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CVE-2026-80206

Medium priority
Needs evaluation

(NLTK before 3.10.3 contains a regular expression denial of service (Re ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-80205

Medium priority
Needs evaluation

(NLTK versions before 3.10.0 contain a regular expression denial of ser ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-79676

Medium priority
Needs evaluation

(NLTK versions before 3.10.3 contain a path traversal vulnerability in ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-79675

Medium priority
Needs evaluation

(NLTK before 3.10.3 fails to validate JVM options passed through the pe ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-79674

Medium priority
Needs evaluation

(NLTK versions before 3.10.3 contain a path sandbox bypass vulnerabilit ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-79657

Medium priority
Needs evaluation

(NLTK versions before 3.10.3 contain a remote code execution vulnerabil ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-66393

Medium priority
Needs evaluation

(NLTK versions before 3.9.4 contain an unbounded recursion vulnerabilit ...)

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-72818

Medium priority
Needs evaluation

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORD_RE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix [a-z0-9]+(?:[.\-][a-z0-9]+)* is...

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-71514

Medium priority
Needs evaluation

NLTK 3.9.4 through 3.10.2 contains a path traversal vulnerability in CrubadanCorpusReader. _load_lang_ngrams joins the corpus root with crubadan_code, the column-0 value read from the corpus table.txt mapping file, and opens the...

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-71513

Medium priority
Needs evaluation

NLTK before 3.10.3 contains a remote code execution vulnerability in AllowlistUnpickler that validates only the pickle module string and not the global name, allowing attackers to resolve dotted names by attribute traversal to...

1 affected package

nltk

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nltk Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages