VDB

CVE-2026-35397

CVE-2026-35397 PUBLISHED CVSS 7.599999904632568 HIGH

Jupyter Server: Path Traversal via incorrect startswith() root directory check allows access to sibling directories

EPSS 0.04% · 13.0th percentile

Risk Scores

CVSS v4.0
7.599999904632568
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS Score
0.04%
13.0th percentile

Affected Products

VendorProductVersions
jupyter-serverjupyter_server< 2.18.0
PyPIjupyter-server0

Timeline

  • May 5, 2026 CVE Published
  • May 5, 2026 PoC Published
  • May 5, 2026 CVE Updated
  • May 5, 2026 PoC Published
  • May 6, 2026 Security Advisory
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
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