Vulnerability details
CVE-2026-79674
nltk nltk
NLTK 3.10.2 Path Traversal via corpus-reader constructors
CVSS 4.0
8.8High
Official description
NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader constructors that allows attackers to read files outside the intended data root. Attackers can supply arbitrary corpus root paths to LinThesaurusCorpusReader and PanLexLiteCorpusReader constructors to access filesystem content and SQLite databases outside the pathsec sandbox boundary.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
| 8.2High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| nltk | nltk | v < 3.10.3 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-08-25
- Last updated
- 2026-08-25
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.38%
Probability of exploitation in 30 days
32.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-73External Control of File Name or Path