Vulnerability · Published Oct 13, 2026 · Assigned by siemens

CVE-2026-78557

High 8.3

In plain English

A high-severity cross-site scripting in Industrial Edge App Publisher from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)0.3%top 75.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in Industrial Edge App Publisher (All versions < V1.27.9). The application fails to properly sanitize or escape data received from the backend before rendering it in the user interface. Because the front end is integrated with Node.js, this vulnerability allows for the execution of arbitrary JavaScript, which can be leveraged to achieve remote code execution (RCE) on the victim's machine

Affected products (as reported)

Vendor	Product	Versions
Siemens	Industrial Edge App Publisher	0 – before V1.27.9

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References

https://cert-portal.siemens.com/productcert/html/ssa-968435.html