Is CVE-2026-44307 in the CISA KEV catalog?

No. CVE-2026-44307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2026-44307?

CVE-2026-44307 has an EPSS score of 0.61% (44th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-44307

UNSCORED

NVD

Description

Mako is a template library written in Python. Prior to 1.3.12, on Windows, a URI using backslash traversal (e.g. \..\..\ secret.txt) bypasses the directory traversal check in Template.__init__ and the posixpath-based normalization in TemplateLookup.get_template(), allowing reads of files outside the configured template directory. This vulnerability is fixed in 1.3.12.

CWE-22Path Traversal

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.61%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.