CVE-2026-19657 — MEDIUM (6.1)

Vulnerability Description

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.

CVSS Score

6.1

MEDIUM

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 Products

Vendor	Product	Versions
Scada-Lts	Scada-Lts	2.7.8.1

Related Weaknesses (CWE)

CWE-79

References

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

FAQ

What is CVE-2026-19657?

CVE-2026-19657 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...

How severe is CVE-2026-19657?

CVE-2026-19657 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-19657?

Check the references section above for vendor advisories and patch information. Affected products include: Scada-Lts Scada-Lts.