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CVE-2026-65985: FUXA: SSRF hardening for `device-webapi-request`

• Severity: medium (CVSS 6.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-18 · updated 2026-10-22
• Weakness: CWE-918

Description

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. In 1.3.2 and earlier, the device-webapi-request Socket.IO handler in server/runtime/index.js permits an authenticated non-admin runtime user to control property.address, causing the FUXA server to issue an outbound HTTP or HTTPS request and return the response body to the requesting socket. The attacker can use the server as a read SSRF oracle against reachable internal services or cloud metadata endpoints, with impact depending on the FUXA host's deployment network. This issue is fixed in version 1.3.3.

Affected products

• frangoteam FUXA: before 1.3.3

References

• https://github.com/frangoteam/FUXA/commit/4fa47d0a2a856ed34f427f472fb4450f86e7749b
• https://github.com/frangoteam/FUXA/pull/2379
• https://github.com/frangoteam/FUXA/releases/tag/v1.3.3
• https://github.com/frangoteam/FUXA/security/advisories/GHSA-wrg6-49wh-46pw

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