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Attributed metadata history

Δ / VULNERABILITY RECORD

CVE-2026-67338.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.1CVSS 4.0 · disclosure@vulncheck.com
EXPLOITATION STATUSNo cached KEV assertionThe local KEV cache may be unavailable or incomplete; this does not establish absence of exploitation.
RECORD STATUSAwaiting AnalysisModified Oct 08, 2026

Disclosure summary

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that execute arbitrary JavaScript in the JupyterLab origin when users click the extension name.

Source-reported weakness categories

CWE-84

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST NVD · NVD-CVE-2026-67338

Open original source · Updated Oct 08, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

Repositories cited by this CVE

The saved CVE record references these repositories. A citation can identify affected software, a fix, or related research; it does not verify exploit code. These citations are separate from automated search matches and local association reviews.

GitHub repository matches

Repository matches are links and GitHub-supplied metadata only. They are not verified working proof-of-concept code. Each supported query is bounded to ten pages and at most 1,000 indexed results. This is not a complete index of GitHub or public exploit research. Coverage can also be limited by provider availability, rate limits, rejected metadata, incomplete search results, manual review, and the recorded refresh time.

0 reviewed associations0 unverified candidates

No stored repository matches

Repository discovery has not recorded an update for this CVE yet.

Discovery progress

0 of 3 discovery queries finished. GitHub returned 0 indexed results; 0 malformed or disallowed results were rejected.

No discovery update has been recorded for this CVE.

View all 0 stored repository matches

PUBLISHED 2026-08-01T13:17:04+00:00
MODIFIED 2026-10-08T16:17:32+00:00
INGESTED 2026-10-11T00:50:36+00:00