CVE-2026-84702: Path Traversal (CVSS 7.5)

Description

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0038

Probability of exploitation

0.31%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/facefusion/facefusion https://github.com/facefusion/facefusion/blob/3.6.1/facefusion/jobs/job_manager.py https://github.com/facefusion/facefusion/commit/a2cbfd73b10191e51ed2eb1e83c19121153e0a22 https://github.com/facefusion/facefusion/releases/tag/3.7.0 https://github.com/geo-chen/oss/blob/main/facefusion.md https://www.vulncheck.com/advisories/facefusion-before-3.7.0-path-traversal-via-job-identifier

Frequently Asked Questions

What is CVE-2026-84702? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-84702? +

CVE-2026-84702 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0038, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-84702? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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