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": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "5.1.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "v5.1.0",
"range": [
{
"fixed": "498357b4336d7d534a56b9db3b1c0bf0360efeec"
}
],
"source": "REFERENCES_TAG"
},
{
"range": [
{
"fixed": "cb9b7ad9da0243bd105809f6a4a8a6b9147c71ea"
}
],
"source": "REFERENCES_COMMIT"
}
]
}