Threats Tagged 'brew-gptline-cve-2026-79657'
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Threats Tagged 'brew-gptline-cve-2026-79657'
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0 CVE-2026-79657 is a critical remote code execution vulnerability in the Natural Language Toolkit (NLTK) library's allowlisted pickle loaders. The vulnerability arises because the allowlist trusts entire module namespaces rather than specific safe globals, allowing crafted pickle payloads to invoke dangerous callables during deserialization. This affects functions such as nltk.picklesec.allowlisted_pickle_load, nltk.tokenize.punkt.punkt_pickle_load, and nltk.parse.transitionparser.TransitionParser.parse in versions before 3.10.3. The flaw permits attackers to execute arbitrary commands when loading attacker-controlled tokenizer or model artifacts, defeating the intended safety mechanism. A patch is available that tightens the allowlist to exact (module, qualname) pairs and denies dangerous modules, effectively blocking these exploits. Join the discussion | GCVE Database | 09/02/2026, 09:04:32 UTC Added: 08/25/2026, 13:38:06 UTC |
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