Veille CVE
CVE-2026-70626
6.2 MoyenneDescription
NLTK versions before 3.9.4 contain a symlink escape vulnerability in CorpusReader.open() that allows local attackers to read arbitrary files outside the corpus root. The vulnerability exists because path validation is lexical and does not account for symlink resolution, enabling attackers to place symlinks inside the corpus root to access files outside the intended boundary.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 8.6 Élevée | disclosure@vulncheck.com | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 6.2 Moyenne | disclosure@vulncheck.com | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Faiblesses (CWE)
Références
- https://github.com/nltk/nltk/security/advisories/GHSA-r6gq-whwq-mvg9 ExploitVendor Advisory
- https://www.vulncheck.com/advisories/nltk-before-symlink-escape-via-corpusreader Vendor Advisory
- https://github.com/nltk/nltk/security/advisories/GHSA-r6gq-whwq-mvg9 ExploitVendor Advisory