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Mako: Path traversal via drive-letter URI on Windows in TemplateLookup

CVE-2026-102991 affects Mako. CVSS base score 6.5 (GitHub Advisory Database). EPSS 0.00356 (percentile 0.27008), scored 2026-10-04. Affected range: <= 1.4.1. Fixed version: 1.4.2.

Published 2026-10-06 00:14:26.960601+00:00

CVE

CVE-2026-102991

Product

Mako

CCR priority

26.1 /100 (P4)

CVSS

6.5 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N · GitHub Advisory Database

EPSS

0.00356 · percentile 0.27008 · 2026-10-04

KEV

no

Affected products

• Mako · <= 1.4.1 · Fixed version: 1.4.2

Provenance

• GitHub Advisory Database · Source record · observed 2026-10-06 00:14:20.210633+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-102991.html