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CVE-2026-108258

6.9 medium SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

Shiny for Python is a framework for building interactive web applications in Python. From 1.4.0 until 1.6.4, bookmark restore accepts a client-supplied state_id and joins it into the server-side shiny_bookmarks directory without validating that it is a single safe path segment. An unauthenticated request can use parent-directory segments or an absolute path to make the server open input.json and values.json outside the bookmark store, even when bookmark_store is set to disable. In applications configured with bookmark_store set to server and using ui.input_file(), the restore handler can additionally copy and expose an attacker-selected file from an attacker-selected directory. This issue is fixed in version 1.6.4.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → Awaiting AnalysisNVD modified 2026-10-16 17:25
  2. First seenCVSS 6.9NVD modified 2026-10-13 19:18

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3