The vulnerabilities of the get_absolute_path() and validate_absolute_path() methods in the Tornado asynchronous networking library allow attackers to read arbitrary files.
🗓️ 05 Oct 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | CVE-2026-103263 | 1 Oct 202610:42 | – | cve |
 | CVE-2026-103263 Tornado before 6.5.9 StaticFileHandler Path Traversal via Symlink | 1 Oct 202610:42 | – | cvelist |
 | CVE-2026-103263 | 1 Oct 202610:42 | – | debiancve |
 | EUVD-2026-90657 | 1 Oct 202610:42 | – | euvd |
 | CVE-2026-103263 | 1 Oct 202611:17 | – | nvd |
 | AZL-105375 CVE-2026-103263 affecting package python-tornado 6.3.3-11 | 1 Oct 202611:17 | – | osv |
| BELL-CVE-2026-103263 | 2 Oct 202606:05 | – | osv |
| DEBIAN-CVE-2026-103263 | 1 Oct 202611:17 | – | osv |
| GHSA-C2M8-H5V5-343R Tornado: StaticFileHandler follows symlinks outside static root (path traversal) | 30 Sep 202623:48 | – | osv |
| UBUNTU-CVE-2026-103263 | 2 Oct 202600:00 | – | osv |
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06 Oct 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 37.5
CVSS 27.8
EPSS0.00522