Path Traversal in Sqlalchemy Mako

CVE-2026-41205

Mako is a template library written in Python. Prior to 1.3.11, TemplateLookup.get_template() is vulnerable to path traversal when a URI starts with // (e.g., //../../../secret.txt). The root cause is an inconsistency between two slash-stri…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (26.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41205?
CVE-2026-41205 is a high-severity vulnerability in Sqlalchemy Mako, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-04-23.
How severe is CVE-2026-41205?
High severity. CVSS v3 base score is 7.5 out of 10.