE-2026-12372 Server-Side Request Forgery (SSRF) in nltk/nltk

🗓️ 09 Aug 2026 22:45:52Reported by @huntr_aiType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

SSRF in nltk.pathsec.validate_network_url can reach shared address space 100.64.0.0/10, exposing data.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-12372
9 Aug 202622:45
–attackerkb
bdu_fstec
BDU FSTEC
nltk.pathsec SSRF
11 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-12372
10 Aug 202605:17
–circl
cve
CVE
CVE-2026-12372
9 Aug 202622:45
–cve
debiancve
Debian CVE
CVE-2026-12372
9 Aug 202622:45
–debiancve
euvd
EUVD
EUVD-2026-54961
10 Aug 202600:31
–euvd
github
Github Security Blog
NLTK network URL validation permits SSRF to RFC 6598 shared-address-space hosts
10 Aug 202600:31
–github
mend
Mend
CVE-2026-12372
9 Aug 202622:45
–mend
nvd
NVD
CVE-2026-12372
9 Aug 202623:16
–nvd
opensuse
OPENSUSE Linux
Security update for python-nltk (important)
26 Oct 202600:00
–opensuse
Rows per page
[
  {
    "vendor": "nltk",
    "product": "nltk/nltk",
    "versions": [
      {
        "version": "unspecified",
        "status": "affected",
        "versionType": "custom",
        "lessThanOrEqual": "latest"
      }
    ]
  }
]

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09 Aug 2026 22:45Current
CVSS 33.7
EPSS0.0026
SSVC
54