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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.

PUBLISHED Reserved 2026-07-08 | Published 2026-07-09 | Updated 2026-07-09 | Assigner cisa-cg




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-23 Relative Path Traversal

Product status

Default status
unknown

Any version before 5.1.0
affected

5.1.0
unaffected

Credits

Noah Magill

References

github.com/LibreBooking/librebooking/pull/1456 (url) patch

github.com/LibreBooking/librebooking/releases/tag/v5.1.0 (url) release-notes

github.com/...ommit/cb9b7ad9da0243bd105809f6a4a8a6b9147c71ea (url) patch

raw.githubusercontent.com/...IT/white/2026/va-26-190-01.json (url) third-party-advisory

www.cve.org/CVERecord?id=CVE-2026-61343 (url) vdb-entry

cve.org (CVE-2026-61343)

nvd.nist.gov (CVE-2026-61343)

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