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CVE-2026-84702— facefusion before 3.7.0 Path Traversal via Job Identifier

Quick assessment

Affected
facefusion facefusion
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FaceFusion是FaceFusion组织的一款人脸融合与换脸处理工具。 FaceFusion 3.6.1及之前版本存在路径遍历漏洞，该漏洞源于get_job_file_name函数未对作业标识符进行规范化处理，导致路径遍历，攻击者可通过未经身份验证的HTTP API在作业标识符参数中提供遍历序列，在任意位置创建文件。

CVSS 7.5 · High EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1567.002 · Exfiltration to Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
facefusion facefusion < 3.7.0 affected
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I. Basic Information for CVE-2026-84702

Vulnerability Information
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Vulnerability Title
facefusion before 3.7.0 Path Traversal via Job Identifier
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
FaceFusion 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FaceFusion是FaceFusion组织的一款人脸融合与换脸处理工具。 FaceFusion 3.6.1及之前版本存在路径遍历漏洞，该漏洞源于get_job_file_name函数未对作业标识符进行规范化处理，导致路径遍历，攻击者可通过未经身份验证的HTTP API在作业标识符参数中提供遍历序列，在任意位置创建文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
facefusion facefusion 0 ~ 3.7.0 -

II. Public POCs for CVE-2026-84702

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III. Intelligence Information for CVE-2026-84702

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Vendor Advisories for CVE-2026-84702 (1)

Proof of Concept for CVE-2026-84702 (1)

Security Blog Posts for CVE-2026-84702 (1)

Vendor Pages for CVE-2026-84702 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-84702

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