CRITICALPyPI →
NLTK vulnerable to Eval Injection via collocations CLI arguments
NLTK vulnerable to Eval Injection via collocations CLI arguments
Affected packages
- nltk— before 3.9.3
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://nvd.nist.gov/vuln/detail/CVE-2025-71408
- https://github.com/nltk/nltk/pull/3465
- https://github.com/nltk/nltk/commit/66f14096d952ec8f04934f515e027534bd4eb0ac
- https://aydinnyunus.github.io/2026/06/07/command-injection-nltk-collocations-eval
- https://github.com/nltk/nltk
- https://github.com/nltk/nltk/releases/tag/3.9.3
- https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3657.yaml
- https://www.vulncheck.com/advisories/nltk-eval-injection-via-collocations-py-command-line-arguments
Structured record: https://osv.dev/vulnerability/GHSA-848c-c2cx-j7qx
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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