{"data":{"id":"5bc9c5ed-cbf7-4d36-81d0-bd2ec7f1d956","title":"CVE-2026-0847: A vulnerability in NLTK versions up to and including 3.9.2 allows arbitrary file read via path traversal in multiple…","summary":"CVE-2026-0847 affects NLTK versions up to and including 3.9.2. Several CorpusReader classes, including WordListCorpusReader, TaggedCorpusReader, and BracketParseCorpusReader, fail to sanitize or validate file paths, which lets an attacker traverse directories and read arbitrary files on the server. The flaw is especially serious where user-controlled file inputs are processed, such as in ML APIs, chatbots, or NLP pipelines, and it can expose system files, SSH private keys, and API tokens. The source notes it may escalate to remote code execution when combined with other vulnerabilities.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-0847","publishedAt":"2026-03-04T19:16:10.683Z","cveId":"CVE-2026-0847","cweIds":["CWE-22"],"cvssScore":null,"cvssSeverity":null,"severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":["nltk@<= 3.9.2"],"affectedPackageNames":["nltk"],"affectedPackageRefs":["pypi:nltk"],"affectedVendors":[],"affectedVendorsRaw":["NLTK"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"NLTK arbitrary file read through path traversal in CorpusReader classes","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.01,"epssCheckedAt":"2026-11-04T06:10:15.563Z","kevDateAdded":null,"advisoryAliases":["GHSA-68j8-pq59-fqgm"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:50:37.302Z","patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-126"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null,"fixes":[]}}