Vulnerability details

CVE-2026-78556

Siemens Industrial Edge App Publisher
CVSS 4.0
7.6High

Official description

A vulnerability has been identified in Industrial Edge App Publisher (All versions < V1.27.9). The affected software does not properly validate the server certificate when initiating a TLS connection. This allows an attacker to intercept and relay communication (Man-in-the-Middle attack) and to spoof a trusted entity by interfering in the communication path between the client and the intended server.

CVSS scores

ScoreVersionSourceVector
7.6High 4.0 CVEProject cvelistV5 (CNA) (siemens) CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.4High 3.1 CVEProject cvelistV5 (CNA) (siemens) CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

VendorProductVersionsSource
Siemens Industrial Edge App Publisher v < V1.27.9 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-13
Last updated
2026-10-16
State
Published
Assigner (CNA)
siemens

Exploit prediction (EPSS)

0.13%
Probability of exploitation in 30 days
2.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-295
    Improper Certificate Validation