Siemens Industrial Edge App Publisher Vulnerability

Siemens Industrial Edge App Publisher

Siemens Industrial Edge App Publisher contains a vulnerability chain that could allow an attacker to impersonate the management server and execute arbitrary code on the local machine.

Do this now

Apply the Siemens fix for Industrial Edge App Publisher as soon as possible.

Fix it

Upgrade to Siemens Industrial Edge App Publisher V1.27.9

First seen: 22 Oct 2026
Last update: 22 Oct 2026, 12:00 UTC
Fixed in: V1.27.9
Identifiers: CVE-2026-78556
CVE-2026-78557
CVSS: 8.3
Source: news
On the menu as: Industrial & OT

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## Siemens Industrial Edge App Publisher Vulnerability
Severity: high. Patch status: patched.
Affected: Siemens Industrial Edge App Publisher
Fixed in: V1.27.9
Ids: CVE-2026-78556, CVE-2026-78557

Siemens Industrial Edge App Publisher contains a vulnerability chain that could allow an attacker to impersonate the management server and execute arbitrary code on the local machine.

## Steps
1. Search the repo, its CI and infra config for Siemens Industrial Edge App Publisher. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-78556") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://www.cisa.gov/news-events/ics-advisories/icsa-26-295-02
https://pwned.coffee/i/siemens-industrial-edge-app-publisher-vulnerability

Receipt

Exploitation: No known exploitation
Fix by release line: Product Affected Fixed in Source
Siemens Industrial Edge App Publisher before V1.27.9 V1.27.9 CISA advisory
Score: CVSS 8.3 (high). CVSS 3.1 8.3 (CNA siemens) for CVE-2026-78557
Last checked: 24 Oct 2026, 18:17 UTC

Product	Affected	Fixed in	Source
Siemens Industrial Edge App Publisher	before V1.27.9	V1.27.9	CISA advisory

Sources: KEV – CVE record ✓ Vendor ✓

Sources

cisa.gov: Siemens Industrial Edge App Publisher

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