Passbolt API before 5, if the server is misconfigured (with an incorrect installation process and disregarding of Health Check results), can send email messages with a domain name taken from an attacker-controlled HTTP Host header.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27913.json",
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-348"
],
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "5"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "5"
}
],
"source": "DESCRIPTION"
}
]
}{
"cpe": "cpe:2.3:a:passbolt:passbolt_api:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.0.0"
}
],
"source": "CPE_RANGE"
}