CVE•Published 2026-08-22•Modified 2026-08-31•0 articles on news•4 live references•NVD data
CVE-2026-63310Nltk · Nltk
Vulnerability data via NVD (ingested)
CVSS v3.1
7.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
EPSS percentile
1
Exploit Prediction Scoring System · top 99% of all CVEs
Weaknesses (CWE)
Description
NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation.
Timeline
Published 2026-08-22
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
Shodan · vuln tag
vuln:CVE-2026-63310Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Nltk Nltk"All exposed Nltk Nltk instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Nltk"HTTP body or banner mentions "Nltk" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-63310Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-63310Censys host search filtered to this CVE id.
grep.app
CVE-2026-63310Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-63310GitHub code search for direct mentions.
Google dork
"CVE-2026-63310" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-63310 on GitHub.
We haven't classified any articles referencing CVE-2026-63310 yet. The external references above still apply.