VULNRABLE / Vulnerability / CVE-2026-12876
CVE-2026-12876
MEDIUM LOW nltk GHSA
Exploit verdict: No active-exploit signal
CVSS Score
5.5
Severity
MEDIUM
EPSS
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Source
GHSA
Summary
NLTK: Uncontrolled resource consumption in RecursiveDescentParser via ambiguous or left-recursive grammars
What this means
CVE-2026-12876 is a medium-severity vulnerability affecting nltk, rated CVSS 5.5. Published September 2, 2026.
View full advisory at GHSA →