CVE-2026-25895— FUXA Unauthenticated Remote Code Execution via Arbitrary File Write in Upload API
Quick assessment
Affected
frangoteam FUXA
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
FUXA是frangoteam开源的一个基于web的过程可视化软件。 FUXA 1.2.9及之前版本存在访问控制错误漏洞，该漏洞源于存在路径遍历，可能导致未经验证的远程攻击者向服务器文件系统任意位置写入任意文件。
Possible ATT&CK Techniques 1 AI
T1222.002 · Linux and Mac Permissions
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I. Basic Information for CVE-2026-25895
Vulnerability Information
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Vulnerability Title
FUXA Unauthenticated Remote Code Execution via Arbitrary File Write in Upload API
Source: CVE Program / CVE List V5
Vulnerability Description
FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. A path traversal vulnerability in FUXA allows an unauthenticated, remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This affects FUXA through version 1.2.9. This issue has been patched in FUXA version 1.2.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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
FUXA 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FUXA是frangoteam开源的一个基于web的过程可视化软件。 FUXA 1.2.9及之前版本存在访问控制错误漏洞，该漏洞源于存在路径遍历，可能导致未经验证的远程攻击者向服务器文件系统任意位置写入任意文件。
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 |
|---|---|---|---|---|
| frangoteam | FUXA | < 1.2.10 | - |
|
II. Public POCs for CVE-2026-25895
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | FUXA, an open-source Node.js SCADA/HMI web interface, through version 1.2.9 exposes an unauthenticated POST /api/upload endpoint that resolves the attacker-controlled `destination` field from the JSON request body against the application directory with only a leading underscore prefix and no containment check. Because path.resolve() honours "../" segments, an unauthenticated attacker can escape the application directory and write arbitrary files anywhere on the filesystem reachable by the service account - for example into the public web root (a/../../client/dist), into cron directories, or over SSH authorized_keys - leading to remote code execution. Version 1.2.10 rejects any destination containing a traversal segment and additionally requires an authenticated administrator. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-25895.yaml | POC Details |
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Same Patch Batch · frangoteam · 2026-02-09 · 6 CVEs total
| CVE-2026-25939 | FUXA Unauthenticated Remote Arbitrary Scheduler Write | |
| CVE-2026-25938 | FUXA Unauthenticated Remote Code Execution in Node-RED Integration | |
| CVE-2026-25951 | FUXA has a Path Traversal Sanitization Bypass | |
| CVE-2026-25893 | FUXA Unauthenticated Remote Code Execution via Admin JWT Minting | |
| CVE-2026-25894 | FUXA Unauthenticated Remote Code Execution via Hardcoded JWT Secret in Default Configurati |
IV. Related Vulnerabilities
Same product: FUXA
-
CVE-2026-67442
FUXA Business Logic Flaw: Role Deletion Without User Assignm -
CVE-2026-65984
FUXA: JWT lifecycle flaws allow deleted or demoted users to -
CVE-2026-67443
FUXA: Unauthenticated guest JWT bypasses Node-RED secure-mod -
CVE-2026-65985
FUXA: SSRF hardening for `device-webapi-request` -
CVE-2026-67440
FUXA: Unauthenticated Socket.IO read events
Same vendor: frangoteam
-
CVE-2026-67442
FUXA Business Logic Flaw: Role Deletion Without User Assignm -
CVE-2026-65984
FUXA: JWT lifecycle flaws allow deleted or demoted users to -
CVE-2026-67443
FUXA: Unauthenticated guest JWT bypasses Node-RED secure-mod -
CVE-2026-65985
FUXA: SSRF hardening for `device-webapi-request` -
CVE-2026-67440
FUXA: Unauthenticated Socket.IO read events
Same weakness: CWE-22
-
CVE-2026-103896
10Web Booster <= 2.34.5 - Unauthenticated Limited File Write -
CVE-2026-93767
Tainacan <= 1.3.0 - Authenticated (Subscriber+) Path Travers -
CVE-2026-109221
Groundhogg <= 4.9.3 - Authenticated (Sales Representative+) -
CVE-2026-104769
Debloat <= 1.3.0 - Unauthenticated Arbitrary File Read via ' -
CVE-2026-84823
Org.wildfly.core: wildfly: path traversal in take-snapshot d
V. Comments for CVE-2026-25895
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