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Vulnerability record · CVE-2026-61343 · published 9 July 2026

CVE-2026-61343: Relative path traversal vulnerability

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.

8.6 CVSS 4.0 High EPSS 1.0% · top 38.1% CWE-23 · Relative path traversal Awaiting Analysis
8.6CVSS 4.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
30 Jul 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/LibreBooking/librebooking/commit/cb9b7ad9da0243bd105809f6a4a8a6b9147c71ea
https://github.com/LibreBooking/librebooking/pull/1456
https://github.com/LibreBooking/librebooking/releases/tag/v5.1.0
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-190-01.json
https://www.cve.org/CVERecord?id=CVE-2026-61343

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Source: NIST National Vulnerability Database (record CVE-2026-61343), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.