What is CVE-2026-85115?

CVE-2026-85115 is a medium-severity vulnerability, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.5/10. Published 2026-10-13.

How severe is CVE-2026-85115?

Medium severity. CVSS v3 base score is 5.5 out of 10.

CVE-2026-85115

CVE-2026-85115

A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.

Published 2026-10-13.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

cert-portal.siemens.com/productcert/html/ssa-390352.html

Frequently asked questions

What is CVE-2026-85115?: CVE-2026-85115 is a medium-severity vulnerability, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.5/10. Published 2026-10-13.
How severe is CVE-2026-85115?: Medium severity. CVSS v3 base score is 5.5 out of 10.