CVE-2026-61343 LibreBooking path traversal
An administrator can exploit a path traversal in the email template editor to write arbitrary files and execute code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61343?
CVE-2026-61343 is a high-severity path traversal vulnerability in LibreBooking, published on 9 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-23
Which versions are affected by CVE-2026-61343?
How do I fix CVE-2026-61343?
No fix has been published for CVE-2026-61343 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-61343 being exploited?
There is no known exploitation of CVE-2026-61343 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-7793-hmg3-gh57.