CVE-2026-103263Tornado before 6.5.9 StaticFileHandler Path Traversal via Symlink
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Tornado before 6.5.9 contains a path traversal vulnerability in StaticFileHandler that follows symbolic links inside the static root without confirming the resolved target stays within it. When a symlink pointing outside the static directory exists inside it, unauthenticated attackers can request it to read files such as configuration files, private keys, and application secrets accessible to the process user.
- CVSS
- 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-59
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tornadoweb tornado tornadoweb:tornado (from the name) | before 6.5.9; 6.5.9 not affected | CNA record |
References
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-c2m8-h5v5-343rvendor-advisory
- https://github.com/tornadoweb/tornado/commit/437ab5f76565403b3403438d2e555d11f8128d32patch
- https://www.vulncheck.com/advisories/tornado-before-6.5.9-staticfilehandler-path-traversal-via-symlinkthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.