SB2026042970 - Path traversal in Mako
Published: April 29, 2026
Security Bulletin ID
SB2026042970
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: N/A)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within backslash URI on Windows in TemplateLookup.get_template(). A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install update from vendor's website.