Path traversal in Smarty - CVE-2026-62992
Published: July 21, 2026
Vulnerability identifier: #VU138907
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-62992
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Affected software:
Smarty
Smarty
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to path traversal in Security::_checkDir() when processing template {include} and {fetch} paths through a symlink inside a trusted directory. A remote user can cause a template to reference a symlinked path to disclose sensitive information.
Exploitation requires Smarty's Security policy to be enabled and a symlink to exist inside a trusted directory.
How to mitigate CVE-2026-62992
Install security update from vendor's website.