UNKNOWNPyPI →
nltk versions before 3.10.2 contain a symlink-based arbitrary file read vulnerability in IPIPANCorpusReader methods that
nltk versions before 3.10.2 contain a symlink-based arbitrary file read vulnerability in IPIPANCorpusReader methods that bypass nltk.pathsec validation entirely. Attackers can place a symlink in the corpus root directory and read arbitrary files accessible to the process by calling channels(), domains(), categories(), or fileids() methods with the symlink filename.
Affected packages
- nltk— 3.10.0 → 3.10.2
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://www.vulncheck.com/advisories/nltk-ipipancorpusreader-symlink-arbitrary-file-read
- https://github.com/nltk/nltk/security/advisories/GHSA-3hhw-38pf-pxj6
Structured record: https://osv.dev/vulnerability/PYSEC-2026-3726
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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