CVE-2026-5387

The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records.

Score

CVSS 4.0 9.3 Critical

Status

Awaiting Analysis - ics-cert@hq.dhs.gov

Published

2026-04-15

Last modified

2026-10-26

Weaknesses

CWE-862

Affected products

• Pipeline Simulation 2025 (Aveva)

References

• https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf
• https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-04
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-04.json