facefusion through 3.6.1 fails to normalize job identifiers in getjobfile_name, allowing attackers to write files outside the jobs directory. Attackers can supply traversal sequences in the job identifier parameter through the unauthenticated HTTP API to create files at arbitrary locations.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84702.json",
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-22"
]
}