CVE-2026-13207

HIGH 7.5

Frangoteam FUXA SCADA/HMI Authentication Bypass by Spoofing

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

FUXA versions 1.3.1 and prior contain an authentication bypass vulnerability via dot-segment path normalization in the REST API. The API router fails to normalize dot-segment sequences before applying authentication middleware, allowing unauthenticated requests to access protected endpoints by prefixing paths with dot-segments such as /api/./users, /api/./roles, and /api/project/../users. These requests bypass authentication checks and return sensitive user and role data without credentials.

CWE	CWE-290
Vendor	frangoteam
Product	fuxa scada/hmi
Published	Jun 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Frangoteam / FUXA SCADA/HMI

0 ≤ 1.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/frangoteam/FUXA/releases cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-181-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-02.json

Credits

Joshua Hayes of Cited Relevance LLC reported this vulnerability to CISA.