CVE Catalog

CVE-2026-61343

HighCVSS 7.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.84%

54th percentile - higher than 54% of all known CVEs

Summary

A vulnerability in LibreBooking allows an administrator to write an arbitrary file outside the template directory by manipulating the template name in the email editor, leading to remote code execution. Fixed in version 5.1.0.

Risk Assessment

An attacker with admin privileges can place a malicious file (e.g., PHP script) anywhere on the server, resulting in full application compromise and potentially server takeover.

Recommendation

Immediately upgrade LibreBooking to version 5.1.0 or later. If upgrading is not possible, restrict admin panel access to trusted users only.

Related vulnerabilities

Original NVD description (English source)

LibreBooking's email template editor save action passes the submitted template name directly into the destination file path, allowing a remote attacker with administrator credentials to write an arbitrary file outside the template directory and execute code. Fixed in 5.1.0.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS