facefusion through 3.6.1 fails to normalize job identifiers in get_job_file_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.
https://www.vulncheck.com/advisories/facefusion-before-3.7.0-path-traversal-via-job-identifier
https://github.com/geo-chen/oss/blob/main/facefusion.md
https://github.com/facefusion/facefusion/releases/tag/3.7.0
https://github.com/facefusion/facefusion/commit/a2cbfd73b10191e51ed2eb1e83c19121153e0a22
https://github.com/facefusion/facefusion/blob/3.6.1/facefusion/jobs/job_manager.py
Published: 2026-09-02
Updated: 2026-09-02
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
Base Score: 8.7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Severity: High