CVE-2026-19657

MEDIUM 6.1

ScadaLTS Unauthenticated Reflected XSS

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

ScadaLTS 2.7.8.1 reflects user-supplied input into an HTML response without sanitization. An unauthenticated attacker who lures a victim into visiting a crafted URL can execute arbitrary JavaScript in the context of the victim's browser session.

CWE	CWE-79
Vendor	scada-lts
Product	scadalts
Published	Aug 12, 2026
Last Updated	Aug 12, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

SCADA-LTS / ScadaLTS

2.7.8.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

tenable.com: https://www.tenable.com/security/research/tra-2026-55

Credits

Derrie Sutton, Tenable Research