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.
{
"cna_assigner": "cisa-cg",
"cwe_ids": [
"CWE-23"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61343.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.1.0"
}
],
"source": [
"AFFECTED_FIELD",
"REFERENCES"
]
}