The vulnerability of the TemplateLookup.get_template() function in the mako/lookup.py file of the Sqlalchemy mako template library allows a malicious actor to gain unauthorized access to protected information.
🗓️ 02 Oct 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-102991 | 30 Sep 202619:47 | – | cve |
 | CVE-2026-102991 Mako: Path traversal via drive-letter URI on Windows in TemplateLookup | 30 Sep 202619:47 | – | cvelist |
 | CVE-2026-102991 | 30 Sep 202619:47 | – | debiancve |
 | EUVD-2026-90363 | 30 Sep 202619:47 | – | euvd |
 | CVE-2026-102991 | 30 Sep 202620:17 | – | nvd |
 | UBUNTU-CVE-2026-102991 | 2 Oct 202600:00 | – | osv |
 | PT-2026-103522 | 30 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-102991: Improper Limitation of a Pathname to a Restricted Directory | 30 Sep 202600:00 | – | rapid7 |
 | CVE-2026-102991 | 2 Oct 202600:00 | – | ubuntucve |
 | CVE-2026-102991 Mako: Path traversal via drive-letter URI on Windows in TemplateLookup | 30 Sep 202619:47 | – | vulnrichment |
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02 Oct 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 26.1
CVSS 36.5
EPSS0.00356